How Much Clearance Under Pinewood Derby Car
How Much Clearance Under Pinewood Derby Car. Your car should measure 7” long by 2 ¾” wide. Answered on jan 12, 2022.
Pure graphite with zero additives is the best graphite dry lube. Below is a list of common rules for pinewood derby. Unless prohibited by the local rules, raise one front wheel to get a little extra dose of performance.
Most Pinewood Derby Rules Have A Minimum Clearance Restriction Under The Car Of 3/8.
The car must have 1 ¾” clearance between the wheels. Don’t let your car design be accidental. A pinewood derby car is a 5 oz rolling application.
The Overall Length Of The Car Shall Not Exceed 7 Inches.
It’s great that you’re helping your son make his pinewood derby car! In a nutshell, the lower the center of gravity, the more stability your car has throughout the race. Wood holds water, and water adds weight.
More Information On Pinewood Derby Bottom Weights.
Most troops will set a weight limit of five ounces for pinewood derby cars. Molybdenum disulfide is harder than graphite. The car must have 3/8” clearance underneath the body so it does not rub on the center guide rail.
The Car Must Have 1 ¾” Clearance Between The Wheels.
You’ll need to check with your troop for an exact weight limit, but most leaders will set a five ounces. Pure graphite with zero additives is the best graphite dry lube. Here is a list of award categories used by cub scouts, royal rangers, ymca’s (y guides, adventure guides) and many other groups.
Place As Much Of The Weight As You Can Approximately 1” In Front Of The Rear Axle.
The car must have 3/8” clearance underneath the body so it does not rub on the center guide rail. A derby race is 3 seconds in length with a top speed of 20 mph at a car’s top speed. In my simple wedge design, i had only 1.32 ounces of wood weight after cutting the wedge and milling out the space for tungsten weight cubes.
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