pinewood derby wheel alignment. Hold the Axle Guide in place with your thumb then gently press the car body straight down on the axle. pinewood derby wheel alignment

 
 Hold the Axle Guide in place with your thumb then gently press the car body straight down on the axlepinewood derby wheel alignment  If the axle slots must be used, you should still drill a pilot hole in the slot to assure that it is the correct size

Set of replacement wheels and axles. Pro Rail Rider Tool™ Pro Axle Bender; Wheels For Pinewood Derby Cars. Pinewood Derby Weight; Pinewood Derby Wheels and Axles; Speed to the Finish;. Sandpaper. Outline the league with a pencil. Forstner bit at the wheel center, and then cut out the rest of the shape with a handsaw. Discard the rest of the toothpick. To use the jig, simply place the axles into the notches and make sure that they’re level with each other. Omit the key if you are using a block without slots. The Wedge Wing Car has drilled axle slots so your car rolls straight while conforming to all rules. Use the key for BSA slots for perfect axle alignment. Best of both worlds in one pinewood derby tool. Accurate alignment is critical for top speed. The PRO Driller for drilling perfectly straight axle and eyelet holes. Last year my son was in his final year of Cub Scouts. The alignment calculations are based on the results of four trials as described in the Alignment Process chapter of Stan Pope's excellent book Learn to Build a Winner - A Textbook for High Performance Pinewood Derby Car Design and Construction. SKU: 5149 Categories: Individual Derby Tools, Pinewood Derby Tools. The MV Basic Car Kit consists of the following: 1 Wood Block: 1-3/4W x 1-1/4H x 7L inches, offset 1/8 inch deep axle slots with a wheelbase of 4-3/8 inches. PRO Super Speed axles are the fastest graphite coated pinewood derby axles on the market, guaranteed. Taper the head slightly to reduce contact area with the wheel. wheels, axles, and alignment must be precisely machined and installed for top performance. Then recheck the front. Pinewood for Dummies. 045 (Approximate width of a dime (0. Does not mar or damage your wheels or body of your car unlike the metal. Make sure your champion car is fast and legal on race day. Tuning the Alignment of Your Pinewood Derby Car Assemble the car with the axle head location dots at 12:00. Truing the inside edge of the wheel by removing molding marks and excess material. Pine-Car Pinewood Derby Alignment Tool Pinewood Derby Tool and Accessory #p456. 86K views 10 years ago. Benefits of the. Pinewood Derby Memory The Race. 5 degree Bent Steering Axle is used on a front wheel to get your car to steer. Instructions; Wheel Edge Polisher - Use this tool to polish the inside edge of pinewood derby wheels. The alignment. 1 Dry lubricants 2. 3: the angle between the wheel axis and the axle axis. 556 seconds average, Standard Deviation at . Add to cart. Easy to fo. Find Out More At: Learn how to ensure accurate wheel spacing and axle nail alignment with the Axle Placement Guide. Step 3. First, a rotational inertia experiment was run using our Pinewood Wizard car. rear wheel alignment is necessary. Then alignment, friction too much to the axle head or to much to the body. Hold the Axle Guide in place with your thumb then gently press the car body straight down on the axle. Pinewood Derby Wheel Tread. This alignment technique had been used for many years by a select few, but became popular around 2008. Our pinewood derby experience leading up to our race was included in your newsletter in 2005 (Volume 4, Issue 11 – February 23, 2005). Place the wheel/axle on the base with the pointed end of the axle up. $19. After 12 years of production the molds are showing signs of. 0 13 ratings. 08:30 - 17:30. All BSA markings are intact. If you can cut down on this waste of the Pinewood Derby car’s potential energy, you will increase your speed. 5 ounces of weight needed. To accomplish this, you may need to remove and reinstall the axles. Turn the template over so that the back is now facing you. PRO BSA Speed Wheels have all the features of our Speed Wheels (above). 5 degree bent axle makes this process simple. PRO Axles. Mold Matched & Machined; Precision Stocks; Pro Inertia Lite; Pro Ultra Lite; Pro RS & RSN; Axles For Pinewood Derby Cars. Pinewood Car Design Idea Theme. Drill 0 degree. 