3d Printed Test Stand with oversized axle to sort out Pinewood Derby Wheels that wobble due to bore not in alignment with tread.
How to Polish Your Pinewood Derby Car's Axles and Wheels – Scout
Pinewood Derby Times, Volume 18, Issue 3
Fastest Pinewood Derby Wheels
Pinewood Derby Speed
Fast Winning Pinewood Car for Derby by Shopvelox Car Rail Rider 3
Fully Built Pinewood Derby Car - The Blue Flash
Pinewood Derby Times Volume 5, Issue 2
Derby Car Stand
Winning Pinewood Derby Wheels, Designed for Speed