Working With the Sevcon Gen4 Controller (and a NOT AN ETEK MOTOR)

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Daniel J. Gonzalez (I’m pretty sure of the MIT EVT team) has put together a lengthy post on his trials and tribulations in getting his Sevcon Gen4 to run his MOTENERGY BLDC motor, and anyone who uses the phrase “…a royal pain of finicky finickage” deserves a link and a post, as far as I’m concerned.  I’m posting it here for future reference: EtekChopper: Using the Sevcon Gen4 Motor Controller.

It’s a lot to hammer through, but a really great introduction.  Kind of a “If you don’t know how much you don’t know, well, here’s an idea…” sort of post.  My first reaction is to simply conclude it’s a hell of a lot easier for normal people (read: Not an Engineer or at MIT or Some Similar Institution) to simply order the motor/controller from a reputable dealer who will set it up for you, but, well, where’s the fun in that?  Other than being able to ride your bike probably about six months sooner.

This came to me via ‘Berto’s Cholocycle, which he took for his first ride around the block this past weekend: Thoughts of a curly Salvadorean sailor wearing Crocs.  Who’s next project, I’m told, will be “Harvey the Harley”.  I can’t wait…

For those interested, here’s a bit on the Motenergy line of motors that Dan’s using: Motenergy Releases New Line of Sine/Cosine Motors.  Why the hell he’s calling them ETEKs I don’t think I’ll ever quite grasp.  These don’t even resemble the ETEK motors of Yore.  For the whole story on the ETEK, see my post “A Short Primer on the History of the Etek Motor, and Other Tales“.

 

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