Re: Newby (fwd)

---------- Forwarded message ----------
Date: Wed, 17 Dec 1997 18:37:24 -0700
From: "D.C. Cox" <DR.RESONANCE-at-next-wave-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: Newby (fwd)

to: Tom G.

With a 30 ma power source a .004 or .005 MFD cap will match up well. 
Suggest a 4" dia x 24" long sec with 22-24 AWG wire and a 3-4" copper
plumbing float for a HV terminal.  Use a sub-divided 3 electrode spark gap
with a small 200 - 250 CFM blower about 1 1/2 inches away.  Use some scrap
lumber base to start and approx a 20 turn pri. tapped coil in flat spiral. 
After initial testing with your cap you will probably end up with a 6-10
turn pri but always a good idea to start with a lot and reduce as
necessary.  Use a variac to keep power to 30% for initial tuning and
increase later.  This data should start you in the right direction for a
nice small coil with at least 12-14 in sparks.


> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Newby (fwd)
> Date: Wednesday, December 17, 1997 2:37 PM
> ---------- Forwarded message ----------
> Date: Wed, 17 Dec 1997 11:02:21 -0700
> From: Tom <tomg-at-avicom-dot-net>
> To: Tesla List <tesla-at-pupman-dot-com>
> Subject: Newby
> Hello all.
> I am new to this list an am awaiting parts on my first tesla coil.  I am
> new to building them but not to their theory.  Anyhow, I was curious
> about a couple of items.  When I build this, a friend has donated part
> of his shop for me to experiment in.  I was wondering about saftey
> factors regarding things like overhead lights, electrical conduit
> ect...  If the conduit gets hit will it cause a problem (like fire)?  
> Will the fields generated by the coil disturb the electrical in the
> building (fluctuating lights, TV interference ect...)  If so, is there a
> way to protect the circuits in the building from this?
> What size secondary would give the best spark output for my powersource.
> I have some ideas on this, but was curious as to what people with
> practical experience thought on this matter.
> The power source will be a 15kv 30mA neon and I haven't sat down and
> figured out the rest yet.
> Also, does anyone know where to get some HV wire and a used variac?
> Any info will be much appriciated on these or any matter.
> Tom