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Rimfire 300 - Number of Windings?

Old 12-26-2015, 08:57 AM
  #1  
guitardude
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Default Rimfire 300 - Number of Windings?

I've got a Rimfire 300 that I just rewound and it wont run. When I apply voltage to the motor through the ESC it just vibrates like one of the leads is broken. I've rewound this motor twice so far using 32 Awg wire and 20 turns on the stator. When I was taking the motor apart, the original windings were glued to the stator so I had to sort of cut them off with an Xacto knife, so I'm unsure of how many windings the stator had originally. Therefore I'm not exactly sure how many turns the stator had on it. I've rewound a couple of micro out-runners with 16 turns and they seem to work fine and I've done some additional reading on rewinding brushless motors and now I'm thinking I may have two few or too many turns.Also, I metered connectivity with my DVOM and everything checks out fine.

Does anyone have any experience rewinding a Rimfire 300, if so I would like to know how many turns and wire gauge you used.

Any information is GREATLY appreciated.

Thanks!

David
Old 01-10-2016, 05:30 AM
  #2  
ron_van_sommeren
 
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You did not mix up the starts and ends of the three phases by any chance David?

Checks and tests in opening post, starting at item #25
(Re)winding and building motors, tips & tricks, checks & tests (sticky)

Winding diagram 'calculator'
www.bavaria-direct.co.za
→ winding schemes

You could do a quick'n dirty 10 or 20 wind with thin wire, determine Kv , a simple multiplication and division will give you #winds for desired Kv. Explained in sticky mentioned above under item #10.

Several Rimfire problems&rewinds.

Vriendelijke groeten Ron

Last edited by ron_van_sommeren; 01-10-2016 at 12:24 PM.

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