[TowerTalk] Another Tailtwister question

[Roger D Johnson]

Jim Lux wrote:
> At 04:31 PM 11/29/2004 -0600, Bill Aycock wrote:
> 
>> Barry- I think the Cap is really a phase control in the reversing 
>> circuit, not a starting Cap.. The value may be more critical than for 
>> starting. Check the manual.
>> Bill
>>
>> At 06:49 PM 11/29/2004 +0000, Barry wrote:
>>
>>> Tnx for all the responses about my stuck rotor.  Of course, today, it
>>> is working just fine! However, I thought I'd replace the motor
>>> starting cap anyway, as it is 14 years old.
>>>
>>> The original cap is rated 130-156 mfd.  Is the value critical?  I
>>> have a motor starting cap here that's 88-108 mfd.  Is that close
>>> emough?
>>> Tnx,
>>> Barry W2UP--
>>> Barry Kutner, W2UP              Internet: w2up at mindspring.com
>>> Newtown, PA                     Frankford Radio Club
>>>

Hi Barry....

Many TailTwister users mount the capacitor at the rotor end. Electrical
supply houses carry the caps, mounting bracket and weatherproof cover.
This frees up two wires in the control cable which may be paralled with
other wires to increase voltage to motor or brake.
BTW the motor is a 2 phase unit and the capacitor is switched from one
phase to the other to provide phase shift for CW or CCW rotation.

73, Roger
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