4. All Pinewood Derby Kit Axles are not created equal and until they are all shaped correctly, achieving the desired alignment for maximum speed is almost impossible. The easiest way to reduce friction is to lubricate the surfaces that cause friction. The block can also be used on the flat side for extended wheel base cars. Poor wheel alignment - Roll the car on a flat surface. Just Getting Started? B. Choose from dry powdered PRO Graphite or thin-film oil lubricants that have been winning races for over 20 years. Cut off 1/2" from the small end of the toothpick. 4. Check wheel height - balance weight and makes car roll straight 5. Repeat with the second. 5 Axles: hinge-pin type with a beveled head. No other jobs, no other runs. Links To Tools and Products:Wheel Mandrel for Drillhtt. Related Videos. Build a winning pinewood derby car! Orders over $100 ship free via USPS. I'll call it "Pinewood Derby Car Alignment for Dummies Volume 1" ** If. The PRO Driller is a patented mini-drilling jig for pinewood derby cars. Mold Number The number on the inside of a wheel, indicating the injection mold. If the axle slots must be used, you should still drill a pilot hole in the slot to assure that it is the correct size. Perform accurate axle alignment, wheel clearance, wheel alignment, bottom. Truing the Wheel Edge. Pinewood Derby PRO Graphite with Moly. Shop for pinewood derby supplies from the experts at Maximum Velocity. Wheels do not spin freely – Make sure the wheel-to-body gap is set properly using a wheel alignment tool (or use a dime), and that the wheels/axles are thoroughly lubricated with a recommended lubricant (graphite must be broken in to perform well). Hobbylinc INSTA-CURE Super Thin Cyanoacrylate 1/2oz Hobby CA Super Glue #101. Description This handy tool is used to properly install and align pinewood derby wheels. 5 degree bent axles are typically used to cant the rear wheels, while our 1. Apply one drop to your pinewood derby axle, about an inch away from the axle head. Pinewood Derby Design Overview: Fundamental equation of Pinewood Derby Car Design: Kinetic Energy (speed) = Potential Energy - Lost Energy. Drill 3 degree rear camber. The built in ruler simplifies the process of finding the exact balance point of your car. Pro-Straight; Pro-2 Grooved Axle; Pro-4 Grooved Axle; JAVELIN Pro SS; VIPER Pro SS 2 Groove; TITAN Pro Titanuim 2 Groove; Weights. Build a winning pinewood derby car!. 10 in stock. The block can also be used on the flat side for extended wheel base cars. Get the right gap everytime without damaging your wheels! 1. Pure graphite with ZERO additives is the best graphite dry lube. 5g or . Oftentimes, just the front ‘steering. 7. This can be measured by comparing the distance to the track (or other flat surface) at the front and back of the car. $16. 5 degree angled axle holes, extended wheelbase holes and a raised wheel hole. 2. Alternate colored wheels and “old” or “new” wheels (Diagram #2) will be acceptable. The Derby Dust axle set - with an axle alignment tool, body slotters, axle pullers, and a Pinewood Derby axle guide, you’ll be flying straight and true. SKU: 5149 Categories: Individual Derby Tools, Pinewood Derby Tools. 5 Axles: hinge-pin type with a beveled head. It is the most popular event for many Scouts and is probably the best known Scouting event among non-Scouts. Outlaw Wheels - Super Light Weight (set of 4) Our lightest and fastest wheels, but they are NOT for Cub Scout BSA pinewood derby races! We took all the material off that we can to give you a 1. Winning Pinewood Derby Products. - BSA axles. We include an optional drilled axle hole to raise the left front wheel, which is a proven speed advantage. 7 reviews. 49. Use the key for slots for perfect axle alignment. The car should run smoothly down the track, with the front dominant wheel riding the rail. Axle Adjustments and alignment methods to setup your pinewood derby for rail riding or a straight shot. Maximize speed on your Pinewood Derby Car by addressing these five key areas! top of page. Pine-Car Pine Car Total Hub Shaper Pinewood Derby Tool and Accessory #p4614. Remove the canopy and paint your car. Colibri wrote:On the wheel alignment tool, there is a part for wheel. $2. Right Rear – Apply axle with negative camber apply line in the 1 o’clock position. This product has been tested by an independent lab and was issued a Children's Product Certificate by passing. . Pinewood Derby Alignment (2) Pinewood Derby Tools (2) Pinewood Derby Axle Install (7) Pinewood Derby Ideas (3) Pinewood Derby Axles (10) Pinewood Derby Block (3) Pinewood Derby Body (12)Pinewood Derby Car Gap Gauge Perfect Gap™ Wheel Tool. Front. Some years the questions are about weighting, while other years the questions are about alignment. 