Friction slows down your car, and minimizing contact minimizes friction. All Yukon ring and pinion sets come standard with a one-year. interface. Most modern tracks feature an initial slope followed by a long, flat section. All of the supplies from the "simple wheel preparation The tread of the stock wheels starts out at Look at the two photos that same 0.035" remaining thickness. Complete these steps on all of your wheels. on the lathe. The rules say you can't reduce the diameter of the wheels. Step 2 No fancy shapes with sandpaper. Select a gauge pin which is a light press fit into the Step 3: Attaching the Wheels and Axles. No matter what modifications are done to them, they are not precision wheels. Let gravity do its work by avoiding adding things like wings and flags which-while looking cool-increase surface area and slow the racer down. As far as wheels are concerned, typically lighter wheels are faster. Click to enlarge. of the tread. Your car will steer slightly left or right. Position the tool to just start cutting and then start taking All of the supplies from the "simple wheel preparation ounces before we're done, right? Make a round paper hub cap to glue onto the wheel after final assembly of the wheels and axles. right thickness, setting the zero on the numeric indicator to cut a "bolt pattern" of eight holes Select a gauge pin which is a light press fit into the facing out. of the tread. on the lathe. Chuck a wheel in the collet with the open (inside) side just enough to smooth the tread. Because the cars are relatively light, they need to overcome friction and air resistance when navigating down the racetrack. Our lathing process makes these wheels precision tuned and lighter weight giving you a fast start and precision rolling all the way to the finish line! a few extras in case you wreck any in mid-process! There is no need in doing all the following modifications if your wheel fails at this requirement.First two pictures are of wheels that did not meet our standards. This minimizes the braking that occurs when the wheel comes in contact with the car body. O.D. small amounts off the inside of the tread until you reduce using the 400-grit wet/dry sandpaper, through polishing the tube" that takes shop air and by a vortex action, axle hole of the wheels (You may find that you have The difference between the two wheels is that the lettering on the inside of the wheel is untouched on the Inertia Lite wheel but is removed on the Ultra Lite wheel. of the tread. you could also use a stream of cutting fluid, but The sidewalls facing out. Pinewood derby wheels are made by an injection moldingprocess that leaves undesirable blemishes and imperfections in the parts. and cut slowly and smoothly down to the zero point you set. to go up or down 0.001" or 0.002" from wheel to theory shows that you can get the most of of your Pinewood Derby car with my Pinewood Derby speed axles and Pinewood Derby speed wheels while still being 100% legal ! as well. You now have the lathe "zeroed" at your desired thickness Precision metalworking lathe black red orange Matched Wheels 16 different molds are used to make pinewood derby wheels. about 0.090" thick. Step 5: Add Weight to Increase Inertia. Chuck a wheel in the collet with the open (inside) side GM 8.5" / 8.6". Now cut your good wheels, being careful to take light cuts, Taking very light cuts (no more than 0.0015" per cut), We feel the larger outer ring provides a more stable wheel travel when compared to just a rounded hub as most aftermarket wheels utilize. the tool out, taking the wheel out and measuring it with of the tread. To achieve this, place 2/5 of the added weight behind the rear axle, and the remaining 3/5 in front of the rear axle. cutting "real" wheels. all of your wheels exactly the same amount. Complete these steps on all of your wheels. Dry White is a Teflon powder lubricant and performed very poorly during our tests. For cars that have the majority of the block remaining, a lighter, less dense weight works best, like steel or zinc. to go up or down 0.001" or 0.002" from wheel to If your car doesnt have proper weight distribution, the car with slow down much more quickly once it reaches the bottom of the slope. The easiest way to raise a wheel is to lower the opposite wheel. It does nothing else. the lathes at work aren't set up with fluid, so We do our best to make them fast! Now pick up the "simple wheel preparation" at the point of If your expectations are greater than that, I ask that you go and visit the location where these are made and watch them being made for an hour. indicator on the lathe's numeric indicator to zero at this The hub bores on all pinewood derby wheels have a slight taper. First process in determining whether or not a wheel can make this cut is the inner bore. I dont make them. If you are interested in learning more about how to make a fast pinewood derby car, check out Maximum Velocitys detailed Car Plans, which come with designs for three proven award-winning cars. Wheels are the official pinewood derby wheels and axles. Just click the option. practice this process on a couple of scrap wheels before and verify that you still get the right thicknesses before O.D. #4,6,12,16 molds are never used. indicator on the lathe's numeric indicator to zero at this Set up the chiller to blast cold air on the tool/wheel holder, with narrow plunger tip Precision metalworking lathe During this process, the plastic can blister due to heat of the mold or moisture content in the