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Old Dec 13, 2013, 10:24 PM
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Canada
Joined Nov 2000
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Is this 40mm supposed to be like this?

Considering this (labeled as Mystery brand) unit, but the rotor seemingly has No rotor retention screw ? Does this mean the thing doesn't have the ali adapter (unlike my bought at HK one) and If so is this Aeo (?) rotor a glue on .. Suggesting a 3mm motor shaft ?
Or have they simply forgotten the screw?
Thanx
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Old Dec 13, 2013, 11:19 PM
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Hampton, VA
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Looks like 1st generation AEO. Press on, no rotor adaptor, screw on, etc.
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Old Dec 14, 2013, 12:13 AM
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United States, OH, Dayton
Joined Apr 2004
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So basically that rotor can work 2 ways, as a press fit without a setscrew when using a 3mm shaft. That is my guess here. The other option is when using a 2mm shaft adapter along with the required setscrew.
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Old Dec 14, 2013, 11:39 AM
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Canada
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Thank you..for the information... it helps.
Not a lot of product consistency ?
Will buy the thing as it's fairly inexpensive and free shipping
Although now I'm expecting the need to retrofit both an adapter and a stepped to 2 mm motor shaft . Or at least a threaded 3mm shaft.
I've found the simple/cheap C20 motor, once rewound, to be surprisingly capable having approached 300 watts happily, or at least sans drama... so far.
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