How to Make a Fast Pinewood Derby Car (2024)

SAFETY FIRST: Ask an adult to help with tools you haven't used before.

How to Make a Fast Pinewood Derby Car (1)

Packs nationwide are gearing up for their annual Pinewood Derby. There are a variety of ways to make your Pinewood Derby car go faster. Explore the following tips to optimize your car’s performance and gain a competitive edge in an upcoming race.

BASIC GUIDELINES FOR PINEWOOD DERBY CAR DESIGN

The possibilities are endless when it comes to picking a shape for your Pinewood Derby car. Before you begin, consider the following general guidelines:

Avoid Pointed Noses: A pointed nose will make it difficult for your Pinewood Derby car to rest on the pin at the starting gate. It may also cause your Pinewood Derby car to get bumped around when the pin drops, and it can create problems for electronic timing systems at the finish line.

Weight Distribution: Leave ample wood in the rear of the Pinewood Derby car so you can place additional weight there. Concentrate the majority of the weight in the rear for optimal performance.

Maximum Weight: Aim for the maximum allowable weight, typically limited to 5 ounces in most races. If your car falls short of this weight, strategically add coins or other weights to meet the requirement.

Clarity in Orientation: Clearly distinguish the front and back of your Pinewood Derby car. In many races, the race officials — not you — will actually place each Pinewood Derby car on the track. Sometimes the officials put the Pinewood Derby car on the track backward because they can’t tell which end is which.

Aerodynamic Design: Select a design that facilitates smooth airflow over and around the Pinewood Derby car body. Pinewood Derby cars with aerodynamic profiles go faster.

See photo galleries of hundreds of Pinewood Derby car designs.

How to Make a Fast Pinewood Derby Car (2)

10 STEPS FOR DESIGNING AND BUILDING YOUR PINEWOOD DERBY CAR

You don’t have to strive for the fastest Pinewood Derby car to have fun competing in your Pinewood Derby. But if you and a helpful adult are willing to put in the extra time and effort, these tips are for you.

1. Bake the Block: Start your Pinewood Derby car project by baking the wood block at 250 degrees for two hours. This removes moisture and lightens the block, allowing you to place more weight at the rear of the car where you actually want it.

How to Make a Fast Pinewood Derby Car (3)

2. Crafting the Design: Outline your Pinewood Derby car on paper, cut it out, and affix it to the wood block.

Remember, a rectangular car is not an aerodynamic design. The most basic aerodynamic design is a simple wedge. If you don’t have time to design a complex car, a wedge will work just fine.

Download a Pinewood Derby car template PDF to help you create your design.

3. Rough Cut the Design: Use a coping saw or enlist the help of a responsible adult with a power tool to cut out the rough shape of your Pinewood Derby car.

4. Shape Your Car: Smooth edges and shape your car using sandpaper. An adult can assist with a rotary tool or other shaping tools.

5. Sand and Paint Creatively: Reduce friction by smoothing the car’s surface and paint an awesome design to make it look great.

How to paint your Pinewood Derby car to give it a shiny finish.

6. Axles and Wheels Alignment: Make sure they are aligned perfectly straight. You can test the alignment of your axles by pushing your car across a smooth floor or table. It should roll smoothly in a straight line.

— Consider a Three-Wheeler: Raise one wheel about 1/16 inch higher so it never actually touches the track. Less friction = more speed. Rules vary from pack to pack, so make sure to check your pack’s Pinewood Derby rules to make sure three wheelers are allowed in your race.

— Extend the Wheelbase: Maximize the distance between front and rear wheels. Again, make sure this is allowed in your race.

Learn about polishing Pinewood Derby axles and wheels to reduce friction.

7. Secure Axles with Glue: Glue the axles firmly in their holes to ensure that they stay perfectly placed, but make sure you don’t get glue on your wheels.

8. Strategic Weight Addition: Remember to make your Pinewood Derby car as heavy as the rules allow. In general, it’s best to place weight to the rear of your car because a heavier rear increases speed.

Learn scientific Pinewood Derby speed tips from a former NASA engineer.

9. Use Graphite: Add graphite or another dry lubricant to reduce friction. The less friction between the body and wheel, the better.

10. Have fun! And finally, remember the most important rule of a Pinewood Derby is that it’s supposed to be fun. While you should always strive to do your best, don’t get caught up in winning or having the fastest car. Just enjoy the ride.