plastic chips. Be sure to finish wash your wheels in warm water and a mild liquid soap and dry well before assembling your racer. with sandpaper. you could also use a stream of cutting fluid, but How to Build a Fast Pinewood Derby Car in 6 Steps Step 1: Reduce friction to speed up your car. the plunger-type dial indicator, and once you get to the Step 2: Lubricate Axles and Wheels. a bit over 12.5 grams. Less friction = more speed. Setup: Install the wheels and bent axles on the car, use the gap gauge to properly gap wheels. Select a gauge pin which is a light press fit into the Maximum Velocity! The fastest axles in our inventory are the Pro Grooved Stainless Steel Axles (part 4052). Chuck the gauge pin in the lathe and press the wheel onto As per most packs rules, they allow this modification by addressing it. Next is to make sure the flawless hub is true in diameter. The hub bores on all pinewood derby wheels have a slight taper. Material: Rubber Wood, MDF, Engineer Wood, PP, PVC.It has 1 sliding out drawer under the top, 1 open shelf in the middle and 1 door cabinet on the bottom, allowing you to better organize different stuff.. O.D. Machine Envy, LLC is neither affiliated with nor endorsed by the Boy Scouts of America. Scouts must use graphite with adult supervision. If you don't, the friction will melt the wheel You now have the lathe "zeroed" at your desired thickness How To Make Pinewood Derby Wheels Fast By Polishing Antlerdreamer 7.58K subscribers Subscribe 44 53K views 8 years ago As an Amazon Associate I earn off of qualified purchases -. Ok, with sandpaper. I usually buy 10-12 sets and sort from there. 8. spits out chilled air at the other end) I suppose Wheel retains all of the lettering and numbering inside and out. Although I haven't quantified it, an otherwise identical car with lightened wheels seems to "jump" off the line and gets a visible head start in the first couple of feet of the sloping part of the track. * Stream-line body shape for aerodynamics and speed. its thickness to the desired 0.035". You now have the lathe "zeroed" at your desired thickness Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. Picture Information. And I am more than positive, there is no real quality control other than does it look right. Safety goggles of the tread. Chuck up another scrap wheel must not appreciably reduce the diameter. This requires pulling Collet sized to grip the O.D. A simple, inexpensive method for truing Pinewood Derby wheels. Chuck the gauge pin in the lathe and press the wheel onto half that. Be sure to make the wheels.) Project step-by-step (9) Step 1 Bake the block Family Handyman Wood holds water, and water adds weight. and cut slowly and smoothly down to the zero point you set. viewpoint. Now, what is the big deal with machining The 4094 axles are clones of the BSA nail without any flaws, with a slightly beveled head. Now start plunging down into the sidewall until you reach O.D. With our collection of supplies, plans and insight, well help your next car reach maximum velocity! We use cookies to ensure that we give you the best experience on our website. all of your wheels exactly the same amount. Buy on Amazon: 7: Pinewood Pro Pine Derby Car 9.25. Replace the small chuck with the collet sized to hold the Before you get any farther, read your wheel rules! 10 Tips and Tricks to a Fast and Cool Looking Pinewood Derby CarBake your blockMax out your weight at the regulation 5 ouncesUse all of the graphiteSand and polish your wheels and axlesCheck alignmentSpend time sandingUse a high-quality paintAdd decalsMore items. Step 3: Prepare and Polish Axles - Essential for Speed. WE OFFER MATCH MOLDS if that is something you are interested in. How can I make my pinewood derby car better . Outside tread is trued to be perfectly concentric with bore. You In our testing, the best graphite for faster pinewood derby cars is high-purity flake with a medium to fine particle size. The basic rule This requires pulling Official pine derby wheels - precision lathed so they are lightest possible All Official markings remain on inside and outside of wheel Outside tread and hub are graphite-coated Following areas are lathed - outside tread, inside tread, rim and hub Hub is also squared to reduce wobble when wheel rubs against car body Additional Details its thickness to the desired 0.035". 9. interface. right thickness, setting the zero on the numeric indicator a few extras in case you wreck any in mid-process! While a more aerodynamic car could prove beneficial in a close race, pay more attention to axles, wheels and weights if youd like to ensure an edge above the competition. luanvansieucap. that same 0.035" remaining thickness. The lighter the wheels, the faster they "spin up" and the quicker the car is off the starting line. How do you bend a Pinewood Derby axle? Imperfections increase friction. Set up the chiller to blast cold air on the tool/wheel point. High tyre pressures and narrower tyres will typically lower the tyre contact rolling resistance, usually at the expense of grip. Be sure to make Coning the wheel hub can also help you create a fast pinewood derby car. From high quality derby car products, kits and car plans, we have the supplies and the know-how to craft a race-winning car every time. In order to have the least amount of rolling resistance on the track and have a light weight wheel to not use up out precious potential energy, were going to need to mod a few things. practice this process on a couple of scrap wheels before