Too far forward and you’ll lose potential energy. Top. Start at a medium-low speed and 400 grit. Seal the weights in the car with wood putty or glue. Cut a shallow groove in the axle shaft to act as a lubricant reservoir (on grooved axles). 056 oz (stock. Wheels – Polished wheels that spin freely and for a long time is your goal. 313" wide. Lift one wheel of Ultra light Pinewood Derby- 9% increase in speed. The cars designs below with links take you to the plan for that car. This track can be used to test your pinewood derby or Awana car before the race or it can be used to hold your own races for parties and other events. Cub Scouts can only enter one car which must have been built. There was 0. Nate used our graphite pads and graphite coated wheels and. Weight Q&A. BSA Precision Lathed Speed Wheels, the Precision Drilled Pinewood Derby Block, the Graphite with Moly Additive. Pinewood Derby Scale Measures CG. You can build the Batmobile, batman car! Illustrated step-by-step with 3D graphic images makes it a snap. To measure camber, with your car on a flat surface, place the PRO Alignment Tool against a wheel and check that the wheel is perfectly flat against the tool. The Pro Axle Guide has two distinct features. h. The built in ruler simplifies the process of finding the exact balance point of your car. Locating the COG. 10. Drill out the holes for your Pinewood Derby Car Weight. Description. However, Boron Nitride might be useful as a pinewood derby lube for races requiring a white lube. Did year after year of the Pinewood Derby. Speed Axles from Maximum Velocity. You also want to make sure the weight is evenly distributed so the car doesn't pull to one side. In that experiment, on a three-wheeled car the left-to-right center of gravity was shifted left, then right, and then evenly balanced on the rear. Whether you are using a standard wheelbase. Our Price: $7. Each cube is 1/4" on a side and weighs precisely 4. Weight placement. Add. Then put more graphite in, do it again. For my last tip short of what are "known" rules to be competitive such as polished axles, polished wheel bores, tapered rims, touch free bodies, 3 wheels (often not allowed), cambered wheels, and maximum weight is to minimize axle friction. Slowly grind away at the top ofthe axle until it is angled at about 10 degrees from vertical. Our unique wing shape design is aerodynamic and reduces drag, ensuring your. Put the axle nail one-half inch into the drill chuck so one-half inch of the axle is showing, including the nail head. Lubricate the wheels. I managed to center it pretty easily, but if the screw end was beveled like a lug nut, it would solve this problem. The car must have 3/8” clearance underneath the body so it does not rub on the track. Bake your block. Easiest method for removing zinc coating is through chemical stripping. Whether you have a question about our shipping, online ordering, how to download a booklet or technical questions about our products, find your answer here. Fewer understand that controlling the weight distribution of the car can make it go much faster. Wheel bearings, washers, and bushings are prohibited. It also serves as the base for the Pro-Outer Hub Shaver (5115) and the Pro-Wheel Shaver XT II (5154). joe wrote: It's better to be messy and fast, than clean and slow. $6. 00. This angle reduces friction as only a tiny portion of the wheel makes contact with the track. Pinewood Derby Car Ideas. S. Remove the canopy and paint your car. It is a fun and exciting way for young boys to learn about engineering and physics, as well as teamwork and sportsmanship. 166oz) Package includes 12 cubes for a total of 2oz of weight. We believe it. NEW FOR 2019 – If the Car is over 4 ½” Tall it will be disqualified since it will not fit under the finish gate. You can make the SpongeBob Square Pants pinewood derby car with our step-by-step car design plan. Start by inspecting the parts in your kit to make sure they are usable. A pinewood derby car should go as straight as possible, so a longer wheel base is an advantage. Shop our selection of Tungsten, lead, Tundra, Flex, and steel weight for your pinewood derby car. for performance, special-blend formula XLR8 amps your racer's speed to the max! Includes needle applicator for precise placement. With the popularity of the pinewood derby,. 4. Aѕ a wоrd оf caution, only tаkе this ѕtер if thе rules of your Pinewood Derby permit it. 3. 3. Description. Pinewood Derby PRO Graphite with Moly. Derby Dust® wheel lathes only cut pinewood derby wheels. Last year was a poor year for pinewood derby performance for my sons. The width of the car shall not exceed 2-1/4 inches. Use a high-quality paint. Instructions 1. Flames Pinewood Derby ® Decal. 8g (. ) Once the car is printed, the nails can be pushed into the holes for a snug friction fit. Make a paste of rubbing alcohol and graphite. We even show you your car in 6 different color schemes so you can pick the coolest look. Diagram of pinewood derby car wheel alignment under conditions where the wheel moves out when the car rolls either forward or backward. 