Re: [TCML] How To Turn A Vacuum Cleaner Motor Into A Synchronous Motor

[Clive Penfold <clivepenfold@xxxxxxxxxxxxxx>]

Have just checked with a scope using a pickup coil looking at a magnet on one 
channel, and the mains on the other and it is synchronous

Clive





________________________________
From: Brandon Garretson <garretsontech@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Monday, 6 December, 2010 22:55:59
Subject: Re: [TCML] How To Turn A Vacuum Cleaner Motor Into A Synchronous Motor

On Mon, Dec 6, 2010 at 4:24 PM, Teslalabor <teslalabor@xxxxxxxxxxx> wrote:
> I also think it doesn't work even if the motor runs @ 3000rpm. You have to
> check it with a scope, attach a disk with neodymium magnets to the modified
> motor, wind a small coil and check the phase on the scope.
>
> Stefan
>


Or if you dont have access to a scope, lock onto it with an adjustable
strobe light and watch it for a few seconds.
If you cannot get it to appear stationary then it is not synchronous.
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