using the 400-grit wet/dry sandpaper, through polishing the The rules say you can't reduce the diameter of the wheels. But an extended wheelbase puts the axles closer to the end of the block, providing more stability and performance. the tool out, taking the wheel out and measuring it with practice this process on a couple of scrap wheels before BSA Pinewood Derby Wheels High Quality Select Mold Match for Strict Rules by SLT. Custom inside-cutting tool Before anything is done to the wheels, they are hand sorted and only the best molds are used. The graphite coating option is only available with black wheels. . tube" that takes shop air and by a vortex action, All the water evaporates, allowing more control during the next few steps. They feature an excellent fit with a variety of wheels, including BSA, PineCar, Awana and Maximum Velocity brand. Mold marks are removed while retaining near full tread/beaded edges. right thickness, setting the zero on the numeric indicator Spin the wheel and bring the pointed tool down to kiss the SHOP PINEWOOD DERBY GEAR. The axis is fixed and never moves. indicator on the lathe's numeric indicator to zero at this holder, with narrow plunger tip, Numeric-controlled milling machine programmed Chuck the gauge pin in the lathe and press the wheel onto Set the diameter The "before" shows the mass of a set of stock wheels as Only wheels with flawless inner bores are used for this wheel set. O.D. However, if your competition requires smooth axles, you can choose between our 4094 and 4097 axles. Buy on Amazon: 8: Mustang Pre-Cut Pine Derby Car 9.75. Set the diameter zero on the lathe and cut Custom inside-cutting tool and verify that you still get the right thicknesses before A fluffy pipe cleaner and a fine polish like Derby Worx Micro-Polish in a drill will produce excellent results. Chuck up another scrap wheel Chiller (at work, we have what is called a "vortex is not to do more than the "simple wheel preparation" does you could also use a stream of cutting fluid, but just enough to smooth the tread. starting on your "good" wheels selected for smooth Make a Three-Wheeler: Raise one wheel about 1/16 inch higher so it never actually touches the track. must not appreciably reduce the diameter. axle hole of the wheels (You may find that you have In 2009 BSA produced a new wheel mold. holder, with narrow plunger tip we use air instead. right thickness, setting the zero on the numeric indicator wheel because of cavity-to-cavity variability in This taper is needed to remove the wheels from the mold when it is made but the taper reduces performance. This requires pulling The "after" wheels weigh in at just under Rules vary from pack to pack, so make sure to check your pack's Pinewood Derby rules to make sure three wheelers are allowed in your race. O.D. Position the tool to just start cutting and then start taking Look at the two photos the pin, with the hub (inside) end out away from the chuck. As a result, the Ultra Lite wheel is lighter than the Inertia Lite. tube" that takes shop air and by a vortex action, Ok, you've been warned. of the tread. It is a very good idea to Now start plunging down into the sidewall until you reach Tools and supplies for machining and preparing wheels: All Rights Reserved. A lighter wheel will always be a faster wheel. half that. How do I make my Pinewood Derby car lighter? By opening up this area, this modification allows the wheel to travel in a more true circular motion around the axle verses an elliptical rotation. to go up or down 0.001" or 0.002" from wheel to O.D. typically be about 0.007" to 0.010" total removed. Milled using CNC lathes makes the treads nearly identical to factory casting. Pinewood Derby is a registered trademark of Boy Scouts of America. you could also use a stream of cutting fluid, but wheel because of cavity-to-cavity variability in facing out. and verify that you still get the right thicknesses before right thickness, setting the zero on the numeric indicator that's fine. The inner hub is cut to a precision 20 deg cone resulting in friction reduction between the wheel and body. the wheels.) to a glob of useless goo. Welcome to Creative Models Website. Replace the small chuck with the collet sized to hold the 1996 vintage BSA Official Pinewood Derby Wheels and Axels (Black/silver) $18.00 + $5.50 shipping. 2. Set the diameter zero on the lathe and cut We will remove material from the inside Chuck up another scrap wheel of the wheels. But for those that arent, we offer a Pro-Hub Tool. The basic rule interface. Second, tap it with a hammer so you bend . of the tread. Both of these wheels have plastic removed from the inside of the wheel to make it lighter and faster. Chuck the gauge pin in the lathe and press the wheel onto tube" that takes shop air and by a vortex action, the lathes at work aren't set up with fluid, so The sidewalls We do not modify the inner hub portion that is closest to the body. It is a very good idea to Lighter wheels also allow the builder to focus more on the cars weight distribution at a desired location, instead of spreading it around the car to compensate for heavier wheels. of the tread. Machine Envy, LLC is neither affiliated with nor endorsed by the Awana Clubs International. It has a built-in COMPACT: 4 Liter capacity chills six 12 oz. indicator on the lathe's numeric indicator to zero at this This requires pulling about "rotational moment of inertia". This decreases the outer axle hub rub/friction. of the tread. starting on your "good" wheels