[Prev][Next][Index][Thread]

Re: Herbach & Rademan




From: 	Malcolm Watts[SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent: 	Friday, November 21, 1997 6:53 PM
To: 	Tesla List
Subject: 	Re: Herbach & Rademan

Hi Joshua,

> From:   Joshua Resnick[SMTP:seraphim-at-WPI.EDU]
> Sent:   Thursday, November 20, 1997 10:24 PM
> To:     Tesla List
> Subject:    Herbach & Rademan
> 
> I got my new H&R tansformers today.  They put out about 3.5kV each for a
> total of  ~7kV rms or 10kv peak at 300 ma.  I wired them up and let the
> sparks fly between two electrodes. These things really pump out the HV
> amps.   I have a few questions though as this is my first attempt at
> coiling:
> 
> I'm a college student and live in a dorm, therefore when the coil is
> complete it wouldn't be a very good idea to turn it on in a building
> filled with network lines and sensitive computers.  But would it be safe
> to operate the primary to test and adjust the spark gap with the
> secondary away from the unit?

You'll generate high levels of radiated hash. You'll also hammer the 
primary capacitor.
 
> I'm well prepared to spend days in the shop building a cap for this
> unit,  but I'm just as ready to buy one.  Does anybody know of a
> supplier of ~50 KV caps around .08 uf acceptable for coil use?
> 
> A good supplier of magnet wire spools (20~22 awg)?
> 
> Approximate chokes required for my transformers at 100khz?

As high an inductance as you can wind.

Malcolm