Brushless Motor Construction Discuss design and construction of custom Brushless motors

brushless in runner shaft swap

Old 10-13-2014, 12:35 AM
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Default brushless in runner shaft swap

Hello all!

I recently purchased several different 12mm sized inrunners from HobbyKing (turnigy 1220, 1230, and BL1230) which have 2.00mm shafts that taper to 1.48mm where you would attach a prop or gear to. I need a 2mm shaft the entire length but don't know how to open these motors as there is no obvious way to take them apart. Does anyone have any experience or advice?
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Old 10-13-2014, 10:37 PM
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On Turnigy motors that I have had to reverse shafts you just remove the keeper ring and collette and hammer it out or put in a vice and press.
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Old 10-13-2014, 11:20 PM
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That's the bit on not sure on. What are and how do I remove the keeper ring and collette?
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Old 10-14-2014, 02:30 AM
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INRUNNER > the shaft is generally fused/glued/permanently-attached to the rotating magnets. Chances are you are out of luck for shaft replacement.

Here's how you open them:
Motor Shaft Replacement

Best bet is something like Chellie is suggesting below.

Last edited by flydiver; 10-14-2014 at 04:46 PM.
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Old 10-14-2014, 10:34 AM
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1.48 mm _ 1.5 mm same thing, prop adapters, Hope this helps, Chellie
the hole is 1.5mm that will squeeze down onto a 1.48 mm shaft

DuraflyMicro Series - Replacement Propeller Adapter (US Warehouse) ... 8/9/2014. any with a 1.5mm prop shaft This fits the AP05-3000kv brushless motor.

Last edited by CHELLIE; 10-14-2014 at 11:05 AM.
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