RE: Static gap.

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

Original poster: "Lau, Gary" <gary.lau-at-hp-dot-com> 

I don't think it's possible to ballpark CFM based solely on power level.
The required CFM would be dependant upon the gap geometry.  In my sucker
gap, all of the airflow is concentrated in a very small region where the
arcing occurs.  If one were using a multi cylinder gap, the air flow is
spread out over a much larger area than where the arcing occurs.  I have
not experimented much with varying airflow through a cylinder gap (I
prefer the sucker gap for higher power levels) so I can't comment on
what may be the proper amount, beyond some is better than none.  In any
case, I think the answer will be "build it, see what happens, and tell
us about it".

Gary Lau
MA, USA

Original poster: "Luke" <Bluu-at-cox-dot-net>

I am in the process of working out the details for a single gap static
gap.

I plan on using some air flow to help quenching/cooling.  I have ran
across a few posts in the archives talking about using air to help with
quenching.  In some of the posts it is noted that the air flow was
varied and that the amount of airflow does not seem to change
performance much after a certain level is reached.  This level seems to
be a small percentage of what the builder designed the airflow maximum
to be.

Any one have a suggestion as to what CFM range I might shoot for with a
static gap operating at around 1350 watts?

Luke Galyan
Bluu-at-cox-dot-net
http://members.cox-dot-net/bluu

-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com]
Sent: Friday, February 20, 2004 8:33 PM
To: tesla-at-pupman-dot-com
Subject: Re: Static gap.

Original poster: "John Richardson" <jprich-at-up-dot-net>

Hi Luke,

There really is no preferred length.  I personally would use a bunch of
six
inch lengths, as this provides more surface area for gap travel, and
also
increases the mass of copper for heat distribution.

John Richardson
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, February 20, 2004 7:46 PM
Subject: Static gap.


   > Original poster: "Luke" <Bluu-at-cox-dot-net>
   >
   > Looked around the archives and have not found any reference to what
is the
   > preferred length of a static gap.
   > I am not referring to the gap distance.
   > If a static gap is set up with copper tubes parallel to each other
what
   > would be the preferred length to make these?
   >
   > Any one have thoughts on this?
   >
   > Thanx
   >
   > Luke Galyan
   > <mailto:Bluu-at-cox-dot-net>Bluu-at-cox-dot-net
   > http://members.cox-dot-net/bluu
   >
   >
   >