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Ace Hardware grinder Sync conversion?
- To: tesla@xxxxxxxxxx
 
- Subject: Ace Hardware grinder Sync conversion?
 
- From: "Tesla list" <tesla@xxxxxxxxxx>
 
- Date: Mon, 18 Jul 2005 17:16:28 -0600
 
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- Delivered-to: tesla@pupman.com
 
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- Resent-date: Mon, 18 Jul 2005 17:16:39 -0600 (MDT)
 
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Original poster: "Jim Mora" <jmora@xxxxxxxxxxx>
Hello All,
Recently, side jobs are increasing cutting into my retirement time, 
so my DC coil work/play is getting side lined for awhile. 
Consequently, I was wondering if a relatively new 3450 1/3 horse 
power 3.5 amp inexpensive grinder from Ace Hardware (China) could be 
converted to a 3600 synchronous motor. There is no endplay and it 
runs smooth. As this may be temporary, I don't want to fiddle with 
phase control and such and am willing to make a few starts to get on 
the AC peak.
I bought a 1/2 Hp 5/8" as everything is way less Flimsy and therefore safer.
The shaft is 1/2" which is the way my rotor is set up  There is no 
apparent startup cap although I have not disassembled the base. It 
will have to have enough torque after the modification to sync up a 
11.75" 3/8" G10 disk with 12 nut cinched  3/8" brass all tread 
mounted 1/8" X 1.5" tungsten electrodes. (since this would run 720 
BPS! I will probably remove half of them)
In know this subject has been thoroughly milked; but, I know enough 
to be dangerous with AC motors:-)  I guess I could run async; 
however, I would rather not subject my new CD caps to that perceived abuse?
If anyone has tried this conversion with this setup I would 
appreciate taping your experience or if the motor is unsuitable, 
comments would be welcomed.
Regards and Long Sparks,
Jim Mora
Ojai,Ca.