In this photo, Christopher is inspecting his axels at the Pinewood Derby Car clinic sponsored by his Cub Scout Pack. The Pinewood Derby Car kits provide you with 4 plastic wheels, 4 small nails, a block of wood, some stickers and instructions. The nails have tiny (and I do mean tiny) bumps under the head that need to be removed. Using a lathe at 2,500 RPM, you can take those off pretty quickly. By polishing on a lathe, and then subsequently inspecting, you cut down on the friction and produce a faster car.
Seriously.
1 comment:
Thanks for the updates!
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