Wing Kit. The most important factor is that the car is balanced so it can roll smoothly. 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. Our 2. All pinewood derby tungsten weights are an alloy with over 95% tungsten. The Wedge Pinewood Derby Kit includes. Graphite pads give your Pinewood Derby Car a speed boost. Axles, wheels, and body shall be from the materials provided in the kit. The car must have been made during the current year (the year in which the derby is held). Fewer understand that controlling the weight distribution of the car can make it go much faster. A thin, small car design has less wood so it needs more weight. 930″ COM in front of the rear axle. 2. The front axle groove is positioned 1-11/16” from the front. All frictional losses in a pinewood derby car come from the wheels and axles. 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. Next, prepare the nails. Cut off a vertical slice of the "extra" wood and reattach it to the front of the car. Watch a video tutorial by DerbyDust with tips and tools for a smooth and easy process. With these measurements, dividing the length (3) into 7 gives 2. 5g lighter than stock wheels with our exclusive friction-free, graphite-coating. 25oz. 288 seconds. 7 grams). Aligning the 4 wheels on a pinewood car is a challenge, aligning the 10. 5 oz of weight to your car, depending on your car design and the weight of your pine wood block. That's just me though. Overall LENGTH shall not exceed 7 inches. If you want to know how to go fast, read here. Pinewood Axle File. Revell Ford F-150 SVT Raptor Racer Kit Pinewood Derby Vehicle Kit. We were both looking. The Pro Axle Guide has two distinct features. I added graphite to reduce friction. 33 times 3/4), and 1. I built a car in 45 minutes using these steps and crushed all the competition. True the axle head so that it is at a 90 degree angle to the axle shaft. Post by Stan Pope » Thu Jan 22,. The car's wheels sit on the outsides of the two rails sticking up. Building your Dragster or Blastcar. 4. How much your pinewood derby car weighs is a major factor to consider to ensure your car remains eligible to race. One common mistake4. 221 Page 4 of 3 IV. 02 seconds. Features :. You want your car to go down the track as straight as it can without going side to side. A. Then adding 1⁄4. BSA Pinewood Derby Wheels lathed to perfection. Instructions 1. Then adding 1⁄4. Once you have it tuned, try it a few more times to make sure it's consistent. We conduct a very simple experiment -- using soup cans -- to show how the placement of mass in the wheels can. Published Date: 08/12/2022. Center of gravity placement should be between 1⁄2″ – 1″ in front of the rear axle. Most Pinewood Derby cars weigh between 1. Derby Dust’s conclusion which was barely addressed. Use sandpaper or a file to smooth the wood putty. This insets the wheels a small amount, protecting the front wheels from abrupt. I chose to use a bearing which has 3/16 inch outside diameter (OD), and a 3/32 inch inside diameter (ID) (see Figure 2). Use bent polished axles. 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. SpongeBob. Add more more graphite. Wheel. Adding Pinewood Derby® car weights is an important step when milliseconds count. Wheel Bearings on Pinewood Derby Car. Because there are MANY more factors involved making a pinewood derby car, there are many more articles to read. 49. Best Place to put place weight for Pine wood Car. Derby Dust® utilizes every tip and trick with each part we manufacture. (3D-printed wheels might work with a bit of sanding. 00. Pinewood Car Derby Weights Tungsten 3. Use Graphite - Graphite is a great lubricant and easily accessible to all. Use lightweight wheels. This angle reduces friction as only a tiny portion of the wheel makes contact with the track. 