RE: [TCML] Treadmill Motor Question

["Steve" <youngster@xxxxxxxxx>]

David,

Just center your flywheel on your rotor, clamp the two together, and drill
13 holes through both.  Then use machine screws with two nuts (for safety)
to fasten it.  If your machine screws stick out some, you can add more nuts
on a few of the screws to help balance your rotor.  This worked fine for my
RSG.

Steve Y.

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of David
Sent: Sunday, September 08, 2013 5:08 PM
To: Tesla Coil Mailing List
Subject: Re: [TCML] Treadmill Motor Question

Adam, 

I'm out of pocket as far as getting to it to look at it today but the shaft
looked to be 1/2" diameter with a pretty course left hand thread - about the
same as those on the end shafts of a typical bench grinder. I ended up
putting the wheel back on mine as the flywheel also acts as the cooling fan
and the motor guts get warm pretty fast when ran without the wheel in place.
Looks like drilling and tapping my wheel would be pretty dicey as there are
an odd 13 veins to circulate cooling air to the motor. Makes mapping out
evenly spaced "pie cut" lines to located drill points quite challenging for
my very limited machining skills :-( 

David

Sent from my iPhone

On Sep 8, 2013, at 9:08 AM, Yurtle Turtle <yurtle_t@xxxxxxxxx> wrote:

> David,
> Did you ever do anything with your treadmill motor? Looking at mine, I
think I could easily drill and tap the "fan/balancer", to attach my rotary
disk. I haven't unscrewed mine yet, as you did. What size is the shaft?
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