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.
How do you position a bent axle on a Pinewood Derby car?
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.
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.
Are Bent axles legal in Pinewood Derby?
Bent axles are not allowed in either racing class. Although canted axles are allowed in both. A canted axle is straight throughout its length.
Should I sand pinewood derby wheels?
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.
How can I make my Pinewood Derby wheels faster?
- 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.
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.
What is the maximum weight for a Pinewood Derby car?
MAX OUT YOUR CAR’S WEIGHT AT 5 OZ 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 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.
What can I use for pinewood derby weights?
- Zinc Top Weight.
- Lead Wire Weights.
- Tungsten Weights.
- Tungsten Canopy.
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How do you graphite a Pinewood Derby axle?
To burnish your axles with graphite, spin the axle in a drill or drill press and then “rub” powdered graphite into the axle by applying a cloth with graphite to the axle as it spins. Burnishing does not create an effective graphite coating.
What is the best graphite for Pinewood Derby?
Pinewood Pro’s dry powdered PRO Graphite is a special blend of ultra-fine natural graphite with sub-micron molybdenum disulfide (also known as “moly”) additive to give you the best graphite blend to minimize friction and make your car the fastest it can be.
What size are Pinewood Derby axles?
Pinewood derby axles are one inch long, 0.087 inch diameter zinc plated steel nails. The minimal axle treatment is the removal of the burrs and crimp marks with a file, followed by sanding and polishing. When it is allowed by the rules, the axle shaft can be cut with grooved and the head tapered.
Where is the best place to put the weights 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 do you cut a pinewood derby without a bandsaw?
If you don’t have access to a band saw, a coping saw will do. Coping saws are economical and can cut unusual shapes and curves. Coping Saws are intended for cutting curves in thin material but they can be used for cutting your Pinewood Derby car.
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.
What is the axle press world record?
Strongman Cheick “Iron Biby” Sanou breaks Eddie Hall’s world record with a 477.4 lb (217 kg axle press. Iron Biby, the Burkino Faso-born strongman born Cheick Sanou, has broken the world record for the axle press held by World’s Strongest Man champion, Eddie Hall since 2017.
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.
How much does Pinewood Derby block weigh?
The standard pinewood derby block is approximately 7.0 inches long by 1.75 inches wide by 1.25 inches tall. It has a typical density of 0.0138 lbs/in3. The block is supplied unsanded with grooves cut on the bottom side to accept the axles. The blocks weigh approximately 3.4 ounces.
