[GreenKeys] Model 15 Governor motor Specs RQ

[John Lawson]

Ah: so….
Perhaps an isolation transformer of suitable wattage – a ‘travel transformer’ if an actual 2-winding device, not an auto transformer – with the shell earthed – might stop the tripping….

The motor doesn’t draw much at all – I’m not in my shop just now or I could look it up.

And IIRC there are gear sets for the 15 for 50/60 Htz….


Cheers
John



From: steve bennett <raleigh_ranger at yahoo.com>
Sent: Monday, January 20, 2025 2:04 PM
To: greenkeys at mailman.qth.net; John Lawson <john at tubetestingpros.com>
Subject: Re: [GreenKeys] Model 15 Governor motor Specs RQ

I think Bambi is down under. Not sure what power grid they use.
So would a synchronous motor be the correct RPM on Ausie power?
-Steve

On Monday, January 20, 2025 at 04:50:44 PM EST, John Lawson <john at tubetestingpros.com<mailto:john at tubetestingpros.com>> wrote:





Is the motor series-governed or synchronous?

And it could be the bypass capacitors themselves that are ‘leaky’ enough to trip a GFI.

Both style motors are fairly plentiful, and are easy to install. Might be better to try and find the whole assembly intact, rather than cowboy a ‘foreign’ motor into a Mod 15.

Further – at this juncture, you may wish to consider just replacing the motor with a ‘synchronous’ unit – this removes a layer of complexity and things that will eventually fail (brushes, governor parts, rubber tires and discs, resistors, etc.)

Unless you are doing a “100 point” restoration that is. Otherwise, a sync motor is a lot less hassle in the long run.



Just my 200 millidollars….



Cheerz

John KB6SCO

From: greenkeys-bounces at mailman.qth.net<mailto:greenkeys-bounces at mailman.qth.net> <greenkeys-bounces at mailman.qth.net<mailto:greenkeys-bounces at mailman.qth.net>> On Behalf Of bambi.page
Sent: Monday, January 20, 2025 12:23 PM
To: greenkeys at mailman.qth.net<mailto:greenkeys at mailman.qth.net>
Subject: [GreenKeys] Model 15 Governor motor Specs RQ



The motor on the Model 15 I am restoring trips the Ground Fault breaker even after replacing the filter capacitors, so I am looking sadly to replace it. Would a member know where the specs for this 1/25 HP motor including torque could be found?

The motor on the Model 15 I am restoring trips the Ground Fault

breaker even after replacing the filter capacitors, so I am looking

sadly to replace it. Would a member know where the specs for this 1/25

HP motor including torque could be found? Thank you -byes- bambi

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