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Re: [TCML] Secondary winding jig
I used a motor from an ice cream maker. That way I could stop it with my
hand and had no worries of burning it out. Pretty high torque, and not too
fast for the first timer. Although, I would imagine it would be a bit slow
for anything over 4".
T.J.Wenzel
----- Original Message -----
From: "Joe Mastroianni" <joe@xxxxxxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Monday, August 02, 2010 9:44 AM
Subject: Re: [TCML] Secondary winding jig
Hi Phil,
I have a Grizzly 4002 lathe but it's only got a 24" bed. That said, the
saddle feed is adjustable. I can imagine chucking the PVC pipe to the chuck
and running it slowly, but I don't have anything obvious to support it on
the other side. What do you suggest?
And I don't think I'd like to leave my lathe running all night
I did leave the motor running all night. It got hot (the stamp on it says,
"thermally protected") but still running in the AM.
Joe
On Aug 2, 2010, at 5:05 AM, Phil Tuck wrote:
I personally would want it turning about 4 times as slow as that - but I'm
old. The speed you can cope with is primarily dictated by the AWG your
using. It's very easy to get a crossed turn on smaller sizes. You then
tend to over compensate and you will find your leaving too much space in
between windings. Hold the finished secondary up to the light and you will
then see the gaps if your using clear tube.
Using a lathe is a good way on a big coil, as you can set the saddle feed
up so that it will wind it on automatically and give a nice packed
winding.
You also need the motor capable of being left to run unattended for some 8
to 12 hours while the varnish or epoxy dries afterwards
Phil
From: Joe Mastroianni
Sent: Sunday, August 01, 2010 10:38 PM
To: Tesla Coil Mailing List
Subject: [TCML] Secondary winding jig
Here's my attempt at a secondary winding Jig.
<http://yfrog.com/n6coilwinderz> I'm hoping to be able to wind up to an
8" form on this. The PVC on there now is 4" x 24".
The motor is an Oriental Induction motor I got at a surplus store, and as
such it's not speed adjustable. Though the torque is quite high - which
could be a downside if I wind up breaking wire - I'm hoping that by only
loosely afixing the PVC core to the rotating shaft (with masking tape) the
tape will give free before the wire breaks. The gray PVC endcaps have
been turned on my lathe and fit pretty snugly, though they will slip.
Hoping that will act as a "clutch".
Never did this before, so this is a Version 1.0.
Cheers,
Joe_______________________________________________
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Regards
Phil Tuck
www.hvtesla.com
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