4: If using a drill press, line up the press table with the marks you made on the axle, as shown in Figure 3. A typical trackConstruction: Cars shall be constructed using Official Grand Prix Pinewood Derby parts. 2. Putting the weight on the front, although gets you a slightly quicker start down the curve, does not prove to be the best weight placement for the remaining flat portion of the track. 11 g). 14 Results. Joined: Sat Feb 23, 2008 7:33 pm. Figure 1 – Effect of Vertical Weight Position on Fall Distance. The components include: 5652 – Funny Car Kit with precision-cut axle slots that match BSA. Most people preparing their car know that the pinewood derby max weight of 5 ounces (141. Pinewood Derby Basic Wheels and Axle Prep. Put the axle nail one-half inch into the drill chuck so one-half inch of the axle is showing, including the nail head. Quantity: Add to Cart. Where the short wheel base car would tend to get the death rattle if the cog was pushed back to far. Learn how to easily put wheels on the pinewood derby car with this video tip from Pack 162. 2 Liquid lubricants 2. The wheels must be from the official B. Race Management Services Around the Country. These wheels are: Selected from molds that have demonstrated higher performance; Round within . Description. 5 oz Total. The weight of the car is usually limited to 5 ounces. Now $5. Pine-Car Pinewood Derby Alignment Tool Pinewood Derby Tool and Accessory #p456. Participants design and build their cars using a kit that includes a block of wood, plastic. Wheel OUT-OUT. After cutting, any chips in the bores were carefully removed. Notes: Tungsten is non-toxic and child-safe. Axles can be installed in slots or holes. All you need to do is paint, and insert your axles and wheels! Pinewood Pro Car Designer is an interactive. Wheels made after January 2009 are preferred because of the smooth The maximum weight limit for a pinewood derby car is 5 ounces. com If the force is applied to the wheel, then the wheel can be damaged, especially with the expensive, high-performance wheels in common use today. 3 cm) strip of cotton and press the center of it against the spinning nail. We also have pre-cut Pinewood Derby kits with cars in various styles. Pinewood Derby® Car Weight placement plays an important role in how well a PWD car will perform. Alignment - Make your derby car go straight. All cars must pass the following inspection to qualify for the race: Width shall not exceed 2-3/4 inches. There will be anywhere from 1/2 ounce (on a front wheel) to 2 ounces (on a rear wheel) of weight pressing down on the axles. Additional information. Batmobile derby design plan comes with complete, clear instructions, 3D images of the car showing each cut, weight placement details, speed hints and building tips, as well as a tool list and car cut-out templates to use as a cutting guide - it doesn't get any easier. Axle Shaper Learn how to straighten axle shafts, bevel axle heads and. 1 The Pro-Rail Rider Tool, the Pro-Axle Bender and other tools. The new wheels no longer have a mold mark. PW ULES Revised 4. Use lightweight wheels. Contents: Wooden block 4 Plastic wheels 4 Metal "axles" (nails) Set of fishing weights 1 Ea. 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 year in which derby is being held. 95 – $ 18. The Speed Test number below is the average speed increase you can expect over Stock BSA wheels based on our experimentation. This is true for all wheel base types. Pine Car # pinp4611. Pinewood Derby Results. The Raptor Pinewood Derby Car Kit includes a pre-shaped body with axle slots or holes and weight pockets, tungsten weight, and instructions. Extra-fluffy pipe cleaners for polishing pinewood derby wheel bores, lubricating with graphite, and other uses. $ 6. Pine-Car Pinewood Derby Show Wheel Pinewood Derby Wheel and Axel #p349. All plans include templates and step-by-step instructions, and the plans provide for optimal quantity of weight, optimal weight placement for both the standard (scouting) wheel base and the extended wheel base, and much more. All frictional losses in a pinewood derby car come from the wheels and axles. 5633, 5634 - Drilled axle holes for Awana axles (3/32" bit) - add $1. Pinewood Derby Timer Considerations By Stu Ferguson. No other jobs, no other runs. Pro-Hub Tool. Add to cart. Fenders are sold seperately. Lead Screw Accuracy . The most important factor is that the car is balanced so it can roll smoothly. Post by 68sportcoupe » Fri Dec 30,. We’ll tell you our favorite tricks furthermore tips for edifice the fast Pinewood Oberhaus car and give you the base physics behind why they labour. Additional wheels can be purchased separately. Written by a scout for a science project. 