RE: synchronous motor

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Lau, Gary" <Gary.Lau@xxxxxx>

Hi Ed:

That was the original start cap - I removed it with the motor & relay
from the TTY myself.  Aren't electrolytic caps the norm for starting
caps?

Regards, Gary Lau
MA, USA

> Original poster: Ed Phillips <evp@xxxxxxxxxxx>
>
>
> My SRSG also uses a synchronous 3600RPM motor from an Teletype ASR33
TTY
> machine, but the wire colors and connectivity are different than
yours,
> as mine share a common terminal between the start & run windings.  It
> uses an 88-108 (!) uF start cap, and a special starting relay to
> energize the start winding/cap as the motor accelerates and draws more
> current."
>
>     Was that the original starting capacitor?  I've never seen a TTY
> motor using an electrolytic capacitor or one anywhere near that large.
> Ed
>
>
>