Re: [TCML] How much CFM is needed for an RQSG on a 12/60 powered coil?

["Drake Schutt" <drake89@xxxxxxxxx>]

Vin-

The less surface area your spark gap electrodes have, the more air you need
moving across them.  For example a RQ style gap might only require a low
power muffin fan but a vacuum or leaf blower motor would be more appropriate
for a single static gap.  I find that it's better to over build something
than to under build it.  If your cooling fan is too big you can always use a
variac or light dimmer to slow it down.

Just my 0.02,
Drake Schutt

On Feb 10, 2008 2:22 PM, <Mddeming@xxxxxxx> wrote:

>
> Hi Vinnie,
>
> I think you have asked one of the quantitatively least-studied Tesla coil
> related questions. I think the best information you will get is someone
> saying
> "I used this size and I've had no problems yet." You will then have to
> guess
> how  closely your gap resembles theirs. An analytical answer would depend
> on
> the  shape, size, material and orientation of each component of your gap
> well as
> the  ambient conditions, as it involves conduction, convection, and
> radiation
> in  three dimensions, where the energy being dissipated can only be
> estimated, and  the properties of the materials change with time and
> oxidation - not a
> trivial thermodynamics problem. This is still in the "cut and try" state
> of
> the  art.
>
> Matt D.
>
>
>
>
> In a message dated 2/10/08 8:31:18 A.M. Eastern Standard Time,
> teslatech@xxxxxxxxxxx writes:
>
> Hi  Guys
>
> I'm building a new RQSG and want to use a muffin fan rather than a  vacuum
> or blower. I was wondering if anyone knows how much air flow I  might need
> for this?
>
> Vinnie
>
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