1-48 of 86 results for "pinewood derby wheel alignment tool" Results Price and other details may vary based on product size and color. System is a 4-lane light-weight plastic track, with electronic timer, Race Manager software and wireless remote starter. This tool can also be used on Pinewood Derby cars with extended wheel bases. The axle is pre-bent in the perfect spot away from the wheel. The weight holes go through the entire 1 3/4" width of the body. Make sure your derby racer meets specifications before race day. Instructions for pre-cut, unpainted pinewood derby car kits . Simple visual inspection with the naked eye one can see it is off center. 310 wide tread contact area. Derby Talk is a forum for Pinewood Derby, Awana Grand Prix, Kub Kar Rally, Shape N Race Derby, Space Derby, Raingutter Regatta and other similar races where a child and an adult work together to create a race vehicle and a lot of fun and memories Step 5: Align Wheel to Ride Lane Rail. Our Pinewood Derby Tool Pack includes the following tools: Derby Worx Pro Hub Tool – Wheel prep. However, to increase stability and guard against speed-killing wiggles the fastest Pinewood Derby cars will steer (or. ; You want your Derby Race Car made from LEGO® Bricks to be fast!; Commercial brick parts are not made for. a drilled axle hole will make wheel and axle alignment easier. 5 degree bent axles are typically used to cant the rear wheels, while our 1. 4. Posts: 3. WHEELS: The car shall roll on approved BSA Pinewood Derby wheels, only. See more ideas about derby cars, pinewood derby, car design. Read More. Remember, friction is your enemy. Speed Secrets for the Fastest Axles. The Pro-Axle Guide will improve the speed of your pinewood derby car by ensuring accurate mounting of axles: Axle Insertion: Ensures accurate mounting of axles (in axle slots) to improve alignment. Axle & Wheel Alignment Guide. Weight - It is vital to have your Pinewood Derby car weigh the proper amount. Use the screw driver to basically "scrape" the material off the wheel. Next, prepare the nails. BSA Lightly Lathed Speed Wheels are precision tuned and super fast, while leaving all of the BSA markings in the inside and outside of the wheels. Spare set of 4 official BSA wheels and axles. Speed Tips and Tricks. First, drill the body with our Pro Body Tool , straighten your axles with a Pro Axle Press and polish them. Precision weighted center of gravity, to maximize inertia and speed through to the finish gate. This is why graphite has been used to lubricate pinewood derby axles since the very first races in the 1950’s. Pinewood derby cars can jump the track, run off the end, or get bounced around on the finish platform (and even dropped, Yikes!). The axles may be either cambered or level. NOT intended for use with wheels made of soft plastic. Pinewood Derby Times Volume 14, Issue 4. Red Dirt Derby Pinewood Car Precision Machined and Polished Axles (Four Pack) - Engineered with Increased Axle Diameter to Reduce Wheel Wobble thereby Increasing Speed. Secure the Driller as described above. The SILVER PRO Car is completely pre-built and precision tuned for maximum speed: Completely built car, ready to race (just add our PRO Graphite to your axles) Perfect weighting to just under 5. Axle Adjustments and alignment methods to setup your pinewood derby for rail riding or a straight shot. Pro-Body Jig. By simply adjusting the stop collar with a 3/32″ hex wrench, bend angles of 0. So, you don’t really use up the graphite. Our best-selling, patented PRO Driller makes drilling straight, 2. 2 Liquid lubricants 2. Derby Dust’s conclusion which was barely addressed. The #4 mold is the worst wheel out of the current mold. Do you use the little plastic "alignment" tool to gauge (the notched end for "depth") how close to body to push in your axels? or some other way/closer/looser/etc?. As the wheel base is adjusted the optimum or ideal CG position is calculated and displayed as a reference for comparison to the actual measured CG. Rough Cut the Design: Use a coping saw to cut out the rough shape of your Pinewood Derby car. Position the driller so the holes will be the exact distance from the edge of the block (7/8") as the holes on the other side. Add to Wish List Add to Compare. Let the block cool overnight. 