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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.
What is the most aerodynamic 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.
Is a shorter pinewood derby car faster?
For pinewood derby cars, extending the wheelbase provides an advantage due to the following reasons: The longer the wheel base, the greater the turning distance (a short car turns much more quickly than a long car). A pinewood derby car should go as straight as possible, so a longer wheel base is an advantage.
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.
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 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.
Are Bent axles legal in Pinewood Derby?
Wheels and Axles Rules Official BSA wheels must be used. The wheels may not be cut, drilled, beveled or rounded. You may remove the seams and imperfections from the wheels.
What is Cub Scout Pinewood Derby?
The pinewood derby is the wood car racing event of the Boy Scouts of America. Pinewood derbies are often run by packs of the Cub Scouts program. Similar Cub Scouting events include the raingutter regatta (a race for miniature boats) and the space derby (a race for rubber band-driven propeller shuttles).
Should you bake a 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. 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 fastest Derby time?
Secretariat, 1973, Time: 1:59.40 The fastest Kentucky Derby time of 1:59.40 minutes is held by Secretariat from the 1973 Derby. He is the only horse in the top ten Kentucky Derby fastest times to have won the Triple Crown.
What is the average speed of a Pinewood Derby car?
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.
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 shape makes a car go faster?
The shape of the chasis is similar to an upside down airfoil. The air moving under the car moves faster than that above it, creating downforce or negative lift on the car. Airfoils or wings are also used in the front and rear of the car in an effort to generate more downforce.
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.
Where is the best place to put the weights on a pinewood derby car?
Best Location to Weight Your Pinewood Derby Car When deciding on where to weight your car, you should try to reach a final balance point of the car 1 inch or less in front of the rear axle. To achieve this, place 2/5 of the added weight behind the rear axle, and the remaining 3/5 in front of the rear axle.
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.
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 legal weight of a 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.
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 tungsten weight?
Standard atomic weight Ar, std(W) 183.84(1) Tungsten in the periodic table.
