Table of Contents
How do you put wheels on a Pinewood Derby car?
Pinewood Derby Axle Installer Lubricate the wheel and axle – Slide the axle into the wheel. Place the wheel/axle on the base with the pointed end of the axle up. Place the Axle Guide in the axle slot. Hold the Axle Guide in place with your thumb then gently press the car body straight down on the 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.
How do you bend a derby axle without a bender?
Certainly a vise or a needle nose pliers and a spare wood block using a drilled axle whole would work for bending for alignment. Unless you are going to use the shim method, which is a option without bending them. The slight bend in the axle can also be at a angle to reduce the contac with the inner wheel bore.
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.
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.
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.
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.
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.
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.
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 is the axle press world record?
Fans in attendance at Royal Albert Hall in London, England saw Sanou break Eddie Hall’s world record in the Axle Press by successfully lifting 217 kilograms (478.4 pounds) over his head to a full lockout.
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. No wheel mold is safe from flaws.
Why is my pinewood derby car slow?
Pinewood derby cars are gravity-powered vehicles. In every place where moving parts are in contact (wheels rubbing on the track, the axles, the car body, and the guide rails) friction is at work. Even the air flow over the car body is a form of friction that slows down the car.
What is the angle of a pinewood derby track?
The track should slope from about 30 degrees at the start line changing gradually to 0 degrees about 12 feet from the start line then the track should run flat to the finish line. The remainder of the track is an overrun area to allow the cars to stop.
Which wheel should be raised on a Pinewood Derby car?
Lift One of the Front Wheels, so it Doesn’t Touch the Track – If your competition allows it, raising one wheel is an easy way to reduce friction. Decide which wheel to lift by sending your car down a straight line and seeing which side of the line it drifts toward. If it drifts left, raise the left front wheel.
How can I make my Pinewood Derby car faster?
10 Tips and Tricks to a Fast and Cool-Looking Pinewood Derby Car 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 do you make a Pinewood Derby car go faster?
Build a Fast Pinewood Derby Car in 6 Steps Step 1: Reduce friction to speed up your car. Step 2: Lubricate Axles and Wheels. Step 3: Prepare and Polish Axles – Essential for Speed. Step 4: Balance and tune your Wheels to Maxiumize Speed. Step 5: Add Weight to Increase Inertia.