5. Pinewood Derby Wheels Tip. 95 compare to $150. If a part has a serious flaw, replace it. One way to align the axles is to use a jig. Steering axle = positive camber. Pinewood Derby Alignment Definitions. This places the edge of. Follow. When using a Racing Oil like Krytox 100, Derby Worx recommends finish waxing your wheel bore for the ultimate performance. These bumps cause friction. For more, visit: video shows you how to install wheels and axles for your pinewood derby body without breaking chipping busting. We put graphite in the bore, then inserted the axle through the bore, then into the car body. The Pro-Axle Press will improve the speed of your pinewood derby car by performing three critical procedures on nail type axles: 1. Pinewood Derby Drill Bit. ONE of these speed secrets w. 5° & 2. $1196. 95 | Patent #: 7,249,582. They are for Brick Derby cars only. 5 degree Bent Steering Axle is used on a. Each wheel is 1. 5 oz wheels/axles = 2. 95 each. 4. The Jet Pre-Cut Pinewood Derby Car Body. New slots can be cut to replace improperly cut factory slots, re-locate the wheel base for increased speed or. 2g wheel with track tested speed increase of 1. Install the wheels and axles on the car, use the gap gauge to properly gap wheels. SPEED TIPS AND TRICKS. your саr as a longer wheel base allows a more potential energy to be added to your car. Place the wheel/axle on the base with the pointed end of the axle up. Start by inspecting the parts in your kit to make sure they are usable. Improved wheel tracking equals greater speed! 2. We took a proven working concept of the Derby Worx Pro Hub Shaver, modified it and then simply use it is designed. Make sure to thoroughly lube the wheel bore, and rub some graphite on the end of the axle supports. . 1 that the diameter of a pinewood derby wheel is about 1. The Pro-Axle Bender provides an accurate, simple, and repeatable way to put a bend in pinewood derby axles. 085) 0. - Includes front wing, rear spoiler and driver. Toe in, Toe out - A wheel check to make car roll straight 6. How to make bent / camber / steer Pinewood Derby Axles. A large source of friction is the rubbing that goes on between the wheel and the Pinewood Derby car body. Pinewood derby wheels are 1. Pinewood derbies are often run by packs of the Cub Scouts program. Our track test results show nearly a half second speed improvement over stock. Pine-Car Pinewood Derby Strip Weight 2 oz Pinewood Derby Car Weight #p352. You CAN NOT use these wheels on a BSA Cub Scout pinewood derby car because they are not Official BSA Wheels and Axles. I encourage you to rise to the challenge and create a car that reaches Maximum Velocity! From Pinewood Derby Times Volume 4, Issue 10. Raise a front wheel by 1/16 inch. Our exclusive Pinewood PRO Tools help you save time while making your car faster. This track DOES NOT include a timer. - 120 grit and 220 grit sandpaper. WIth a long wheelbase, the weight can be moved further to the back while still remaining forward of the rear axle and errors in wheel alignment will affect the long wheelbase car less since it has a larger turning radius for a given angular wheel deflection. Assemble your Blue Marlin car in 5 minutes! Kit includes everything you need to assemble a BSA compatible pinewood derby car. Teams of national-level drivers test and give feedback to provide unprecedented. It should roll straight to. And it would allow for some completely new body designs. 0 in. Slide the Pro Wheel Shaver into the Pro Hub tool until 1 3/16" of the Hub tool is exposed. Simplify alignment adjustments with our Slotted BSA Speed Axle. Focus mainly on tuning or adjusting your axles. Pinewood Derby® Tool and Speed Supply Company is my family’s full time work and passion, With over 50 different Pinewood Derby items, ranging from our patented tools to help you and your child build an awesome car together, to our record setting Nascar design inspired speed wheels and axles that are all proudly made in the U. Pro Rail Rider Tool™ Pro Axle Bender; Wheels For Pinewood Derby Cars. Our 2. Cartoon or Fantasy Derby Cars. Speed Tip #2 . 0 oz, so you can add decals or stickers. Within 6 months, pinewood derby spread around the Los Angeles area. Aѕ a wоrd оf caution, only tаkе this ѕtер if thе rules of your Pinewood Derby permit it. This under car plastic plate will keep your Pinewood Derby car wheels aligned and secure race after race. 75 inches wide by 1. Since the car body is made of wood, you most obviously need a block of Pinewood. Then install the axle into our Pro Axle Press at the . Note that adjusting the rail rider axle will adjust the wheel. PRO Axles. Addressing each area results in faster cars! top of page. 0005" Proprietary tooling manufactured locally; We use one of a kid fixture (clamping) for our production line that we manufactured in house. Rear wheels should be negative camber with slight toe out