[GreenKeys] GreenKeys Digest, Vol 99, Issue 35

[John Nagle]

On 4/21/2012 9:02 AM, greenkeys-request at mailman.qth.net wrote:
> From: "Derek Cohn/WB0TUA"<vibroplex at mindspring.com> Subject:
> [GreenKeys] Signal Corps Synchronous Motor Model 14 TD
> To:<greenkeys at mailman.qth.net>
> Message-ID:<39FB09E9C25F42BC800250181A381E10 at DereksPCPC>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi Everyone,
>
> This week, I picked up a Model 14TD that looks to me like it's
> powered by a Synchronous motor rather than the "regular" kind.  I
> hope I'm using the correct terms.  I think this is one that is
> adjusted with a tuning fork.

    That's a "governed" motor.

    A synchronous motor can be substituted for it if desired.
All Model 14 and 15 motors are interchangeable, from 1924
to 1959.

				John Nagle