Recent content by BradleyP50

We polished the axles to 2000 grit and buffed with a polishing compound, but didn’t spend too much time on the bores. We tuned the cars that we have built so far to 1” over 4’-0”. From what I have seen on this forum, it should be 4” to 5”. I guess a concern I have on the center of mass...

We can only use graphite. I’ll add tape to our next build.

My son and I have competed in our Pack's Pinewood Derby race for the last two years and placed first. Our time has been approximately 3.2 seconds Our first car focused on a wedge design with a tungsten skull weight. We put the center of mass 1" in front of the rear axles, polished the axles...