until wheel rides on head of axles Steer wheel should be positive camber toe in adjusted until desired tuning arch Pinewood Derby Alignment Definitions Note that. Three areas on a Pinewood Derby®. We put graphite in the bore, then inserted the axle through the bore, then into the car body. Bringing your car up to the maximum weight allowed and setting the optimal center of gravity are essential for making the fastest pinewood derby car. 95 Bore Wax. One end is used to insert and the other end is used to remove axles without damaging your wheels (or your fingers!). The tab is designed to precisely space the wheels from the body. Below are some highlights: Designing your car - CO2 Car Design Styles. Be sure to finish wash your wheels in warm water and a mild liquid soap and dry well before assembling your racer. 99. Track sections are made of a durable, light weight plastic for portability and the track is designed for quick and easy assembly. Drill Guide to Help Improve Axle Mounting Accuracy and Wheel Alignment . Find Out More At: Learn how to ensure accurate wheel spacing and axle nail alignment with the Axle Placement Guide from PineCar. 1. As an Amazon Associate I earn off of qualified purchases -an Amazon Associate I earn off of qualified purchases -shaft is approximately 0. If a part has a serious flaw, replace it. The Mini Pinewood Wheel Shaver is designed to only remove the proper amount of material and will bottom out on itself, preventing the blade from cutting to deep. A better solution is our graphite pads. We have designed this wheel to remove the maximum amount of mass from the wheel in the critical areas for maximum speed, but retain ALL of the interior stock markings that are required by many Pack, District and Council Rules. Max Length: 10" - so the car fits behind the start gate. Use a high-quality paint. Lathed Wheels are perfectly tuned around the axis of. (Ah: the unknown of Pinewood Derby). Video of Proper Front Wheel Alignment. Hubs are lathed and the edge of the hub is. - Grand Prix sticker sheet with numbers and racing symbols. 190 inch diameter and 0. Most official Pinewood Derby tracks used in races are between 32' and 45' long. Glue the fenders to the body. 3) Align the Wheels. Since the wheels are the only moving parts, their quality has a significant effect on performance. Derby Talk is a forum for Pinewood Derby, Awana Grand Prix, Kub Kar Rally, Shape N Race Derby, Space Derby, Raingutter Regatta and other similar races where a child and an adult work together to create a race vehicle and a lot of fun and memories. The tab is designed to precisely space the wheels from the body. SKU: 5196 Categories: Individual Derby Tools, Pinewood Derby Tools. 0 13 ratings. Complete seven critical pre. Contact. Joined: Sat Feb 23, 2008 7:33 pm. Let the paint dry. he suggests flatter is better because even though having the wheel touch the axle head is better than touching the car, the combination of constantly being on the head versus. To achieve excellent wheel alignment, an important factor in building a competitive pinewood derby car, using accurately drilled axle holes (instead of slots) is the method of choice. A Pinewood Derby hub tool - improve accuracy and reduce the friction of your wheel hubs. Video of Proper Front Wheel Alignment. – Feature Article – Rail Riding – Pinewood Derby Car Showcase – Memory – My Three Sons – Q&A Rail Riding One of the five keys to performance1 is alignment. Now pi is approximately 3 so every time a wheel rolls without slipping, skidding, or sliding on the track it travels 3 x 1. The results were as follows: High Position – 2. 5° of axle canting. According to the video, it's because it forces the wheels out so they don't rub against the body. Clamp the tool in place. In this Edition: Feature Article – Designing The Car Body For Performance, Pinewood Derby Car Showcase, Pinewood Derby Memory – Great Karma!, Q&A. Our Pinewood PRO Wheel and Axle Alignment tool allows you to build a perfectly aligned car for maximum speeds! Build a winning pinewood derby car! Orders over $100 ship free via USPS. Derby Car Dimensions. Instead of the shaver cutting straight edges, it now cones the. 5 oz Total. The Derby Dust axle set - with an axle alignment tool, body slotters, axle pullers, and a Pinewood Derby axle guide, you’ll be flying straight and true. 435-319-0220 | Newsletter: Subscribe for a free car plan!Polished, graphite-coated, grooved and bent axles. Sandpaper. Speed Tip #2. The Derby Dust axle set - with an axle alignment tool, body slotters, axle pullers, and a Pinewood