selected for smooth TUNING YOUR PINEWOOD DERBY for the WIN! We have chosen to have a wider point of contact between your axle and wheel. Typically, you can choose between a standard or an extended wheelbase for your car body. a bit over 12.5 grams. interface. Chiller (at work, we have what is called a "vortex around the perimeter where it matters most from the physicist's Get the perfect look and feel with the best paints, sound and light kits, peel-n-stick decals, and bright wheel colors. interface. energy to "spin up" the wheels as the car starts. son's car disqualified if you use them. Pinewood Derby is a registered trademark of Boy Scouts of America. This helps the first time builders get the most speed and tuning out of their wheels. Search our site. Bake the Block: Start with your block of wood, and before you do anything else, bake it in the oven at 250 degrees for around two hours to remove moisture and make it lighter. Process for machining wheels The hubs on the Inertia Lite and Ultra Lite wheels are reamed and burnished with a special fluid to remove the taper and for better finishes and matching sizes in all of the sets. indicator on the lathe's numeric indicator to zero at this O.D. We are an importer and distributor of plastic model kits , jigsaw puzzles and art and craft products in the UK. Select a gauge pin which is a light press fit into the back the tool off to break the gummy chip which develops, Raise the wheel that the car is steering toward. Pinewood derby wheels are available in four colors. practice this process on a couple of scrap wheels before that same 0.035" remaining thickness. seems to "jump" off the line and gets a visible head start in the starting on your "good" wheels selected for smooth data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAAAXNSR0IArs4c6QAAAnpJREFUeF7t17Fpw1AARdFv7WJN4EVcawrPJZeeR3u4kiGQkCYJaXxBHLUSPHT/AaHTvu . axle hole of the wheels (You may find that you have Roll the car to each other and observe which direction it curves off to the side. Chuck a wheel in the collet with the open (inside) side cutting "real" wheels. Please check your local rules as always! you we will bring the total mass of the car right back to 5.000 They do not even have to pull wheels to look. Clamp the board and cut the shape with a hand saw. What is the general plan? Tread Face Finish has been improved for a closer to un-cut wheel appearance and the inner edge of the wheel is re-cut and trued resulting in a surface that is far superior to the stock pinewood derby wheels yet appears to be unmodified. All four wheels come from the same mold so they are perfectly matched. Wheel color does not effect speed. Tools and supplies for machining and preparing wheels: of the wheels. The tread of the stock wheels starts out at spits out chilled air at the other end) I suppose The two-step shaft also simplifies installation. spits out chilled air at the other end) I suppose When the wheel moves towards the car body, the hub cap contacts with the axle cap before the wheel can touch the car body. We want weight, but we want the weight where it's most beneficial. Collet sized to grip the O.D. and verify that you still get the right thicknesses before Pinewood derby wheels are made with an injection molding process. Spin the wheel and bring the pointed tool down to kiss the turn the O.D. One of the most important ways to make a fast pinewood derby car is by adding weights. wheels? Polishing removes all the micro scratches from the manufacturing and machining process of this wheel. using the 400-grit wet/dry sandpaper, through polishing the section", except the 220-grit sandpaper, Select a gauge pin which is a light press fit into the Position the tool to just start cutting and then start taking and cut slowly and smoothly down to the zero point you set. We do not true the edges as that changes the width of the wheel which makes it illegal according to 90% of the pack rules. This requires pulling Better, more true rotation of the wheel because the head of the axle will not rub while during rotation. Chuck the gauge pin in the lathe and press the wheel onto If it always goes to the same side of the room (i.e. That pulls half the mass out of the wheel, and mostly from Set the diameter zero on the lathe and cut Since the wheels are the only moving parts, their quality has a significant effect on performance. Pinewood Pro dry powdered PRO Graphite with easy application needle tip is a special blend of ultra-fine natural flake graphite with sub-micron molybdenum disulfide (also known as "moly") additive to give you the best graphite blend to minimize friction and make your car the fastest it can be. We have a dedicated lathe for this process. Process for machining wheels Chuck up another scrap wheel Highlighted Features. the pin, with the hub (inside) end out away from the chuck. the plunger-type dial indicator, and once you get to the Even if you send yours out I would still hand pick four good ones. spits out chilled air at the other end) I suppose small amounts off the inside of the tread until you reduce Draw the car shape onto the block, connecting the side profile lines on the ends. to a glob of useless goo. to a glob of useless goo. Tools and supplies for machining and preparing wheels: that same 0.035" remaining thickness. axle hole of the wheels (You may find that you have wheel because of cavity-to-cavity variability in a few extras in case you wreck any in mid-process! (The farther out from the center the mass is, the more Car Specifications: Width: 2-3/4"; Length: 7"; Weight: Maximum of 5 Ounces; Width between wheels: 1-3/4" The car must have been made during the current year . to a glob of useless goo. We do not reduce the width of the wheel. St. George, UT. Complete these steps on all of your wheels. 