59. Tools Q&A. 221 Page 4 of 3 IV. If a part has a serious flaw, replace it. 3x 3/8″ weight holes from the side. Drill. Assuming a seven inch maximum length and approximately 1-1/4 inch diameter wheels, the best placement for the axles is 11/16 of an inch from the front and back of the car. The axle is pre-bent in the perfect spot away from the wheel. If you suffer from nostalgia, you might remember carving a block of wood into a car, adding some wheels, and racing it against other contestants in a pinewood. The length of the car shall not exceed 7 inches. Now pi is approximately 3 so every time a wheel rolls without slipping, skidding, or sliding on the track it travels 3 x 1. Includes needle applicator for precise placement. Notes: Tungsten is non-toxic and child-safe. No Shipping Cost for this item. This will help reduce the coefficient of friction between the. Items mentioned in this video: 5 Axles Block Diamond. Grab a clean 1⁄2 in (1. ;. With these measurements, dividing the length (3) into 7 gives 2. Pinewood Derby® is a registered. Then, drill 7/16" holes in the rear of your pinewood derby car block. . In these rules, car bodies cannot surpass 2 ¾ inches wide and 7 inches long. Pinewood Race Car Turn-In and Miss. 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. Theres a txt file with details on how to start at Part 2 if you want. We find 5/8 of an inch is an optimum setting. Material is removed from inside the wheel to balance the wheel and give you a fast start and higher speed. Pinewood Derby. We'll even let you see your car in. Spend time sanding. Optimal weight placement for both the standard (scouting) wheel base and the extended wheel base (Click here for more information about Wheel Bases) Also included is a construction timetable, woodworking tips, weigh-in instructions, thoughts on adult involvement in the pinewood derby car building process, and a bibliography. The entire car cannot exceed a maximum weight of five ounces. To build a fast, winning pinewood derby car, you need a great car design, polished axles, bent axles for steering, lathed wheels to reduce inertia, tungsten weights to optimize center of gravity, plus all the speed tips in our Winning Pinewood Derby Secrets book. Be sure and completely clean the axle of polish and dry it, or your eventual graphite lube will turn into sludge! Give your wheels a test-roll across a flat surface, and ensure that they are truly round - if any are not, then they are not suitable for use as a track surface. WISH LIST . 930″ COM in front of the rear axle. Completed Painted car with wheels and axles to a weight of about 4. Max out your weight at the regulation 5 ounces. The best way to establish that is to put the front wheel that is touching on a scale and try to get about 25 grams on the front wheel. The key to maximizing momentum is by adding weight. 95. 5634 - Extended wheel base block with standard slots - add $1. 0 out of 5. For maximum speed the front and rear of the car must be level with each other. Add to cart. Speed Tip #2. in front of the rear x. Alignment - Make your derby car go straight. Buy our pinewood derby car weights online. 7. The horizontal COG of a pinewood derby car can be easily located as follows: (1) set a balance stand (or a ruler on its long edge) on a table and (2) lay the car (with wheels and axles in place) on the device as shown in Figure 1. This is the part that you will use. Polishing Pinewood Derby axles can be done most efficiently with a drill, a vice, 400, 600 and 800 grit sandpaper, and a rubbing compound. From the scout store we had purchased the pinewood derby speed kit that included: sandpaper, extra nails, a white powder (that I thought was Teflon lube), wheel mandrel, etc. 9x 3/8″ weight hole pattern for the bottom. The wheels will make your car much faster than the tungsten weight. 1 Thus, for every 1 inch dimension of the toy car, the pinewood derby car will be 2. My buddy's helping his kid with a pinewood derby car and weight placement came into question. 188 seconds between the fastest and slowest car, about 23 inches. Therefore, the pinewood derby car will be 7 inches long (2. 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. Pine-Car Pine Car Axle Slot Jig Pinewood Derby Tool and Accessory #p4610. When constructing a Pinewood Derby car, weight placement is a crucial aspect to consider. 49. Competition doesn't stand a chance against the bat car pinewood derby kit! Includes designer body details, custom dry transfer batman decals, black accent material, incremental weights, templates and step-by-step illustrated instructions. The blocks vary in density from 3 to 6 ounces. These Ultra light Pinewood Derby bodies are super light and allow us to maximize weight placement where we want it. Use sandpaper or a file to smooth the wood putty. If we look at the extended wheel base and how it helps the car track better. If the wheels are on straight, the car should roll -10 feet in a fairly straight line. The Spider pinewood derby car plan with step-by-step instructions includes weight placement and printable template patterns. m. For maximum speed the front and rear of the car must be level with each other. 5622 - Extended wheel base block with standard slots - add $1. 