Monthly Archives: December 2020

Pinewood Derby Wheel Tester Stand – Check for Wobble

Pinewood Derby Wheels Wobble

Pinewood Derby Wheels Wobble – How to Check Pinewood Derby Wheels Wobble are a very common issue.  Derby wheels are made with an injection molding process.  Because they are not machined from raw material, flaws such as concentricity (wobble) will cause a wheel to wobble because the bore is not aligned with the outer diameter.  […]

Copyright © 2012-2021 Machine Envy, LLC.  All Rights Reserved.  Derby Dust® is a registered trademark of Machine Envy, LLC.

Machine Envy, LLC is neither affiliated with nor endorsed by the Boy Scouts of America. Pinewood Derby® is a registered trademark of Boy Scouts of America.

Derby Worx® is a registered trade mark of Derby Worx, Inc. Rail Rider™ is a registered trademark of Derby Worx, Inc.

Awana® is a Registered Trademark of Awana Clubs International. Machine Envy, LLC is neither affiliated with nor endorsed by the Awana Clubs International.