QA

Quick Answer: How To Make Pinewood Derby Car Wheels Faster

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

How can I make my pinewood derby car faster?

What is the fastest shape for a pinewood derby car?

But aerodynamics rule the day, 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.

Should you sand pinewood derby wheels?

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. Sanding can still help by removing variations in the wheel circumference making the wheel rounder but sanding is no longer as necessary as it was.

Do heavier Pinewood Derby cars go faster?

Much has been written about the physics of pinewood derby cars, and this is one rare case in racing where heavy = fast. Aerodynamics have little effect in such a short race, but weight does and putting the weight at the back of the car will make your car faster on the flat of the track.

What makes a fast car fast?

The motive force for a car is the engine. Every engine produces an amount of work-energy measured in mechanical horsepower. One horsepower is 550 foot-pounds per second. More power in generation from the engine means more power available to turn the wheels faster on the car.

Do fenders help Pinewood Derby?

Pinewood Derby Fenders / Air Guides Add pizzazz to your pinewood derby car with our sleek fender accessories! Fenders improve air flow over the wheels resulting in a few milliseconds of advantage, during a tight race. Both front and rear fenders are available and are typically used together.

What is the best weight for a Pinewood Derby car?

First, the basics: Your car should weigh as much as it’s allowed. In most races, a Pinewood Derby car’s weight is limited to 5 ounces. If your car weighs less than that, add coins or other weights. As far as where you should attach those weights to your car … well, let’s just say opinions differ.

How do you make a gravity car go faster?

If you want to go fast, the car needs minimal air resistance. As crazy as it sounds, a simple wedge shape car solves this problem. Don’t forget to slant the back of the car so it doesn’t drag when the car hits the bottom of the hill. Wheels – The wheels provided in the standard kit are excellent.

What is a fast time for a Pinewood Derby car?

Pinewood Derby Results. The average times with just weight added was 3.288 seconds. There was 0.188 seconds between the fastest and slowest car, about 23 inches. The average time was 2.994 seconds, about 44 inches faster than without graphite (0.353 seconds).

Where is the center of gravity on a Pinewood Derby car?

Center of gravity placement should be between 1⁄2″ – 1″ in front of the rear axle. This is true for all wheel base types. Whether you are using a standard wheelbase or an extended wheelbase.

What is the best type of paint to use on a pinewood derby car?

ByBrittney. Pinewood Derby cars were painted over 100 times, and we selected the best paints for them. Sand and paint are the best way to apply these high gloss acrylic paints – they do not require primer or wood sealer.

What is a fast time for a pinewood derby car?

Pinewood Derby Results. The average times with just weight added was 3.288 seconds. There was 0.188 seconds between the fastest and slowest car, about 23 inches. The average time was 2.994 seconds, about 44 inches faster than without graphite (0.353 seconds).

How do you reduce friction on a pinewood derby car?

The easiest way to reduce friction is to lubricate the surfaces that cause friction. Lubrication is an essential part of pinewood derby racing. Purchase a tube of dry PRO Graphite with moly and shoot it onto the axle shaft and inside the wheel bore. Spin the wheel so the graphite works in.

Can you modify pinewood derby wheels?

Car Modifications Not Allowed Wheel bearings, washers, springs and bushings are prohibited. Starting devices, finish line devices, propellants, or propulsion systems are prohibited.

What is the fastest pinewood derby car design?

The Black PRO Car is our fastest pinewood derby car. It pushes the Speed Limit! It is track-tested car ready to race featuring our race winning PRO friction-free BSA Ultra-Lite graphite-coated wheels and PRO BSA graphite-coated grooved axles.

Where should the center of gravity be on a pinewood derby car?

The ideal placement for the center of gravity is 7/8-in. in front of the rear axle. Too far forward and you’ll lose potential energy (P=9.8mh or the energy caused by the item’s position). Too far back and your car will pop a wheelie, ruining any chance for a win.

Should I bake my Pinewood Derby block?

Should I bake the pinewood derby block? The short answer is no, do not bake the block. The idea behind baking the block is to remove moisture which will make the block lighter. Baking might remove more moisture but the block will quickly re-absorb the moisture after it is out of the oven and cooled down.

What is the best lube for pinewood derby cars?

Graphite is perhaps the most widely used and accepted Pinewood Derby lubricant out there. Molybdenum (Moly) is also used, both alone and more commonly, mixed with graphite. Graphite and graphite with moly are the best lubricants for your car.

What is the best weight for pinewood derby?

First, the basics: Your car should weigh as much as it’s allowed. In most races, a Pinewood Derby car’s weight is limited to 5 ounces. If your car weighs less than that, add coins or other weights.

What weight should I use for a pinewood derby car?

Below are several suggestions for adding weights to your pinewood derby car. Zinc Top Weight. Lead Wire Weights. Tungsten Weights. Tungsten Canopy.