Car Designer - Derby Weights
Select Weights and see how they affect performance
How To Build a Fast Car
Our cool pinewood derby Car Designer with Speed Simulator* helps you choose products by showing the "relative speed" difference between products. Select car parts, read the performance notes, and watch the speed improvement of your car as it races to the finish line.
What are the Performance Ratings?
A fun tool that simulates the performance of our products. To see actual track-tested speed ratings, see our Speed Tests.
What is your Product List?
Your Product List (upper left column) conveniently tracks the products you selected. It is NOT your Shopping Cart. When done, click on Add to Cart for each product you would like to purchase.
This product has been removed. You may select a new product for this category, or you can continue on to the next category!
Weights are important because a heavier car can gain more speed and momentum moving down the track. Adding our Zinc or Tungsten weights can help make your car faster!
* The "Speed" of the animated Race Car does not correlate to the speed of your car on the track. It just gives you an indication of the "relative speed" between products. Our Speed tests lists the actual track speed measurements.
How Weights Speed Up Your Car
With the right axles and wheels, your car is as close as it gets to frictionless! But to get even faster, you need proper weight placement, and the best weights! Choose between Zinc and Tungsten weights to meet your needs! Put gravity on your side to push your car down the track!
Weight Tips and Placement Hints
Tungsten Putty is ideal for getting your car up to the maximum 5 oz limit. Drill a hole in the bottom of your car and insert Pinewood Pro Putty as the last step to bring your car to 5.0 oz. If the official scale weighs you in at 5.1 oz, simply remove a small amount of putty to bring it back to 5.0 oz.
Tungsten weights are ideal for pinewood derby cars. Tungsten is about 1/3 smaller than zinc that has the same weight. Therefor, you can pack Tungsten weights in a smaller area to optimize your center of gravity to maximize inertia giving you greater speed at the finish gate.
Using the Pinewood Derby Car Designer
All Weights advance your toward the checkered flag equally.
- Be sure your car is fully weighted to get the maximum velocity as it exits the ramps onto the flat part.
- Weights come in many styles. Select based on your car syle.
- Also consider placement for optimal center of gravity.
- Tungsten is the densist weight so you can pack more in a smaller space.
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- Your Product List