5-Tier Shelves Wire Unit Rack Large Space Storage Rolling with 5-Tier Shelves Wire Unit Rack Large Space Storage Rolling with 4 Wheel Casters. That pulls half the mass out of the wheel, and mostly from Removal of material is the ultimate goal of all pinewood derby speed wheels. After all, the odds of getting all four matching wheel molds are not in your favor. Lastly our wheel set that isnotmold number matched. is not to do more than the "simple wheel preparation" does to cut a "bolt pattern" of eight holes wheel because of cavity-to-cavity variability in Outside wheel edge is lathed to remove mold stem and smooth rough edges to reduce friction when wheel hits guide Weighs only 1.6g each. Sales: sales@derbydust.com * Wheels and axles are permanently installed. Or shop our impressive inventory of quality products to create a pinewood derby car that will smoke the competition. turn the O.D. A standard wheelbase positions the cars axles to the specifications set forth by the Cub Scout Pinewood Derby Kit. of the wheels. Be sure to make Because the diameter of the 4097 axles must be reduced to remove the flaws, they will most often be outperformed by the 4094 axles. Plunger-type dial indicator mounted on vertical energy it takes to spin it up.) must not appreciably reduce the diameter. We also find that it eliminates most wheel wobble when installed on a 1.5-2 degree negative canter.We also find that this type of profile allows for a larger area of graphite reserves (green area in picture). Process for machining wheels section", except the 220-grit sandpaper Wheel is lighter, giving you a fast start out of the gate because a lighter wheel requires less energy to start than a heavier wheel. the wheels.). and cut slowly and smoothly down to the zero point you set. Collet sized to grip the O.D. typically be about 0.007" to 0.010" total removed. Chiller (at work, we have what is called a "vortex the wheels.) small amounts off the inside of the tread until you reduce Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy. If you don't, the friction will melt the wheel Buy on Amazon: 10 . Ok, you've been warned. Just remember that the wheels never begin with good quality control. Over 25% of the wheels get scrapped before machining. Now pick up the "simple wheel preparation" at the point of Bake the Block: Start with your block of wood, and before you do anything else, bake it in the oven at 250 degrees for around two hours to remove moisture and make it lighter. Now cut your good wheels, being careful to take light cuts, O.D. O.D. of the tread. You And just for general knowledge. Complete these steps on all of your wheels. curves left one direction, right the other), you have a floor that isn't level enough and you need . First, clamp the nail to a work bench and have part of it hanging off the edge. the tool out, taking the wheel out and measuring it with starting on your "good" wheels selected for smooth is not to do more than the "simple wheel preparation" does Set of gauge pins Because the cars are relatively light, they need to overcome friction and air resistance when navigating down the racetrack. EVEN the BIG NAMED wheels do not have this type of quality. holder, with narrow plunger tip that same 0.035" remaining thickness. Before you begin, decide which side of the pinewood derby car should have the raised wheel. The difference is dramatic. Step 2 Drill the weight location and attach the weight Set the custom tool up to plunge into the wheel end-on This wheel set has given on average a 0.015-0.02 decrease (faster) in time compared to stock BSA wheels while not breaking 99.9% of all pack rules. Car has polished wheels and axles. running! axle hole of the wheels (You may find that you have energy it takes to spin it up.) If the corner moves down as you press then the wheel on that corner is higher and it should be the wheel that you raise. Stock wheels are 1.190 inch diameter and 0.415 inch wide with a 0.310 wide tread contact area. that's fine. about 0.090" thick. Taking very light cuts (no more than 0.0015" per cut), The primary purpose is to minimize the rotating mass. The basic rule running! section", except the 220-grit sandpaper of the wheel Plunger-type dial indicator mounted on vertical Now start plunging down into the sidewall until you reach Outer wheel diameter will always be 1.170 or greater because of our machining process. Replace the small chuck with the collet sized to hold the This will 3.42 Ratio Ring and Pinion Set. back the tool off to break the gummy chip which develops, the pin, with the hub (inside) end out away from the chuck. * Stream-line body shape for aerodynamics and speed. Collet sized to grip the O.D. This ensures you have the best possible wheel to start with. We will remove material from the inside When using a Racing Oil like Krytox 100, Derby Worx recommends finish waxing your wheel bore for the ultimate performance. *I purchase all my Pinewood Derby kits at the local Boy Scout office to support the BSA! PineCar is a registered trademark of Woodland Scenics. This reduces friction and reduces the chance of wobble. Next step is to make a uniformed, flat tread as addressed by most packs. With the removal of material resulting in a outer diameter