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builders board => General Builders discussion => Topic started by: Jimboot on November 23, 2020, 06:30:33 AM

Title: Howard Johnson motor exploration.
Post by: Jimboot on November 23, 2020, 06:30:33 AM
Hi All I finally got around to printing some holders for magnets to experiment with the Howard Johnson motor. It's fascinated me for a long time. My last few weeks of testing
https://youtu.be/zMLaXisCdKc
https://youtu.be/-ZxrhGOdGzs
https://youtu.be/M_8FqfRWdQI
https://youtu.be/FXpjPZQQGIc


Here's my latest on it which I thought some of you may find interesting. https://youtu.be/iQPeQnAgO5k



Title: Re: Howard Johnson motor exploration.
Post by: synchro1 on November 23, 2020, 01:01:59 PM
1/2 a turn from the bottom an 1/2 top. 2 inverted rotor u's;
Title: Re: Howard Johnson motor exploration.
Post by: Jimboot on November 23, 2020, 07:59:12 PM
Thanks SYnchro. I'm building a tri-rotor arm tonight like the original patent had. I've tried the concentric 1/2 stator setup. Not sure your version of it would yield different results.
Cheers