Teletype - test-drb@ccmp.vtda.org

4 Jun 2003

Hi
 The right idea, wrong direction. I would think that a
60Hz inverter would work fine. You could get one of those
automatic leveling battery chargers, a small gelcel and
a 60Hz inverter.
Dwight

...
 From: "Bryan Blackburn"
&lt;oldcomp(a)cox.net&gt;

Wouldn't it be so much easier to make a power inverter to run at 50 Hz 
and save all the time and expense of finding gears & etc. & etc.?? I 
have a power inverter that would be a simple cap change (two of them) to 
run 50 Hz. Output power is about 250 Watts now, maybe 175-200 at 50 Hz 
(or would it be more?)? How much power does a 33 take? Discuss...

-Bryan

Tony Duell wrote:

  Hi
 One could buy a new pulley and add some additional capacitance

IIRC, the coupling between the motor and the rest of the mechnism 
consists of a pair of helically-cut gears on the end of the motor (one on 
the motor spindle, the other on a separate spindle). The driven gear is 
moulded integrally with a sprocket for a toothed belt that goes to a 
larger sprovket on the transmitter shaft.

The gears are almost certainly custom parts and would not be easy to get 
now (unless you know of a souce of Model 33 parts...). Making them would 
also be non-trivial, I think, at least in most home workshops.

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