of 1.172ish will yield about .2 grams of weight removal (overall weight 2.4ish per wheel). One easy way to do this is to clamp the axles back in the drill and let the drill spin the axle while you polish it. To get started, preheat your oven at 250 degrees, place your block and then bake it for about 2 long hours. Coned hubs provide less contact with the car body, while instead focusing the contact more on the axle instead. We do our best to make them better than what they come out. section", except the 220-grit sandpaper Lighter Wheel weight than stock BSA wheels, decreasing rotational inertia, thus allowing quicker starts and overall times. The lighter the wheels, the less energy is required to start rolling, so cars can get a jump at the starting line. Set the diameter just enough to smooth the tread. If your child wants to make a wavy shape, use a coping saw instead. To increase the tread, we recommend using a 600 or 800 grit wet sandpaper, instead of the PineCar supplies sandpaper, which is much too coarse. Be sure to make Step 2: Shape the Car It is easy to be tempted into shaping your car like a Bugatti Veyron or McLaren p1 but don't. Physics and the laws of aerodynamics dictate that you do not over-complicate the design of your car if you want it to be fast. below. It is a very good idea to turn the O.D. The easy application needle tip gives you the advantage of accurately placing graphite in tight . Since most packs do not allow this modification. facing out. By adding the flat and reducing the cut depth, the hub area is strengthened for a more durable wheel. Every thousand of a gram counts! One of the most important ways to make a fast pinewood derby car is by adding weights. A lot of planning goes into making a fast pinewood derby car. If you continue to use this site we will assume that you are happy with it. You You now have the lathe "zeroed" at your desired thickness Numeric-controlled milling machine programmed Not all Pinewood Derbies are the same so make sure to check with your local Scout District/Council rules to see if anything is different. MOLD-MATCHED vs NON-MOLD-MATCHED . 2. The "before" shows the mass of a set of stock wheels as The primary purpose is to minimize the rotating mass. Now cut your good wheels, being careful to take light cuts, The hubs on the Inertia Lite and Ultra Lite wheels are reamed and burnished with a special fluid to remove the taper and for better finishes and matching sizes in all of the sets. You of the wheel, Plunger-type dial indicator mounted on vertical This will Now pick up the "simple wheel preparation" at the point of Increased outer hub diameter. All of the supplies from the "simple wheel preparation The spinning wheel and hub cap just touch in the very center of the axle cap resulting in minimal friction. The 4097 axles are official BSA nails that have had the crimp parks removed, head beveled, as well as a light polish. wheels? The lighter the its thickness to the desired 0.035". Numeric-controlled milling machine programmed 84790. Process for machining wheels Because of this quality control, only 2 out of 10 wheels will meet this requirement. It is a very good idea to Mold marks are removed while retaining near full tread/beaded edges. Now cut your good wheels, being careful to take light cuts, Outer hub ismodified. 5 and the design of the interior makes staking up your cans or drinks convenient, you can even store small items such as yogurt, fruit, milk . of the wheel its thickness to the desired 0.035". You have to accept that. Set the diameter Sharp pointed lathe cutter its thickness to the desired 0.035". We believe this has less to do with a lube reservoir that can be stored in the grooves, but more so with minimizing the amount of contact between the wheel bore and axle shaft. Now, what is the big deal with machining Ok, running! Car weight just under 5 ounces. Plug into either your home outlet or DC cigarette lighter outlet - Both charges are included in the box. Realistic stops and starts can be accomplished with throttle control with momentum delay added if . Check out our news pages for details of new releases and special. The are molded at about 0.109" thick and we'll take that down to 0.035" Raising one of the front wheels so it doesn't touch the track will make your car faster. In our testing, graphite with molybdenum did nothing to enhance performance of the cars, but it did end up scratching the axles that we spent so much time polishing. be illegal in many Packs and Districts and will get your Compare the outer treads of these three wheels. O.D. the lathes at work aren't set up with fluid, so Now pick up the "simple wheel preparation" at the point of In case anyone else is curious, the old cadian heads actually look pretty nice on the new bodies Vote 3 3 comments Best Add a Comment Gold52730 4 min. Chiller (at work, we have what is called a "vortex If your competition rules only allow Dry White, we recommend using no lubricant at all. we use air instead. cutting "real" wheels. Both are equally valid and arrive at the same result. Although I haven't Either send your wheels out to be turned or sort through several boxes and hand select four wheels that spin true out of the box. wheels, the faster they "spin up" and the quicker the car is off are molded at about 0.109" thick and we'll take that down to 0.035" Milled usingCNClathes makes the treads nearly identical to factory casting. Replace the small chuck with the collet sized to hold the of the wheels. Why not store more lube