Re: ARSG Motors (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Sun, 26 Aug 2007 17:35:36 +0000
From: David Rieben <drieben@xxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Cc: drieben@xxxxxxxxxxx
Subject: Re: ARSG Motors (fwd)

Hi Chris,  

Just to reinforce Drake's statement about many coils running at a
higher power than 1 kVA. Higher power levels require large com-
ponent sizes (disc diameter and flying electrode mass) and I believe
that another list member (Jim Lux maybe?) has mentioned that the 
power or torque requirement for a given rotary disc mass increases 
with the cube of the rotational speed (RPMs). So the bottom line is if 
you are running a high powered asynch coil system and want some 
pretty high rotary gap speed, it's going to require some substantial 
torque that a puny shaded pole motor just can't provide.

--
David Rieben

-------------- Original message -------------- 
From: "Tesla list" <tesla@xxxxxxxxxx> 

> 
> ---------- Forwarded message ---------- 
> Date: Sun, 26 Aug 2007 08:53:10 +0100 
> From: Chris Rutherford 
> To: Tesla list 
> Subject: Re: ARSG Motors (fwd) 
> 
> I suppose a little ARSG over-kill cant do any harm. 
> 
> On 8/26/07, Tesla list wrote: 
> > 
> > 
> > ---------- Forwarded message ---------- 
> > Date: Sat, 25 Aug 2007 20:06:12 -0500 
> > From: Drake Schutt 
> > To: Tesla list 
> > Subject: Re: ARSG Motors (fwd) 
> > 
> > On 8/25/07, Tesla list wrote: 
> > > 
> > > 
> > > ---------- Forwarded message ---------- 
> > > Date: Sat, 25 Aug 2007 20:54:17 +0100 
> > > From: Chris Rutherford 
> > > To: Tesla list 
> > > Subject: Re: ARSG Motors (fwd) 
> > > 
> > > I just used a 12 DC motor from a radio controlled car. I controlled its 
> > > speed with a variable DC supply. Was fine for my 1KVA system. Why do 
> > > these 
> > > things need to be so big? 
> > 
> > 
> > 
> > Because people run power levels greater than 1KVA? 
> > 
> > 
> > 
> > 
> 
>