Step 1: Begin by wrapping sandpaper around a block of wood 1 inch by 3 inches. … Step 2: Just painting the pinewood won’t hide the wood’s grain. … Step 3: Choose a color for your Pinewood Derby car. … Step 4: Place a race number on the Pinewood Derby car.
Should I prime my Pinewood Derby car?
Make sure to do the priming in an area free of dust and wind! Apply 4 to 5 coats, waiting 5 minutes between coats (do not sand between coats). After all the coats are applied, let the car dry overnight.
How much weight does paint add to Pinewood Derby car?
Paint only adds a few grams (hundredths of a ounce). We generally weight up to 4.9 oz and then do the last weight adjustment at check-in.
Can I use wood putty on a Pinewood Derby car?
Fill the weight holes with the wood putty. Allow to dry in a warm place for 12 hours. Sand the wood putty until smooth and flush with the car block. Paint your car and add the wheels and axles.Can you paint Pinewood Derby wheels?
It’s easy to paint chrome spokes on you Pinewood Derby car wheels. All you need is a silver paint marker available from our web site.
How can I make my Pinewood Derby car faster?
- Bake your block. …
- Max out your weight at the regulation 5 ounces. …
- Use all of the graphite (dry lubricant is usually allowed). …
- Sand and polish your wheels and axles. …
- Check alignment. …
- Spend time on sanding. …
- Use a high-quality paint. …
- Add decals!
Should I bake my Pinewood Derby car?
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. You can then add more weight to the back of the car.
What is the best 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.Do I need to use a sanding sealer?
Michael Dresdner: “Sanding sealer is never mandatory. It is an option that saves time and material in some situations, and is unnecessary in others. Some woods, like cedar, spruce, and poplar, are so porous that they tend to suck up the first few coats of sprayed lacquer as if nothing were applied.
Will Home Depot cut my Pinewood Derby car?“Our employees will use our tools to cut a seven inch block of pine into a winning race car. … The workshop is free to Scout parents.”
Article first time published onDo you glue Pinewood Derby axles?
7. Create Glue Holes: 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. Add Weight: Remember to make your Pinewood Derby car as heavy as the rules allow.
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.
Are Bent Axles legal in Pinewood Derby?
CAN I BEND AXLES AND QUALIFY FOR STOCK CAR OR PRO STOCK DIVISIONS? No. Bent axles are not allowed in either racing class.
How can I make my soap box derby car faster?
Weight: Numerous formula-based calculations and real-life experiments have been done to determine if a heavier or slower soap box derby car will go faster. Consensus is that adding weight gives the car more momentum (acceleration/top speed) and cuts down on air resistance/drag.
What is the fastest Pinewood Derby car time?
We used ultralight wheels and grooved axles. It was very fast. Nobody even came close to us. Our best time was 2.516 seconds on a 35 foot aluminum track.
Is a heavier Pinewood Derby car 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 can you use instead of sanding sealer?
“As for a sanding sealer, I usually just use shellac. Typically a 1 lb cut. There are two ways to do this. I either buy pre-mixed shellac (Bullseye SealCoat), and dilute it from 2lb cut to 1lb cut.
What's the purpose of sanding sealer?
A sanding sealer can be used on bare, unstained floors, doors, furniture and cabinets prior to applying either an oil-based or a water-based clear finish. It is designed as a base coat that will dry quickly, seal the pores, and sand easily with fine sandpaper to create an ultra-smooth foundation.
What is a sand and sealer?
Sanding sealer is a clear liquid base finish that is applied to bare natural wood or to any uncoated wood product. … Sanding sealer helps improve the condition of subsequent coats of paint or clear finish by sealing the wood pores.
How far apart should the wheels be on a Pinewood Derby car?
The wheel base (distance from front axle to the rear axle) may not be altered. The cut slots must be used for the axles and the wheel base distance must be 4-1/4 to 4 3/8 inches. 8.
Where should the weight be placed on a Pinewood Derby car?
Weight should be placed towards the rear of the car. You can drill the weight holes in the bottom, side or rear of the car as shown in these examples. Stay at least 1/8″ away from the axle slots.
How much does a Pinewood Derby car weigh out of the box?
How much does a Pinewood Derby car weigh out of the box? The official Pinewood Derby car weighs about 3.5 ounces without any modifications. The wooden block is about 3.3 ounces, and the wheels and axles add about 0.2 ounces.
How do you glue weights on a pinewood derby car?
Epoxy can be used for attaching metal accessories to the car and, since it does not shrink when dry, it works well for gluing weight into holes or pockets. It can also be used for gluing wood to wood, but I recommend yellow, white, or tacky glue for that use.
Can you add weight to a pinewood derby car?
The heavier your pinewood derby car, the faster it will go. Most race rules limit the weight to 5 oz so you want your car as close to the limit as possible. The Wedge block will need about 2.5 oz of additional weight to bring it up to the 5 oz limit. … Then add the weights until the total is 5 oz.
Is graphite legal in Pinewood Derby?
Graphite-coatings on axles and wheels are legal as long as your race rules allow graphite or dry lubricants.
Can a Pinewood Derby car have 3 wheels?
Especially when using axle slots, it is often quite difficult to get all four wheels to touch the ground evenly. In fact, many times people end up with three-wheeled pinewood derby cars by accident! Don’t let your car design be accidental.