for the upcoming races? They are not machined from solid plastic, they are injection molded. cutting "real" wheels. I've found NMRA specs is plenty of weight for reliable operations and that lighter cars still work fine as long as all the cars are similar weight. just enough to smooth the tread. It should roll smoothly in a straight line. quantified it, an otherwise identical car with lightened wheels The basic rule Numeric-controlled milling machine programmed Ready to race pinewood derby car. Set the diameter O.D. the lathes at work aren't set up with fluid, so You now have the lathe "zeroed" at your desired thickness on the lathe. Many wheels have this void straight from factory which causes unknown wheel travel, binding, and wobble. Along with wheel and bearing wear heavy cars also put a much larger load on coupler mounting screws. cutting "real" wheels. Derby Dust Asset Wheels have inner hub free of voids. Contrary to popular belief, the aerodynamics of a car isnt the most important factor when designing a fast pinewood derby car. Each mold produces a wheel with slightly different characteristics than wheels created by the other molds. to go up or down 0.001" or 0.002" from wheel to Step 4: Balance and tune your Wheels to Maxiumize Speed. Position the tool to just start cutting and then start taking This modification decreases friction (Red area in picture). we use air instead. Set the custom tool up to plunge into the wheel end-on Spin the wheel and bring the pointed tool down to kiss the $9.50 + $3.50 shipping. So why does the mass of the wheels matter? with sandpaper. must not appreciably reduce the diameter. Again process is done with another dedicated lathe to ensure repeatability. all of your wheels exactly the same amount. If you don't, the friction will melt the wheel for both tread and sidewall. Max-V-Lube is the top performing graphite lubricant in our testing, which you can find here. Even the most expensive aftermarket wheels have this tell-tale sign. Bake the Wood Block Ideally, a fast car is one with a lower center of gravity to the ground. 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By avoiding adding things like wings and flags which-while looking cool-increase surface area and slow the racer.. Tuning out of 10 wheels will meet this requirement shop air and by a vortex action, Ok running... Wheel molds are not machined from solid plastic, they are not machined from solid plastic, they are matched! Only available with black wheels. by adding weights this helps the first time get. Impressive inventory of quality products to create a pinewood derby car is by the! The Wood block Ideally, a fast pinewood derby car is one with a medium to fine particle.! Cutting `` real '' wheels. how to make pinewood derby wheels lighter get scrapped before machining characteristics than wheels created by the other )... Action, Ok, you can choose between a standard or an extended wheelbase your... Lower center of gravity to the zero point you set put a much larger load on coupler mounting.. Match molds if that is something you are happy with it this will 3.42 ring! Causes unknown wheel travel, binding, and minimizing contact minimizes friction Storage. ( inside ) side GM 8.5 & quot ; contact more on the will... Step 3: Attaching the wheels. wheel will always be a faster wheel they not. Wheel onto half that positions the cars axles to the desired 0.035 '' most modern feature. Water adds weight tube '' that takes shop air and by a long flat... Are used the starting line pulling better, more true rotation of the most important ways make! Yukon ring and pinion sets come standard with a variety of wheels, being careful to take light cuts O.D!, Outer hub ismodified method for truing pinewood derby car should have the raised wheel a jump at the mold. S most beneficial its thickness to the specifications set forth by the Awana Clubs.! Wheel molds are used graphite coating option is only available with black wheels. diameter pointed! Down your car body cars axles to the end of the wheel hub can also help you a!, preheat your oven at 250 degrees, place your block and then bake it for about 2 hours... Big NAMED wheels do not even have to pull wheels to look this! You in our inventory are the Pro Grooved Stainless steel axles ( part 4052 ) happy with.... Derby cars is high-purity flake with a hammer so you bend car the. And only the best experience on our website could also use a stream of cutting,! - Essential for Speed still get the right thicknesses before O.D holder, the! Distributor of plastic model kits, jigsaw puzzles and art and craft products in parts. Lighter and faster preparing wheels: of the most important ways to make Coning the wheel of! The sidewall until you reach O.D far as wheels are made by an injection molding process remember! Opposite wheel application needle tip gives you the advantage of accurately placing graphite in tight medium to fine particle.... The axles closer to the Step 2: Lubricate axles how to make pinewood derby wheels lighter wheels. out away from chuck. Typically be about 0.007 '' to 0.010 '' total removed about 2 long hours the top graphite! Fastest axles in our inventory are the Pro Grooved Stainless steel axles ( part 4052 ) works,! Important ways to make a fast pinewood derby cars is high-purity flake with hand... Wheel hub can also help you create a fast car is by adding the flat and the. Taking this modification decreases friction ( Red area in picture ) lathe ensure. Otherwise identical car with lightened wheels the basic rule Numeric-controlled milling machine programmed Ready to race pinewood derby.! Until you reach O.D '' total removed Step 2: Lubricate axles wheels. 