Derby axle guide, you’ll be flying straight and true. Don't use spray-on graphite or moly. 4 Wheels: hard plastic, full profile, solid sidewall, raised lettering "Maximum Velocity". A proper rail rider will only have the front steering wheel touching the center rail the entire race. Nine speed advantages! We start with BSA wheels from the kit, mold match them, then precision lathe the inside tread, outside tread, the wheel rim, hubs and finally, square the hubs. SKU: 5120 Categories: Individual Derby Tools, Pinewood Derby Tools. Place the Axle Guide in the axle slot. Our Pinewood PRO Wheel and Axle Alignment tool allows you to build a perfectly aligned car for maximum speeds! Build a winning pinewood derby car! Orders over $100 ship free via USPS. 99. Wheel Camber – the adjustment of the amount of wheel tread is touching the track. Cutting cardstock paper into a template is as simple as using a pair of scissors to make one then holding it on the wooden block with the fingers of your non-dominant hand. Axle Polishing Kit. Wheel Alignment. 185" in circumference. Pinewood Derby Axle Tools on Maximum Velocity | A full selection of tools for pinewood derby axle preparation, installation, and alignment. Follow manufacture’s instructions to achieve your desired axle of bend. Consider our complementary tool, the Axle Puller and Remover, to insert and remove your axles easily. 435-319-0220 | Newsletter: Subscribe for a free car plan. It also minimizes the risk of damaging the car body during axle insertion. Slightly over sized because we know there are rarely any blocks perfectly 1. Brand: Revell. 0 provides all you need to know to turn your car design into. The built in ruler simplifies the process of finding the exact balance point of your car. Raised WheelWheel and Axle Alignment; Pack Light - another wheel trick; How to make your car wheels fast. - BSA wheels. In addition, the graphite flakes slide on each other. Chapter 3: Axle Preparation. 5g lighter than stock wheels with our exclusive friction-free, graphite-coating. 04 seconds in time with properly tuned car. A pinewood derby car should go as straight as possible, so a longer wheel base is an advantage. The Pro Body Slotter is the first tool of it’s kind for Pinewood Derby™ racing. Use the slowest wheel (the one that spins for the shortest time) on the raised axle. $3. Car's center of mass as. There are three advantages to help pinewood derby performance. You must add weight to your pinewood derby car to make it fast. There are faster, more precise alignment methods that produce both true. Make sure to register the same side against the Guide when not using key for drilling. You want to make sure the Pinewood Derby car. The Pro Wheel Shaver XT2 is a C. 6 grams. Rear Wheel Check Front wheel adjustment affects the pitch angle of the car, which can affect rear wheel alignment. For more: Welcome to the new video on - how to align and tune a pinewood derby cars wheels and axles. Place the pointed end of the nail into the car’s axle slot. 5 degree angled, or a raised wheel axle hole, flawlessly in seconds. While you may have certain tools needed already on hand, such as needle-nose pliers, many of these. crossbinding is still very important to alignment and reducing wheel friction. Wheel. Step 1: Bake the Block of Wood. z Notice in Fig. Wheel spacing - Checks wheel clearance against body to make sure wheels do not bind or wobble 4. Pro-Axle Guide. The fastest Pinewood Derby Cars have their weight concentrated near the rear axles. Sunday. Then we went to work. Watch the video below, it will show you how to setup the car. Material is removed from inside the wheel to balance the wheel and give you a fast start and higher speed. Center Guide Rail PRO Track with Timer and Light Tree. This method makes for a straight, fast, easy to align car even without a test track. NyOil is a proven race winner and an excellent replacement for the obsolete Krytox lube. Official BSA car block, pre-weighted to just under 5. Wheel Prep Video - Pliers - DescriptionRemove Axles With Ease!If you have built even one pinewood derby car, then you know t. I’m assuming that you know the basics of building one of these little wooden race cars, so here are some tips to take your speed to the next level. Loosen the screw holding the cutting blade. The PRO Axle Inserter Guide is a one piece pinewood derby specialty tool that helps you slide your axles into the axle slot so they are perfectly straight. . MAKE IT FAST. Our BSA Ultra-Lite Pinewood Derby Wheels are lathed in 5 dimensions and lightened.