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A shorty


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#1 havlicek

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Posted 08 March 2017 - 08:06 AM

This is another one of those projects I've done and figured it was time to revisit... a shorty C motor. The motor is about the same length as a Hawk, even with the taller endbell tower. Mags were cut to get things to "land" in a reasonable place, can is way-shortened, so the endbell can be the stock length... which is a good thing because of heat and all.

IMG_2011_zpsq81sxn9m.jpg
 
The arm will be a 38t/27 on a five-layer coil, wound on a .370" long blank. I could have gone to a .400" long stack, but opted to keep plenty of room on the tail-end of the arm. Instead of making a left turn at the top of the stack to get back to the comm, as would normally be necessary on an odd-number-layered coil, I used the last turn to get back diagonally. There's lots of ways to skin a cat when you're winding.

IMG_2012_zpswpzqvzsb.jpg
 
-john
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#2 Steve Deiters

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Posted 08 March 2017 - 03:51 PM

Voodoo arm winding little person size!


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#3 havlicek

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Posted 08 March 2017 - 04:47 PM

It's pretty much the same thing as the C-can sized strap motor I did a while back, Steve... with a teeny bit more steel. :)
 
-john
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#4 havlicek

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Posted 08 March 2017 - 05:33 PM

... and bam! Ready to go out for grind/balance. The little guy comes in at .134 ohms. which is way low for a #27, but not surprising considering the .370" long stack. I'm sure it will whistle the theme song from the Andy Griffiths Show... or something!

IMG_2013_zps0gumg3be.jpg
 
-john


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#5 Geary Carrier

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Posted 08 March 2017 - 06:56 PM

Hi John,

 

Macro Block to Micro Block...

 

Man, you got it going on...

 

Thanks,

 

g


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#6 havlicek

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Posted 08 March 2017 - 08:18 PM

Thanks, Geary. You know what they say about "idle hands"!   :)

 

 Lately I have a pretty good flow going where I do projects for me (meaning projects that I just want to do, not that I'll keep them) on the side of projects for other people. I have a couple of Hawk arms to do for a racer, and that doesn't take much head-scratching... so this little bad boy made it's way to the front of the line.   :)

 

-john


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