5633, 5634 - Drilled axle holes for Awana axles (3/32" bit) - add $1. It was a lot of learning on our part. Only official Cub Scout Grand Prix Pinewood Derby wheels and axles are permitted. Our unique wing shape design is aerodynamic and reduces drag, ensuring your. Once again, a perfectly straight axle slot, drilled with the PRO Body Tool will eliminate camber. The car must have 1 ¾” clearance. ) Once the car is printed, the nails can be pushed into the holes for a snug friction fit. Lubricate the wheel and axle - Slide the axle into the wheel. It is a popular racing event that involves building and racing wooden cars. 7. SKU: 5120 Categories: Individual Derby Tools,. Introducing our custom Wing Shape Design Pinewood Derby Car Kit, specially tailored to meet the rules and regulations of your local pack. Cut the flex weight cylinders with a scissors so the total weight is 4. 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. Experiment 1 – Rotational Inertia. (4 to 1) ratio. Add to cart. Additional information. Online Only. The width of the car shall not exceed 2-1/4 inches. 5. 2. Anyone who has or had a son in the Cub Scouts knows about the Pinewood Derby, where boys make a car out of a 7 inch long block of wood, 4 nails for axles, and 4 plastic wheels and race them down an inclined track. Details. Put the axle nail one-half inch into the drill chuck so one-half inch of the axle is showing, including the nail head. Wheel OUT-OUT. 1. Within two years pinewood derby was launched nationally and soon became the premier event for the Cub Scouts. 5. z Notice in Fig. We show you how to build this car step-by-step with 3D modeled images, cut out templates for every detail, including contour outline templates. in front of the rear axle. 0 in = 3. For more: Welcome to the new video on - how to align and tune a pinewood derby cars wheels and axles. rear wheels is the theoretical correct technique. A huge assortment of best weights for pinewood derby cars at affordable prices. Oftentimes, just the front ‘steering wheel’ must be adjusted. 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. Winning CO2 Dragster & Blastcar Secrets - INSTANT. Complete pinewood derby design plan with full instructions, 3D AutoCAD graphics of the car showing each cut, weight placement, hints, building tips, tool list and car cut-out templates to use as a cutting guide. Don't do just 1 inch, do 4 inches over 4 feet. 95. Should I sand my pinewood derby wheels? In the past, pinewood derby wheels had a mold mark on the wheel tread that had to be removed by sanding. 75) inches. $ 13. Https://derby tools used to test quality of wheels. Tungsten Cylinders. Precise weight placement in a pinewood derby car results in maximum speed. •Wheel bearings, washers, and bushings are prohibited. Pine-Car XL-R8 Ultra Graphite Pinewood Derby Tool and Accessory #p4037. Our Price: $7. A little background: a Pinewood Derby car is a small wooden car that races down an inclined track, powered only by gravity. Remove the canopy and paint your car. In my first few pinewood derby race, I did not know about the COG of the car. This is the arfcom of pinewood derby. This ensures compact weight placement, which helps to get the most speed out of your car. 95. 33 inches. Material is removed from inside the wheel to balance the wheel and give you a fast start and higher speed. 7 grams). steve. A large source of friction is the rubbing that goes on between the wheel and the Pinewood Derby car body. Https://derby tools used to test quality of wheels. Wheel alignment "dead-on" or active front wheel mildly toed in. $4. Physics and the Pinewood Derby Pinewood Physics, LLC Pinewood derby wheels are 1. •Axles, wheels, and body shall be from the materials provided in the kit. 5″. The main benefit to extended wheel base is for making it easier to have a. 10. Sort By. 7 mm). The end bored holes will also accomodate a raised front wheel for a 3 wheel alignment and ease in a rail rider setup. Derby Speed Tips / Tricks: Using a modified Derby Worx Pro Hub Shaver and a Derby Worx Pro Hub Tool, make coned hubs with. 7. Pull the strip back and forth across the nail for about 15 seconds to clean the polish off and finish shining the nail. The cars will weigh between 4. Bake your block. After passing inspection, the car will be impounded until racing is completed. The wheels must be from the official B. 8. Pine-Car Tungsten Incremental Cylinder Weights 3oz Pinewood Derby Car Weight #p3915. If you are racing in a Cub Scout race, use the Cub Scouts wheels and axles from your BSA Cub Scout kit or. This article is only going to address WEIGHT. All pinewood derby tungsten weights are an alloy with over 95% tungsten. This weight is generally sufficient to keep the wheels on the track and keep the axle. Re: Pinewood Wobble Problem. 