Use a final gloss clear paint coat to give your car an extra shine. Some people use car wax but clear paint gives better results. You will get better results if you give your car several light coats of paint rather than one or two thick coats. Sand your car lightly after the first coat of paint dries.
How do you seal a Pinewood Derby car?
To seal the paint and give the car a deep shine, apply a “clear coat”. Use a clear coat that is compatible with the base coat. The clear coat can be applied right after the base coat dries to touch. Give the first clear coat 10 minutes or so to dry, and then apply a second clear coat.
How do you sand and paint a Pinewood Derby car?
- Sand your car. …
- Shake the paint bottle for one minute. …
- Wait about 4 hours for the paint to completely dry then lightly sand your car until the paint is smooth.
- Apply another thin coat of paint. …
- Apply additional coats of paint waiting at least one hour between coats.
Should I prime my Pinewood Derby car?
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. Water is the base of all of our paints.
Should I sand the wheels on a Pinewood Derby car?
In the past, pinewood derby wheels had a mold mark on the wheel tread that had to be removed by sanding. The new wheels no longer have a mold mark. 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 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.
What kind of paint do I use on a Pinewood Derby car?
It’s as easy as ABC! Use a final gloss clear paint coat to give your car an extra shine. Some people use car wax but clear paint gives better results. You will get better results if you give your car several light coats of paint rather than one or two thick coats.
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!
How much does paint weight on Pinewood Derby car?
1 oz is reserved for paint and decals. 2. Decide where you would like to add the weight. Weight should be placed towards the rear of the car.
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.
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Do 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 Pinewood Derby world record?
The longest Pinewood Derby track is 554.53 m (1,819 ft 3.75 in) and was built by the Boy Scouts of America Mid-America Council (USA) at Eugene T. Mahoney State Park in Ashland, Nebraska, USA on 15 October 2016. The successful Pinewood Derby car was provided by Glenn Jewkes of Jewkes Engineering.
How do you paint Pinewood Derby wheels?
- Clean the wheel with a soft rag.
- Remove any excess paint from the tip of the marker by wiping it on a piece of paper.
- Paint the spokes by rotating the wheel under the marker. Keep the marker at the same angle. …
- Let the paint dry for two hours before mounting the wheels on your car.
What can I use for Pinewood Derby weights?
- Zinc Top Weight.
- Lead Wire Weights.
- Tungsten Weights.
- Tungsten Canopy.
What is the difference between sanding sealer and polyurethane?
Oil-based polyurethane is a very durable and hard-curing finish. … This sealer is good for use under non-polyurethane varnishes because regular alkyd varnishes gum up sandpaper. So to speed production, a sanding sealer can be used for the first coat. Sanding the first coat not only removes dust nibs.
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.
How fast do pinewood derby cars go mph?
The Speed of Pinewood Derby Cars The distribution plot below shows a range of speeds from 177 mph to 229 mph, with most cars exceeding 200 mph.
How much weight should I put in my Pinewood Derby car?
The maximum weight limit for a pinewood derby car is 5 ounces. Plan on adding 2 to 3.5 oz of weight to your car, depending on your car design and the weight of your pine wood block. A chunky car design has more wood so it needs less weight.
Why does my Pinewood Derby car wobble?
Pinewood Derby Wheels Wobble are a very common issue. Derby wheels are made with an injection molding process. Because they are not machined from raw material, flaws such as concentricity (wobble) will cause a wheel to wobble because the bore is not aligned with the outer diameter.
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.
Does a heavier pinewood derby car 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.
Why does adding weight to a pinewood derby car make it go faster?
Simply put: the more weight you can shift towards the rear of the car, the more potential energy it will have. The key important term is POTENTIAL. It is believed that the more stored energy you have, the faster your car can travel.
Where do you bend Pinewood Derby axles?
We recommend installing axles with a 1.5° bend for the front of the car and 2.5° bend for the rear. The axles heads are marked in the direction of the bend. Install the axles with the mark straight up. The alignment procedure requires turning the axles while they are in the car slot.
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.
How do you polish Pinewood Derby wheel and axles?
To polish axles, cut each paper into 1/4 inch strips, 3 inch long (there will be 16 strips per paper). Then fasten a drill in place using a Drill Mount, vise, or clamp. Insert an axle into the chuck of the drill, and start the drill. Use a file to remove the ridges on the axle head and shaft (if present).
