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Sync Motors (fwd)



---------- Forwarded message ----------
Date: Sun, 28 Sep 1997 14:26:58 -0600 (MDT)
From: Chip Atkinson <chip-at-pupman-dot-com>
To: tesla-at-pupman-dot-com
Subject: Sync Motors

From: 	Mad Coiler[SMTP:tesla_coiler-at-hotmail-dot-com]
Sent: 	Thursday, September 25, 1997 10:14 AM
To: 	tesla-at-pupman-dot-com
Subject: 	Re: Sync Motors

>From: 	Kevin Radtke[SMTP:umradtke-at-cc.UManitoba.CA]
>Sent: 	Wednesday, September 24, 1997 9:51 AM
>To: 	Tesla List
>Subject: 	Re: Sync Motors
>
>Hello,
>	Is it possible to explain over e-mail how one could modify an AC 
>motor to make it run sync.  I'm still a little confused about the flats 
>on the armature etc.  Do you need special machining equip.?  What type 
of 
>motor is easiest to modify?  Any help greatly appreciated thanks. 
>
>Radtke
>
>p.s.  The other day my friend and I decided to wrap a basketball with 
>foil and see how it would affect our coils output if we used it as a 
>secondary terminal.  We were getting 14-15" discharges from the bolt 
>terminal, but the sphere reduced that to about 2"  :(  We of course 
>played around with re-tuning the coil but not much improvement was 
realized.
>Do you need to adjust the main cap. size when adding load to the 
>secondary with spheres and torroids?
>

Just a note on the later, when you add more top capacitance you decrease 
your resonant frequency. To compensate the primary, you typicaly change 
the primary coil tap so that it has more inductance. It is possible that 
you don't have enough turns in your pri coil to match the resonant 
frequency of the secondary with the al ball. For a more detailed 
explenation I would need more info - and I'm sure others are much more 
knowledgable on the matter.

My $0.02
Mad Coiler