45. 7 simple steps that ACTUALLY MATTER to building a winning pinewood derby car. 6. If your car weighs less than 5 ounces, you can add extra weights like coins to enhance its performance. 2% to 22. Pine-Car Pinewood Derby Show Wheel Pinewood Derby Wheel and Axel #p349. 3 Spray on lubricants 2. down the track. This means that nine of these and a drop of glue equals one ounce of weight that is exactly 0. Here's why: The force acting on the car is calculated by the formula Force = Mass x Acceleration. Posted on October 10, 2014 by Randy. Re: Will WD-40 alone improve the speed of the car? by doct1010 » Mon Feb 25, 2008 7:23 pm. $13. Ride on three wheels by raising one wheel off the track. It will also need to be adjusted according to what type of track you are racing on. Continue until no more graphite can be added. it is to help provide first time racers with a the important tips in a correct. Graphite Pads. The 2. Maximum Velocity carries many of the pinewood derby car weights you need to get your pinewood derby racer flying around the track. Wheels made after January 2009 are preferred because of the smoothThe maximum weight limit for a pinewood derby car is 5 ounces. 95. 1/2" mark with the dot on the head down and slightly bend the axle with a light hammer tap. This is usually accomplished in one of 2 ways, the first more common and the second less so. Use all of the graphite. and noticed a touch of wobble due to imperfect placement. 10 in stock. 54” or 13. 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. Again, start with the axle slot in the axle head vertical. 0 inches in 1/8 inch increments. 4. This is the Axle Placement Guide from PineCar by Woodland Scenics. Pinewood Derby kit provided by the Pack orPinewood Derby in Six Easy Steps - INSTANT DOWNLOAD! Pinewood Derby Fast & Furious - hard copy book. The cut slots must be used for the axles and the wheel base distance must be 4-1/4 to 4 3/8 inches. While you may have certain tools needed already on hand, such as needle-nose pliers, many of these. Locating the COG. The SmartLine Pinewood and Space Derby® Finish Line Timer by supports up to 8 lanes with instant race results resolved to . Location: houston, texas. So the circumference or distance around the wheel is π (pi) times the diameter. each (3. One front axle hole is slightly raised so that the car will ride on three wheels (best performance). A Scout is Trustworthy. so They are precision tuned while removing . However, to increase stability and guard against speed-killing wiggles the fastest Pinewood Derby cars will steer (or. Tracks Q&A. To make “fenders”, outline their shape and mark the wheel centers on 1/2 in. All plans include templates and step-by-step instructions, and the plans provide for optimal quantity. Axle Placement Guide. Therefore, the pinewood derby car will be 7 inches long (2. With the help of adults, Scouts build their own unpowered, unmanned miniature cars from wood, usually from kits containing a block of pine wood, plastic wheels, and metal axles. Here, Mark Rober gives his seven steps to building a fast pinewood derby car: 1. No Shipping Cost for this item. Notes: Tungsten is non-toxic and child-safe. Bake your block. 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. $4. The blocks vary in density from 3 to 6 ounces. Diagram of pinewood derby car wheel alignment under conditions where the wheel moves out when the car rolls either forward or backward. Bake the wood block. If not, you have camber and you need to adjust your axles until camber is zero. 00005 seconds that may be sent to a computer for storage, analysis and display by any of the popular race management software packages. The kit includes a pre weighted and painted car block with the weights set for optimal center of gravity for maximum speed. Derby Worx Pro Wheel Shaver XT View Product: RollerBones Turbo 94A Speed/Derby Wheels with an Aluminum Hub (Set of 8) View Product: Luggage Wheel Replacement Kit – Set of Wheels, Bearings, Bolts, Axles (Black) View Product: Awana ® Grand Prix Pinewood Derby Wheels 1gram – Ultra Light View Product: Revell. So you want the car to be as heavy as possible. 