Are there any comments on machining flats on the rotor of an induction
motor. I understand that has been done with some success. Most of the
issues I have seen are about the machining.
Teddy
On Tue, Feb 16, 2021, 8:56 AM Matthew Edwards <matthew.n.edwards@xxxxxxxxx>
wrote:
> I know this was not what you were looking for in regards to an answer but
> how about winding your own? You would learn a hell of a lot in the
> process... Who knows, it might spark ideas for future projects :)
>
> On Mon, Feb 15, 2021, 9:08 PM Steve White <steve.white1@xxxxxxxxx> wrote:
>
> > My method was similar but a little riskier. I timed it with the 4 flying
> > electrodes in place. I used one of those U-shaped optical
> > transmitter/receivers that allows the tungsten electrode to pass through
> > it. The clearances are tight.
> >
> > Steve White
> > Cedar Rapids, Iowa
> >
> > ----- Original Message -----
> > From: "shaun" <snoggle@xxxxxxxxxxxxxx>
> > To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> > Sent: Monday, February 15, 2021 12:41:26 PM
> > Subject: Re: [TCML] sync motor
> >
> > I have two holes in the rotor (for 120 bps). On one side of the spinning
> > rotor I point a sk2035a photo transistor through the hole on the rotor
> and
> > on the other side the detector. When it spins sends a pulse to the scope
> > which is triggering on line to a old transformer the other channel has
> the
> > rotor pulse. Overlap the two channels and align. Works very well and is
> > fun.
> > Later on.
> >
> >
> >
> > -----Original Message-----
> > From: Tesla [mailto:tesla-bounces@xxxxxxxxxx] On Behalf Of Gary Gaspar
> > Sent: February 15, 2021 12:49 PM
> > To: Tesla Coil Mailing List
> > Subject: Re: [TCML] sync motor
> >
> > Shuan yes it is a hard thing now to find. Can give problems finding the
> > sweet spot. My comment had fun with strobe light & the SRSG with the
> sweet
> > spot.
> >
> > On Sun, Feb 14, 2021 at 10:19 AM shaun <snoggle@xxxxxxxxxxxxxx> wrote:
> >
> > > I have read the archives for days looking for leads on cheep sync
> motors,
> > > always day or several years too late to get in on the action. I have
> been
> > > looking at the oriental motors that are synchronous but don't lock at
> the
> > > same phase each time, so I would have to use a 1800 rpm with 4 contacts
> > for
> > > 120 bpm so where ever it locked would be in sync, assuming 90 degree
> > locks.
> > >
> > >
> > >
> > > I have purchased from ebay, 2 of the teletype motors and they work very
> > > well, but the ones that are there now, are way too pricey.
> > >
> > >
> > >
> > > Anyone have any to sell, or a tip on where to get one. I followed Dr
> > > Resonants leads on motors he talked about, but just another dead end. I
> > > don't really want to machine one up, but I guess that is a option.
> > >
> > >
> > >
> > > Thanks all.
> > >
> > > _______________________________________________
> > > Tesla mailing list
> > > Tesla@xxxxxxxxxxxxxxxxxx
> > > https://www.pupman.com/mailman/listinfo/tesla
> > >
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxxxxxx
> > https://www.pupman.com/mailman/listinfo/tesla
> >
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxxxxxx
> > https://www.pupman.com/mailman/listinfo/tesla
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxxxxxx
> > https://www.pupman.com/mailman/listinfo/tesla
> >
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxxxxxx
> https://www.pupman.com/mailman/listinfo/tesla
>
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxxxxxx
https://www.pupman.com/mailman/listinfo/tesla