Adapted from the book “Pinewood Derby Speed Secrets,” DK Publishing, $12.95 softcover.

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How to Make a Fast Pinewood Derby Car (2024)

FAQs

How to Make a Fast Pinewood Derby Car? ›

To go fast, it's all about aerodynamics, and the best shape is a simple wedge. Just like a spoiler on the rear of a sports car, the wedge shape allows as much air to flow over the top of the car without hinderance while keeping the car pinned to the track.

What is the fastest shape in Pinewood Derby cars? ›

To go fast, it's all about aerodynamics, and the best shape is a simple wedge. Just like a spoiler on the rear of a sports car, the wedge shape allows as much air to flow over the top of the car without hinderance while keeping the car pinned to the track.

How fast is the fastest Pinewood Derby car? ›

How fast do these things go, anyway? The distribution plot below shows a range of speeds from 177 mph to 229 mph, with most cars exceeding 200 mph.

What is the best angle for a Pinewood Derby car? ›

The rear wheels should be set at a 3-degree angle (camber). This angle reduces friction as only a tiny portion of the wheel makes contact with the track.

Do fenders make Pinewood Derby cars faster? ›

Fenders can help efficiently direct the air around the wheels resulting in more speed. There are a few different types of fenders: Leading Edge Fenders: These fenders are placed in front of the wheels and help direct air over them, leading to a faster car.

Does baking a Pinewood Derby car help? ›

Baking your Pinewood Derby wooden block helps to remove the moisture so that you have more wiggle room to add extra weight at the end. Remember, every little bit of weight in the right place makes a difference! Bake it in the oven at 250° for about 2 hours.

Is a lighter Pinewood Derby car faster? ›

Assuming all other factors are equal, a heavier car will be faster than a lighter car. The Pinewood Derby rules limit the weight of each car to 5 ounces.

Does a longer wheelbase make a Pinewood Derby car faster? ›

For pinewood derby cars, extending the wheelbase provides an advantage due to the following reasons: On Ramp-flat tracks2, best speed is attained by locating the center of gravity (COG) of the car as far back as possible while still maintaining stability (typically this is about one inch in front of the rear axle).

Where is the best place to put weights on a Pinewood Derby car? ›

PUT MOST OF THE WEIGHT IN THE BACK

Science says the heaviest part of your car should be about 1 inch in front of the rear axle. The idea is that the farther back the weight is, the more potential energy you have because your center of mass is higher up on the track.

Why is my Pinewood Derby car slow? ›

Your pine wood derby car moves from the force of gravity and is slowed down from friction. Friction acts like brakes. Reduce friction and your car goes faster. Increase friction and your car slows down.

How far to push in Pinewood Derby axles? ›

Push until the wheel touches the car body. The base is designed to leave the proper gap between the wheel and body. 5. The axle will need to be glued if it slips easily into the car body.

How to increase the speed of a Pinewood Derby car? ›

5 Quick & Easy Tips For Improving Your Pinewood Derby Car's Speed
  1. Put all of your weight in the back. ...
  2. Lube the car at the body/wheel friction point. ...
  3. Spend a fair amount of time on axle prep. ...
  4. Make sure your wheels are ready. ...
  5. Finally, once your wheels are mounted, check their alignment.
Feb 25, 2009

Should I glue Pinewood Derby axles? ›

Slide the axles and wheels onto the car and glue into place. Use an epoxy or nonresin glue, and make sure you don't get any on the surface of the axle where the wheel rides.

What is the best shape for a fast Pinewood Derby car? ›

1. Pinewood Derby Car Shape: The Wedge. The wedge is a classic and probably the easiest shape (besides keeping a block) to build your Pinewood Derby car. The Wedge is the foundation of many cool car designs, and it is designed to be aerodynamic and is a one-cut wonder.

What factors might affect the speed of a pinewood derby car? ›

The following parameters made pinewood derby cars faster: using graphite on the axles and wheels, using lightweight wheels and polished axles, lifting the left front wheel and bending rear axles also raised speed.

What does graphite do to a pinewood derby car? ›

Pure Graphite

A special blend of micron size graphite particles are formulated to reduce the coefficient of friction and give your car the winning edge.

Where is the best place to put weights on a pinewood derby car? ›

PUT MOST OF THE WEIGHT IN THE BACK

Science says the heaviest part of your car should be about 1 inch in front of the rear axle. The idea is that the farther back the weight is, the more potential energy you have because your center of mass is higher up on the track.

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