3. Drill. The key to maximizing momentum is by adding weight. 5. Axels,, wheels, square mounting holes, 5 coats of polyurethane, and good weight placement. Title: Microsoft Word - Pack 1776 Tip Number 3 1-21-2013. 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. 5 oz (depending on design) without weights so a car may need 3. 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. weight placement. The PRO Driller for drilling perfectly straight axle and. 3x 3/8″ weight holes from the side. My buddy's helping his kid with a pinewood derby car and weight placement came into question. 22. Too far back and your car will pop a wheelie, ruining any chance for a win. 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. The raised pinewood derby wheel will be 3. The standard pinewood derby wheelbase is about 4. Precise weight placement in a pinewood derby car results in maximum speed. Next, insert the tungsten cylinder weights into the holes. Pro-Ultralite Speed Wheels from DerbyWorx – These official BSA wheels weigh 1. This is the Axle Placement Guide from PineCar by Woodland Scenics. Standard pinewood derby blocks have grooves in the bottom of the car for the axles guides. Cub Scouts can only enter one car which must have been built. How close should pinewood derby wheels be to the car? The hub of the wheel should be a credit card thickness (about . 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. 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. Pinewood Derby Advanced Car Plans provides you with three winning car designs: the Arrow, the Interceptor, and the Rocket. Key 2: Wheel Axle Preparation - Axles - no flaws, straight, polished; Wheels - no flaws, polished. 3: Clamp the axle in your drill press or power drill. Pinewood Derby in Six Easy Steps - INSTANT DOWNLOAD! Pinewood Derby Fast & Furious - hard copy book. The only wheel modification allowed is a LIGHT sanding to true them up. Last year was a poor year for pinewood derby performance for my sons. Male. pine. Skate to the finish with your skateboard pinewood derby car! Complete pinewood derby design plan includes AutoCAD graphics showing each cut of the car and full instructions! We'll even show you where to put the weight, include building tips, a tool list, and extremely clear cut-outs to use as a cutting guide. 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. 0:00 / 2:45 Video Details Learn to ensure accurate wheel spacing and axle nail alignment using the Axle Placement Guide. No other jobs, no other runs. With this kit, you can build a winning car that is both fast and stylish. Pinewood Derby Car Ideas. 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. Typically, races cap the maximum weight of a pinewood derby car to five ounces. . Pine-Car Pinewood Derby Wheel Turning Mandrel Pinewood Derby Wheel and Axel #p357. When adding weight, place it so that the final balance point of the car is 1 inch or less in front of the front axle. Make a paste of rubbing alcohol and graphite. For optimal Pinewood Derby car performance, most of the weight should be placed one inch in front of the rear axle and as low on the body as possible. 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. Key Alignment #1 - Rear Wheels. Tungsten is the best pinewood derby weight because it is about 1. Learn how to easily put wheels on the pinewood derby car with this video tip from Pack 162. Plan on adding 2 to 3. •Weight shall not exceed 5 ounces. We find 5/8 of an inch is an optimum setting. Don, realizing that he created something exciting and fun, wrote a complete PINEWOOD DERBY plan and submitted it to the Boy Scouts of America. 5621, 5622 - Drilled axle holes, 4 wheels on the ground - add $1. Sold and shipped by. 33 times 3), 1-3/4 inches wide (2. This can be measured by comparing the distance to the track (or other flat surface) at the front and back of the car. Firebird Trans Am - Pinewood Derby 3D Car Design Plan. com. A convenient way to mark the size of the area that needs to be shaved is to use the width of a wheel, and add 1/8th of an inch to each side. To get the exact weight you need, use. So I decided to design a timer myself. The weight of the car is usually limited to 5 ounces. 