Table of Contents
How tight should wheels be on pinewood derby car?
How close should pinewood derby wheels be to the car? The hub of the wheel should be a credit card thickness (about . 03″) away from the car block but can be as much as . 1″.
Can you glue axles on pinewood derby car?
For pinewood derby cars, white glue works fine for gluing wood to wood (such as adding wood accessories) and for repairing chips or cracks in the wood. It can also be used for holding the axles in place. One benefit of hot glue is the very fast dry time (but you have to work fast).
Can you modify Pinewood Derby wheels?
Car Modifications Not Allowed Wheel bearings, washers, springs and bushings are prohibited.
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.
Where should the center of gravity be 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 is the best place for 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 can I make my Pinewood Derby wheels faster?
5 Quick & Easy Tips For Improving Your Pinewood Derby Car’s Speed 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.
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.
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.
What size is a #44 drill bit?
The #44 drill bit (. 086 inch OD) is the standard bit used for nail axles from Cub Scout kits and other kits. It can be used to drill axle holes, or to create pilot holes in the standard axle slots.
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.
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.
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.
What kind of wood is used for Pinewood Derby cars?
Pine – Any of a variety of soft, light-colored woods used for pinewood derby kits. Ponderosa Pine – A soft western pine. Sugar Pine – A soft, western pine noted for a sweet smell. White Pine – A soft eastern pine.
What is the best graphite for Pinewood Derby?
Another bonus tip is to look for ultra fine graphite. It has a smaller grain than flake graphite and is an all around better Pinewood Derby car lubricant. It’s even better if it’s mixed with Molybdenum! Again, check your race rules to make sure you aren’t using any prohibited lubrications.
How do you weight a derby car?
Place a pencil under and across the car one inch in front of the rear axle. This is where the car should balance. Place the flat weight on the top of the car and move it forward and back until the car balances on the pencil. This is where the flat weight should be placed under the block.
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.
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.
Can you spray paint a Pinewood Derby car?
Can You Spray Paint A Pinewood Derby Car? Yes, of course. Spray paints always add more areas to cover. In the case of the application method, it’s the easiest.
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.”Jan 21, 2015.
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.
Is Pinewood Derby only for Cub Scouts?
Pinewood derby is a registered trademark of the BSA, so most use different names. Each derby has slightly different rules for making and racing their cars. Pinewood derby Petty Superbird Owner Boy Scouts of America Country United States Dates Annual.
How long does Pinewood Derby last?
How long does it take to run the race? From user reports, with the RaceManager each heat should last about two minutes (or less!) per racer. See Running the Race for an explanation.
What size is drill F?
Letter Drill Sizes Drill Inch mm F 0.257 6.53 G 0.261 6.63 H 0.266 6.76 I 0.272 6.91.
What size is a #1 drill bit?
Downloadable versions: Drill size Diameter (in) Diameter (mm) 1 mm 0.0394 1.0000 #60 0.0400 1.0160 #59 0.0410 1.0414 #58 0.0420 1.0668.
What drill bit is 5mm?
Standard metric drill bit sizes Drill size Diameter (in) 4.9 mm 0.1929 5 mm 0.1969 5.1 mm 0.2008 5.2 mm 0.2047.
What are the official dimensions for a Pinewood Derby car?
The overall length of the car shall not exceed 7 inches. The overall width of the car shall not exceed 2 ¾ inches. The width between wheels must have 1 ¾” clearance. The car must have 3/8” bottom clearance underneath the body.
