pinewood derby wheel placement

sannon March 12, 2022 derby , placement , wheel Comment

All frictional losses in a pinewood derby car come from the wheels and axles. They should all match.

Pinewood Derby Times Volume 13 Issue 9 Maximum Velocity

The car must have 38 clearance underneath the body so it does not rub on the track.

. Mark the range of 12-1 in front of the rear axle of your completed car then start the balancing game. Compare where each wheel lines up with the lines on the PRO Alignment Tool. The ideal placement for the center of gravity is 78-in.

Add 18 inch to their width and then measure down from the top of the axle nail and mark by that measurement. In keeping with the suggestions I made 55 525 and 5 wheelbase bodies. For more visit.

Selected from molds that have demonstrated higher performance. This is true for all wheel base types whether you are using a standard wheelbase or an extended wheelbase. This weight positioning helps create maximum inertia to push the car faster once the vertical drop has stopped and the horizontal track is reached.

Add Pinewood Derby Car Weight to the front two pockets until you can get your car to balance on its own within that range. It makes sure that the axles are horizontal and that the wheel-to-body gap is correct. 6 cubes behind and I believe 16 in frontroughly 75 COM.

Official Pinewood Derby Rules Rules from BSA Pinewood Derby Kit Car Dimension Rules The overall length of the car shall not exceed 7 inches. The car must have 1 ¾ clearance between the wheels. With PineCars conformity gauge you can check if you pinewood racing car will qualify with one easy step.

Take a ruler attach it to some sort of base so that it can rest on the edge side up. Place the tool flat on the bottom of the car and pull the wheels out to the axle head. This has been determined not by mathematical formula but by the PWD junkies with thousands of builds underneath their belts.

For best results mount your wheels onto an electric drill so that you can polish at a higher speed and reduce the likelihood of adding accidental imperfections. Making the rear tread about 38 inch from the back end. Learn how to ensure accurate wheel spacing and axle nail alignment with the Axle Placement Guide from PineCar.

Center of gravity placement should be between 12-1 IN FRONT of REAR axle. Place as much of the weight as you can approximately 1 in front of the rear axle. Our Premium Wheels are unmodified official Pinewood Derby wheels that have been hand selected for high performance.

Steer was around 2 in 4 feet. It is to help provide first time racers with a the important tips in a correct. When measuring the COM the rear wheel would be about 78 of an inch to where the axle hole will be drilled.

In front of the rear axle. Derby Car Weight Rules. Learn to ensure accurate wheel spacing and axle nail alignment using the Axle Placement Guide.

Clamp the axle in your drill press or power drill. You can also grab this sanding kit which includes three types of sandpaper designed for use on your Pinewood Derby wheels and axles. Diameter for all four wheels in a set are within 002 of each other.

Items mentioned in this video. Start by inspecting the parts in your kit to make sure they are usable. Place a second mark at 14th of an inch as shown in Figure 2.

This marks where you. For example if your wheels are 14 inch then you need to mark 38 of an inch down the axle nail. You want to eliminate Toe in and toe out so your wheels are perfectly straight.

That placement gives us a COM of 58 The front wheel can be all the way forward. Too far back and your car will pop a wheelie ruining any chance for a win. His video is part 2 of a 3 part series in basic Pinewood Derby Car building.

Place a dark mark on the axle at 116th of an inch from the head. Find Out More At. Pinewood Derby is a registered.

Weight placement is also important. Discussion in Alignment started by Craigs Cruzer Jan 19 2020. For BSA PineCar and other kits which use 4 independent axles mounted in slots.

Our axle installer makes it easy to install wheels and axles on your Pinewood Derby car the right way every time. Your Pinewood Derby car should be able to balance at this point on the car. Too far forward and youll lose potential energy P98mh or the energy caused by the items position.

Round within 004 Dont wobble. 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. Wheel Axle Preparation - Axles - no flaws straight polished.

This is called the center of gravity or center of mass. 325 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. Wheels 58 from the back and only back 14 in front to keep from jarring during stops.

Ive seen designs where the cubes are centered as well as ones where they are offset to The dominant wheel side. Wheels - no flaws polished. Lubricate the wheel and axle - Slide the axle into the wheel.

Tungsten cube placement behind rear wheels. Pinewood Derby Online a forum for questions and discussions about everyones favorite. Simple and absolutely free.

The overall width of the car shall not exceed 2 ¾ inches. Make sure your derby racer meets specifications before race day. If using a drill press line up the press table with the marks you made on the axle as shown in Figure 3.

We also clean the wheel bore.

Pinewood Derby Wheel Rules Flowchart Derby Dust