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For Sale: Big "You-Know-What" Motor Sale... part two - SOLD!


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#1 havlicek

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Posted 11 October 2017 - 03:03 PM

#3 Motor is a good ol' Mura C motor.  Of course, the setup has been gone over, but the grab here is I did one of my skewed-lam arms...this time a 37/27.  These arms run fast and smooth, with much less of the lightswitch effect.  For a road racer, this means better "driveability", for the drag racer this means better able to hook-up.  Price is $70

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#4 is a lovely Trinity C can motor, that got the bussbars and the can bearing dealio.  In addition, the can was milled-down on all five sides, a pretty significant "diet".  I stepped-up the heat-factor here and wound a 28/26.  This one might just "dim the lights in Fresno".  Price is $70
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John Havlicek




#2 munter

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Posted 11 October 2017 - 07:57 PM

Nice motors, John.

 

They are not my style being into 1/32 scale scratch builds I use piddler size motors but I have a question.

 

How do you chamfer the end of the motor shaft?


John Warren
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#3 gotboostedvr6

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Posted 11 October 2017 - 08:07 PM

He uses a LightSaber
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#4 havlicek

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Posted 12 October 2017 - 04:51 AM

Either a cutoff wheel or a diamond wheel.  It's necessary for pressing the lams, but sometimes also to make sure there's no burr on the end.


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John Havlicek

#5 munter

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Posted 12 October 2017 - 01:52 PM

Thanks for that...I guess the motor is running while you do it?


John Warren
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#6 havlicek

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Posted 12 October 2017 - 03:56 PM

NOOOO.  I do it before there is a motor.  In order to press the lams and have the shaft self-center, the shaft gets tapered/chamfered beforehand.


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John Havlicek

#7 munter

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Posted 12 October 2017 - 04:18 PM

OK, got it now.


John Warren
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#8 Bill from NH

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Posted 12 October 2017 - 06:57 PM

The chamfer helps when installing pinions, too. That and first deburring a pinion's bore.

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#9 havlicek

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Posted 15 October 2017 - 07:51 AM

Sale is closed!


John Havlicek





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