Re: Motors for sync operation.

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 


Blaine's Farm & Fleet and also Tractor Supply Co. sell 1/4 hp 1725 rpm
motors for $49.95 that work great for synchro conversion to 1800 rpm.

Dr. Resonance
 >
 >    Lot's of talk about sync. motors lately.  Motors for sync. conversion
 > are cheap and
 > plenty.  Check  http//hometown.aol-dot-com/megaelectronvolt/page6.htm
 > There you will find my latest sync. conversion.  It is a $24.00 Harbor
 > Frieght waterpump rated at 1/2 HP ( they say) but really is more like 1/4
 > HP I imagine.  Anyway pull the pump housing of the permanent split
 > capacitor induction motor and there you have a nice motor with ball
 > bearings, a TEFC motor at that (totaly enclosed fan over).  The armature
is
 > pulled out and 2 flats that are 1/3 the armature diameter are milled for a
 > perfect 3600 RPM sync motor.  These pumps are regularly $35.00, but on
sale
 > a lot of times for $25.00.  I also use this pump for my pond and swimming
 > pool, a great, cheap pump/motor for the price.
 >
 >    Wal Mart sells cheap box fans and some contain 1750 RPM perminant split
 > capacitor motors that do modify well for 1800 RPM sync.  They are not
 > internaly cooled however and need external air over cooling or short run
 > time. The motor manufacture is Lasco, look for a small box capacitor by
the
 > motor under the fan blade.  I bought a bunch last Summer for $14.00 each.
 >
 >   Cheap bench grinders also work well, the induction motor type as there
 > are some brush type bench grinders out there(older Sears).  Salvage yards
&
 > junk stores may have used induction motors, I find them everywhere for
dirt
 > cheap, $4.00 to $5.00 and most are ball bearing.  Add John Freau's
 > electronic phase control and presto, instant adjustable sync gap.
 >
 > Coiling in Oklahoma
 >
 > Kevin E
 >
 >
 >