5 Degree Bent Steering Axle (1 axle) PRO Graphite Coated 1. With these measurements, dividing the length (3) into 7 gives 2. axles for a 2nd place finish. Add more more graphite. 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. The acceleration due to gravity is a constant. – Ensures accurate weight placement by allowing you to drill precise weight holes into the side, back, or bottom of a pinewood derby block. For more: Welcome to the new video on - how to align and tune a pinewood derby cars wheels and axles. 54. 7. it is to help provide first time racers with a the important. Pinewood Pro has over 30 car design plans with templates and design patterns, 6 painting schemes, step-by-step 3D drawings, 360 degree animation, plus weight placement and speed hints. The blocks vary in density from 3 to 6 ounces. While you may have certain tools needed already on hand, such as needle-nose pliers, many of these. Only official Cub Scout Grand Prix Pinewood Derby wheels and axles are permitted. 95 each. ( Car Not Included) Add to cart. Pinewood Derby Car Plans provides you with three winning car designs: the Wedge, the Low-Rider II, and the Speeder. It must clear the ground by at least 3/8 inch. “Open” Races 1. Glue the canopy to the top of the car with super glue or epoxy. Derby Talk. The further back you can move the weight distribution, the more kinetic energy your car stores up, which in turn t. 166oz) Package includes 12 cubes for a total of 2oz of weight. Hubs are lathed and the edge of the hub is. A chunky car design has more wood so it needs less weight. Don't use spray-on graphite or moly. This is enough polish to do as many as 60 screws [that’s 15 Cars]**. A derby race is 3 seconds in length with a top speed of 20 mph at a car’s top speed. Where the extended wheel base would not transition as well on the incline,however should track better in the flat. Add decals. 54” or 13. Introduction to the Batmobile KitThe car goes faster as more weight is placed in the back. in front of the rear axle. Mаkе thе wheel base longer. No modifications have been made to these wheels or axles. DIRECT HOME SUPPLIES. The car's wheels sit on the outsides of the two rails sticking up. The Funny Car Kit Bundle includes all of the key items you need to build a competitive, BSA-compliant, pinewood derby car. If you have the weight pocket in back filled, and you have a 3/4" CoM, you're looking good. Inside tread is lathed and trued. A large source of friction is the rubbing that goes on between the wheel and the Pinewood Derby car body. This insets the wheels a small amount, protecting the front wheels from abrupt. I am a big fan of 1× 3⁄8″ hole drilled behind the rear axle, with 2× 3⁄8″ holes in front of the rear axle as close as you can get them. Should not give you any issues of wheel popping up. These are 1/4″ self adhesive pads that are placed over the axle hole on the body. Grooves have two problems. Extended Wheel Spacing Advantage The axles on our extended blocks are placed as close to the edge of the block as possible without exceeding the seven inch maximum car length rule. Re: Will WD-40 alone improve the speed of the car? by doct1010 » Mon Feb 25, 2008 7:23 pm. To be the fastest, a car must be built to exacting standards and must optimize the physics of the race. Insert 2. Place the block, wheels and axles on a scale. 7oz. Wheel Placement: The car body must be at least 1 3/4 inches wide at the axles. The advantage here will be wheel weight and weight placement, even aerodynamic advantage if you have the time. Derby Dust® utilizes every tip and trick with each part we manufacture. You may lightly sand the wheels to removeSecond: Polishing the wheels, screws, and the end of the dowel will definitely make a Pinewood Derby Car go much FASTER!!! The Kit includes: - Metal Polish: A ¼ oz. Pinewood Derby Rules Q&A. The ideal placement for the center of gravity is 7/8-in. 0 and 7. 33721). •Wheel bearings, washers, and bushings are prohibited. The picture below is a cross-section of the track. including the wheels and axles, to the block will help reach the desired weight of 5 oz. Winning Blastcar Secrets covers everything from how to build a Blastcar track, to designing and building a winning CO 2 Blastcar. The top six cars from Pack 406 will compete in the Matinecock District Pinewood Derby! Please be sure Cubmaster Scott has your cars before impound on 3/9! 2023 Matinecock District Pinewood Derby. Axle Placement Guide. Physics and the Pinewood Derby Pinewood Physics, LLC Pinewood derby wheels are 1. This kit is great to have around for whenever you are starting a new derby car project. Wheels: Use only Stock Official Scout Grand Prix wheels. Again, start with the axle slot in the axle head vertical. 