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Re: Found: Sync Motors??
Original poster: "G by way of Terry Fritz <twftesla-at-uswest-dot-net>" <nieporgo-at-email.uc.edu>
>Original poster: "Jon Tebbs by way of Terry Fritz
>Hi Greg & all,
>It appears you have found precisely the same motor that I used
>my SRSG. Check the P/N on the label: 252193. It has ball bearing construction
>and a strong spring behind the rear bearing to keep the armature loaded
>I can vouch for this little gem in it's ability to spin a moderate
>More than adequate torque for the job. This motor does seem to qualify as
>salient pole. Please refer to these photos of the armature and note the four
>distinct quadrants bounded by aluminum:
>For the benefit of others who may be interested, this motor measures about 3
>inches in diameter by 4.5 inches long and is a mere one thirty fifth H.P. The
>shaft, 5/16 inch diameter, is barely 5/8 inch long necessitating an
>design. For photos of this SRSG, please refer to:
>The lexan rotor measures 3/8 inch thick by 6 inches diameter with
>four 1/8 inch
>tungsten electrodes mounted in 1/4-20 brass holders. The finned heat sinks are
>also from MECI, P/N 310-0028, a bag of ten for $5.00.
>Best of luck Greg, please post of your results.
>Jon G. Tebbs
>Tesla list wrote:
>> Original poster: "G by way of Terry Fritz <twftesla-at-uswest-dot-net>"
>> Hello All,
>> I was doing some browsing the other day at MECI surplus. I came
>> across several sync motors and I am curious if these are the type
>> that work properly in SRSG service without further modifications.
>> Here is the nameplate data:
>> Terminal Data Corporation
>> Sync Motor
>> 115 VAC 60 Hz
>> 1500/1800 RPM
>> 5 MFD
>> I seem to remember these as Teletype motors? It is about 1/15 - 1/20
> > hp size or so.
Great! It sound like a perfect fit for my 15/60 setup. If anyone else
is looking for a motor like this, send mail, I'm sure they're gonna
sell these for less than $20 each ( They sell brand new 3/4 hp motors