[GreenKeys] AC Sync Wire Lead

drlegendre . drlegendre at gmail.com
Sun Nov 27 21:03:56 EST 2016


@Kevin

Referring to the diagrams Ed posted?

You realize that's the +entire+ chassis wiring scheme, for AC or DC, right?
Simplified motor-only diagrams are below each, respectively.

@Ed / all

So even the AC version uses some sort of governor - no synchronous motors,
yet?

On Sun, Nov 27, 2016 at 6:27 PM, Kevin DeWitt <kevin.dewitt at gmail.com>
wrote:

> That is what you call, "above my pay grade."
>
> Kevin - ww2tty
>
> *My God, it's full of wires...*
>
> On Sun, Nov 27, 2016 at 1:09 PM, drlegendre . <drlegendre at gmail.com>
> wrote:
>
>> You'll be just fine with 18ga. Take a look at this AWG rating table:
>>
>> http://www.powerstream.com/Wire_Size.htm
>>
>> 18ga. = 16A max / 16ga = 22A max (for chassis wiring). Even the 18ga is
>> good for like 10X the average current for that motor, which I'd guess is
>> 1.5A or so?
>>
>> On Sun, Nov 27, 2016 at 11:09 AM, Ed Sharpe Archivist for SMECC via
>> GreenKeys <greenkeys at mailman.qth.net> wrote:
>>
>>> KEVEN - ABOVE PHOTO  INLINE HERE IS  2B  WIRING ONE  WITH AC  MOTOR AND
>>> ONE  WITH DC MOTOR IF THIS  IS NEEDED  THERE U  GO!  ED# WWW.SMECC.ORG
>>> <http://www.SMECC.ORG>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> In a message dated 11/27/2016 9:37:20 A.M. US Mountain Standard Time,
>>> greenkeys at mailman.qth.net writes:
>>>
>>> did  the DC motor  die  or  were you looking  for lower  RFI without the
>>> governor?
>>>
>>> In a message dated 11/26/2016 7:15:44 P.M. US Mountain Standard Time,
>>> kevin.dewitt at gmail.com writes:
>>>
>>> Greetings
>>>
>>> My latest WU 2B with the 3A Gumming Table is getting a new-to-it AC
>>> Synchronous Motor. Upon attempting the install it has been determined that
>>> the cloth covered wire insulation on the leads is much crunchier than I
>>> like. The leads appear to be about 16 gauge. The leads on the other 2B I
>>> have are closer to 18 gauge. I checked it with a meter and it wasn't
>>> shorted but I do not trust it.
>>>
>>> So, it seems to me like the next step would be to (gently) pull the fan
>>> and attack it from that end but wasn't there some discussion about
>>> difficulty in (pulling the fan) several years ago? I tried to search the
>>> archives but found nothing. So, rewire or no and if so can i get away with
>>> 18 gauge?
>>>
>>> Motorless in Ohio
>>>
>>> Kevin/ww2tty
>>>
>>>
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>>
>>
>
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