33 inches. 5 oz wheels/axles = 2. The Pinewood Derby block is 7” long x 1. Shaft Length: 1 inch. The evaporation rate of the silicon lube is just too fast for pinewood derby racing. We recommend that you use our Stick-On Weights or Tungsten Weights to fine tune your car's weight to 5 oz. 9x 3/8″ weight hole pattern for the bottom. Only official Cub Scout Grand Prix Pinewood Derby wheels and axles are permitted. A thin, small car design has less wood so it needs more weight. in front of the rear axle. The Pro Axle Guide is designed to straightly and correctly install axles into BSA Pinewood Derby cars where the slot is required. Remove and be more aggressive. Use to install wheels on BSA wheelbase for Pine wood Car. Use the slowest wheel/axle combination as the raised wheel. 25 oz Tungsten Pinewood Car Weights + 20 Page Step-by-Step Build Guide for Apollo 2000 Derby Car Showing Design + Weight Placement, Bring Your Car to The 5 oz Limit and Gain The Winning Edge WIN BY 3+ CAR LENGTHS: It's science. Also included is are pre-drilled axle holes to (optionally) raise either front wheel. Pinewood Derby Axle Polishing Kit. If a. All cars must pass the following inspection to qualify for the race: Width shall not exceed 2-3/4 inches. Lift one wheel of Ultra light Pinewood Derby- 9% increase in speed. which is the Pinewood Derby weight limit. There was 0. The first is making sure the scout is involved,. Free Book - How to Run the Pinewood Derby:. Best seller. Items you cannot use in a pinewood derby car include wheel washers, bearings, and springs. 4. Regardless of any other option. After cutting, any chips in the bores were carefully removed. This may seem like an afterthought to many, but if your Pinewood Racer doesn’t go straight, the wheels will rub against the track, causing it to slow down. 2 oz wood plus 0. Reduce Wheel Drag. It performs seven key functions needed for proper alignment. The rear wheels should be set at a 3-degree angle (camber). This is a great option for novice pinewood derby car builders who want to familiarize themselves with building a car without tirelessly researching proper axle placement, weighting techniques or aerodynamic. Too far forward and you’ll lose potential energy. Place the drill in a vice or use a drill press. Speed Tip #2. Additional wheels can be purchased separately. That depends on two factors: the density of the block in the kit, and the amount of wood removed when making the car. Scout Talk | Carlos | Boy Scouts of America. The result is that your car will not go. Spend time sanding. With the help of adults, Scouts build their own unpowered, unmanned miniature cars from wood, usually from kits containing a block of pine wood, plastic wheels, and metal axles. This will leave room for the wood putty. Elimination of weak wheel – Oftentimes, one of the wheels will not spin as nicely as the others. axles for a 2nd place finish. Axle Insertion: Ensures accurate mounting of axles (in axle slots) to improve alignment. 10 Tips for a Fast and Cool Looking Pinewood Derby Car. 9 out of 5 stars. Elimination of weak wheel – Oftentimes, one of the wheels will not spin as nicely as the others. Cut a shallow groove in the axle shaft to act as a lubricant reservoir (on grooved axles). 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. 8g (. Reviews. Buy the video to learn more about aerodynamics, weight placement, wheel alignment, and more! Or, open this template in the free drawing program Inkscape to design your own shape to tape to your block . CONSTRUCTION RULES 1. I firmly believe the design on this page, when properly built, will produce a car that has the potential to place first in any district race against any other design. All bodies made by Derby Dust have the option of 3 wheel racing at no extra charge. 8. The Wedge Pinewood Derby Kit includes. Pinewood Derby Design Overview: Fundamental equation of Pinewood Derby Car Design: Kinetic Energy (speed) = Potential Energy - Lost Energy Design Strategy: 1. First, use the drill guide tool to drill a hole in the center of each of your Pinewood Pro Derby car’s wheels.