3. The front axle groove is positioned 1-11/16” from the front. sets of Red Stock Wheels and Axles Same dimensions as the official BSA wheels and axles but these high quality components don't require as much preparation as the BSA. The first is that the groove is often not at a perfect right angle with the block and the second is that it is very difficult to insert the axle in the groove so that the axle is level. There is less friction with 3 wheels rolling than 4. Turn the bent axles until the rear wheels migrate toward the axle head when you roll the car down your simulated track. Pinewood Derby kit or official Pinewood Derby wheel replacement kit. 0 out of 5. 00. PRO Graphite is your #1 speed secret! Track tests proved 17. All stale lubricant is permitted. 8 times denser than lead (a heavy metal) and 3 times denser than zinc. Firebird Trans Am - Pinewood Derby 3D Car Design Plan. In my first few pinewood derby race, I did not know about the COG of the car. Boom. Pinewood Derby Car Plans 6 provides you with three winning car designs: the Coupe, the Muscle Car, and the Accelerator. Wheels and Axles: 1. A chunky car design has more wood so it needs less weight. Typical pinewood derby stick on or screw on base plate. Shark. The car must have 3/8” clearance underneath the body so it does not rub on the track. 5g lighter than stock wheels with our exclusive friction-free, graphite-coating. An ideal placement for who center away gravity is 7/8-in. The Wing Pinewood Derby Kit includes a pre-shaped car body with axle slots or holes, weight pockets, tungsten weight, and instructions. Continue until. Spend time sanding. I have really never gone less than 3/8ths of a inche forward of the rear axle whole/ slot. A typical wheels weighs 2. 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. $14. 12-spoke or 14- spoke wheels marked "OFFICIAL BSA MADE IN USA" are permitted), including official factory-colored plastic wheels. The end bored holes will also accomodate a raised front wheel for a 3 wheel alignment and ease in a rail rider setup. That being said, you need the center of gravity to be in front of the rear axle to stabilize the car. 23Oz- $11. So could the extended wheel base car. Tungsten Disulfide WS2 Premium Lube. 3 oz; Tungsten Putty (1 oz) Ruler (attached to a base so that it is standing on its edge) Example Pinewood Derby car construction rules from the "Cub Scout Grand Prix Pinewood Derby Guidebook" (BSA No. Tips and Tricks used by the Pinewood Derby® Professionals. 20. The raised pinewood derby wheel will be 3. The slot on the head makes it easy to turn the axle with a screwdriver. After all, a pinewood derby race car hardly moves at racetrack speeds. Use the slowest wheel (the one that spins for the shortest time) on the raised axle. Diagram of pinewood derby car wheel alignment under conditions where the wheel moves out when the car rolls either forward or backward. So, if your organization does not mandate a particular kit type, consider our MV Basic Car Kits or MV Wedge Car Kits. 7 and 5 oz when finished depending on the paint and accessories added. Raise a front wheel by 1/16 inch. Car Plans – Download. The rear wheels should be set at a 3-degree angle (camber). Joined: Sun Feb 13, 2005 9:00 am. Weight - It is vital to have your Pinewood Derby car weigh the proper amount. Brand: Derby Dust. 2. Precision lathed treads inside and outside, wheel edge and hubs are trued and squared, lighter weight, mold matched, then treads and hubs are perma-coated with graphite using our patented process. Add to cart. We find 5/8 of an inch is an optimum setting. Not from Pinecar or Revel kits. Don't do just 1 inch, do 4 inches over 4 feet. Forget the pencil or ruler; use our Center Of Gravity (COG) Stand to accurately measure and adjust the balance point of your pinewood derby car. Center Guide RAIL CLEARANCE (distance between left and right wheels. The components include: Wedge Body, BSA Speed Wheels, Speed Axles, Steel Weight, and Max-V-Lube Graphite. by sporty » Sat Jan 28, 2012 5:08 pm. Next, insert the tungsten cylinder weights into the holes. 7 and 5 oz when finished depending on the paint and accessories added. 4. Axle Placement Guide Learn to ensure accurate wheel spacing and axle nail alignment using the Axle Placement Guide. Pinewood Derby Advanced Car Plans provides you with three winning car designs: the Arrow, the Interceptor, and the Rocket. A. Good for spares or replacement parts or for experimenting with axle and wheel modifications. 5g lighter than stock wheels with our exclusive friction-free, graphite-coating. The wheel spin test will show you if a wheel bore is true to the wheel tread. Elimination of weak wheel – Oftentimes, one of the wheels will not spin as nicely as the others. The results really bounced up and down. To get the exact weight you need, use. 33 times 11/16). By placing the weak wheel in the raised position, the weak performance. 2. To far endorse and your car will pop a wheelie, spoil any chance for a succeed. Pro-Ultralite Speed Wheels from DerbyWorx – These official BSA wheels weigh 1. Retail $16. 435-319-0220 | Newsletter: Subscribe for a free car plan!Official Pinewood Derby Replacement Wheels and Axles. SKU: 5149 Categories: Individual Derby Tools, Pinewood Derby Tools.