My nephew asked me to help with his pinewood derby car.?
My nephew asked me to help him with his pinewood derby car for cub scouts. I know it needs to weigh no more than 5 ounces and should be very air dynamic. Has anyone ever made a amazingly fast car?
Here's the fastest Pinewood Derby car around....
http://cgi.ebay.com/ULTRA-FAST-PINEWOOD-DERBY-CAR-BUILT-by-PHYSICS-TEACHER_W0QQcmdZViewItemQQcategoryZ2595QQihZ014QQitemZ330197566570QQrdZ1
Copy it.
Aerodynamics plays VERY LITTLE factor. Weight helps, but only 1/25 of a second at worst.
What really matters is the use of Graphite on the axle (Oil is against the rules). Coat the axle with graphite. Put the wheel on the axle then put the axle into a slow speed drill. Work the drill with graphite for about a minute.
Put the wheel/axle assembly onto the car properly. Not too close, but definitely not to far from the car body. Make it almost touch.
Do not super-glue the axles yet!!!
Now, test the car on a flat surface. Make sure that it does not veer or stray away. Do several test, including a sloped ramp. Each time you test the car, you can tweak the axles. Usually they will straighten themselves with a few runs.
Now carefully glue the axles in place.
P.S. Polish any burrs or snags off, from the plastic wheels.
Good Luck
 |
 Pinewood Derby Car Fast Speed Design With Video Documented Times $99.95 Time Remaining: 8h 12m Buy It Now for only: $129.95 |
 Pinewood Derby Car Fast Speed Design With Video Documented Times $99.95 (1 Bid) Time Remaining: 8h 31m |
 Pinewood Derby Car Fast Speed Design With Video Documented Times $259.95 Time Remaining: 18h 58m Buy It Now for only: $299.95 |
 Pinewood Derby Car Fast Speed Design With Video Documented Times $349.95 Time Remaining: 18h 58m Buy It Now for only: $389.95 |
 Pinewood Derby BSA Finest Axle File Swiss Made $24.95 Time Remaining: 6d 8h 36m Buy It Now for only: $24.95 |
 Pinewood Derby Physics Car Production Ready to Race Project Kit Turnkey $69.95 Time Remaining: 8d 7h 6m Buy It Now for only: $69.95 |
 Awana Pinewood Derby Physics Car Fast Affordable $69.95 Time Remaining: 11d 3h 55m Buy It Now for only: $69.95 |
 Pinewood Derby BSA Wheel Axle NEWMOLD Fastest 30000 grit prep $29.95 Time Remaining: 15d 22h 25m Buy It Now for only: $29.95 |
 5 Pinewood Derby Speed Secrets books $64.95 Time Remaining: 18d 3h 55m Buy It Now for only: $64.95 |
 Pinewood Derby Speed Secrets $12.99 Time Remaining: 18d 3h 55m Buy It Now for only: $12.99 |
 Pinewood Derby Designs And Patterns $12.99 Time Remaining: 18d 3h 57m Buy It Now for only: $12.99 |
 Pinewood Derby DuPont Krytox 100 Oil Lubricant 1 2oz $24.95 Time Remaining: 18d 9h Buy It Now for only: $24.95 |
 Pinewood Derby DuPont Krytox 100 Oil Lubricant 1 8oz $9.95 Time Remaining: 18d 9h 4m Buy It Now for only: $9.95 |
 Pinewood Derby Car Graphite Hub Packing Kit Gap Gauge Axle Install Tool Polish $10.95 Time Remaining: 18d 9h 6m Buy It Now for only: $10.95 |
 Pinewood Derby BSA Dual Purpose Axle Install tool $7.49 Time Remaining: 18d 9h 11m Buy It Now for only: $7.49 |
 Pinewood Derby BSA Wheel Axle NEWMOLD Fastest OIL PREP $29.95 Time Remaining: 20d 1h 17m Buy It Now for only: $29.95 |
 Pinewood Derby Car BSA Best Wheel Tungsten Disulfide Powder Dry Lube WS2 $6.95 Time Remaining: 21d 7h 33m Buy It Now for only: $6.95 |
 Pinewood Derby CAR BSA Grooved Modified Speed Axle Set Outlaw Dry and Oil Prep $19.95 Time Remaining: 21d 7h 55m Buy It Now for only: $19.95 |
 Pinewood Derby BSA Wheel and Axle NEWMOLD Fastest LEGAL $25.95 Time Remaining: 23d 10h 47m Buy It Now for only: $25.95 |
 Pinewood Derby Car Awana Axles Wheels Speed Fast Modified Lathed Machined $27.95 Time Remaining: 24d 4h 39m Buy It Now for only: $27.95 |
 Pinewood Derby Physics Car Production Ready to Race Project Kit Turnkey $74.95 Time Remaining: 25d 21h 28m Buy It Now for only: $74.95 |
 Wood Pinewood Derby Stand $2.00 Time Remaining: 26d 18h 55m Buy It Now for only: $2.00 |
 Wood Pinewood Derby Stand $2.00 Time Remaining: 26d 19h Buy It Now for only: $2.00 |
 Wood Pinewood Derby Stand $2.00 Time Remaining: 26d 19h 18m Buy It Now for only: $2.00 |
 Wood Pinewood Derby Stand $2.00 Time Remaining: 26d 19h 20m Buy It Now for only: $2.00 |
 Wood Pinewood Derby Stand $2.00 Time Remaining: 27d 42m Buy It Now for only: $2.00 |
 Wood Pinewood Derby Stand $2.00 Time Remaining: 27d 44m Buy It Now for only: $2.00 |
 Pinewood Derby Car Wheel Axle Install Tool With Gap Gauage no more hammering $15.95 Time Remaining: 27d 8h 29m Buy It Now for only: $15.95 |