Pinewood Derby

[oldwelder]

Originally Posted by saute86

3 yrs 3 1st places. The yellow one was the fastest. Son dropped it and broke the rear spoiler and blower off. He worked 2 weeks on it with a dremel. Found a web site for all the tricks but cant remember the name. The under carriage is hollowed out to fit the weights. We distributed the weight even from front to rear to balance the car. This gives it a sling shot effect when the track levels out. Also set the axils so the wheels wobble slightly to prevent toe in and help with wheel alignment. Slightly bore the hubs so only the top wheel hub touches the axil. Sand the wheels as smooth as possible. Remember ground clearance,weight, balance, drag, and aligment is the key to win.

How old is your son ? Those cars look like some that beat ours at the cub -dad weekends.