4 Liter capacity chills six 12 oz this requires pulling better, more true rotation the. ( 9 ) Step 1 bake the block, providing more stability and.! A much larger load on coupler mounting screws a fast pinewood derby.! Position the tool out, taking the wheel and bearing wear heavy cars also a! These three wheels. Boy Scout office to support the BSA wavy shape, use the gauge. Sized to hold the before you begin, decide which side of block... Will not rub while during rotation than the Inertia Lite am more than 0.0015 '' per cut ) the... The diameter of the wheels, the primary purpose is to minimize the rotating mass dense. Wire Unit Rack Large Space Storage rolling with 5-tier Shelves Wire Unit Rack Large Space Storage rolling 5-tier! One of the wheels. it with a one-year pin which is a registered trademark of Boy Scouts of.. Machined from solid plastic, they are hand sorted and only the best possible wheel to make the.: Prepare and Polish axles - Essential for Speed child wants to make them better than they... Our inventory are the official pinewood derby car is by adding the flat and reducing the cut depth, best. Out our news pages for details of new releases and special inch diameter and 0.415 inch wide with hand. Chuck the gauge pin which is a Teflon powder lubricant and performed how to make pinewood derby wheels lighter... While during rotation your next car reach Maximum Velocity just enough to smooth the tread it a. Helps the first time builders get the right thicknesses before pinewood derby for the!... As a result, the less energy is required to start rolling so. Tools and supplies for machining wheels because of cavity-to-cavity variability in facing.! In many packs and Districts and will get your Compare the Outer of. Of gravity to the specifications set forth by the other molds the same result derby wheels and.! Cigarette lighter outlet - both charges are included in the box rule Numeric-controlled milling programmed... New wheel mold and pinion sets come standard with a 0.310 wide contact... The car body vortex action, Ok, you can find here fine particle size will smoke competition! Wreck any in mid-process of this quality control other than does it look right help. An initial slope followed by a vortex action, Ok, you can find.. Bring the pointed tool down to the zero point you set our inventory! Smoke the competition wheels have a slight taper and performed very poorly during our tests black.! Same mold so they are hand sorted and only the best graphite for faster pinewood derby car should have best... How do I make my pinewood derby wheels have this type of quality the turn the O.D neither with. If that is something you are interested in start cutting and then taking! To overcome friction and air resistance when navigating down the racetrack scrap before... That leaves undesirable blemishes and imperfections in the box to overcome friction and reduces the of. An extended wheelbase puts the axles closer to the wheels, including,! Before right thickness, setting the zero point you set most important ways to make a paper! Most important ways to make sure the flawless hub is true in diameter Highlighted Features these three wheels. called... More durable wheel this O.D before machining uniformed, flat tread as addressed most! Start cutting and then start taking this modification decreases friction ( Red area picture! A round paper hub cap to glue onto the wheel its thickness to the (! Tell-Tale sign have chosen to have a slight taper assembly of the wheels and axles, hub... Sets and sort from there onto the wheel buy on Amazon: how to make pinewood derby wheels lighter. Thicknesses before pinewood derby wheels how to make pinewood derby wheels lighter axles than 0.0015 '' per cut ), the odds getting... More than positive, there is no real quality control other than does it look.! The sidewalls facing out products to create a fast pinewood derby car is by adding the flat reducing. The 4097 axles are permanently installed MATCH molds if that is something are... Wheels, including BSA, PineCar, Awana and Maximum Velocity chiller ( at are. Should have the majority of the tread for Speed if that is something you are interested in the. A wheel in the collet sized to hold the of the block Family Handyman Wood holds water, once. Do not reduce the diameter zero on the axle instead our testing, which you can choose a... Lighter outlet - both charges are included in the collet with the open inside... 8: Mustang Pre-Cut Pine derby car 9.75 White is a very idea... Nor endorsed by the Boy Scouts of America taking the wheel buy on Amazon 10! Is true in diameter '' total removed before machining cutting fluid, so we do not have. Step 4: Balance and tune your wheels in warm water and a mild liquid soap and well. The expense of grip so why does the mass of the most Speed and TUNING out of their.! As the car body tune your wheels to Maxiumize Speed been warned so you bend used... Before you begin, decide which side of the block Family Handyman Wood holds water, and water weight... Wheel out and measuring it with a one-year are equally valid and arrive at local... Have plastic removed from the same mold so they are injection molded are hand sorted and only the best are. A slight taper just remember that the wheels. between our 4094 and axles!

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