Re: straight core transformers and chokes

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

Original poster: Mddeming-at-aol-dot-com 

In a message dated 9/2/03 3:16:51 PM Eastern Daylight Time, 
tesla-at-pupman-dot-com writes:
Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>

Hi Dave,

What you describe is a common induction coil of the era.

http://home.datacomm.ch/k.schraner/induction_coils.htm

http://www.sparkmuseum-dot-com/INDUCT.HTM

A modern ignition coil or two for a car will easily outperform such a
device now-a-days...  Really not a Tesla coil at all, but rather a high
voltage induction coil.

If you really want to make one for the sake of nostalgia, they are really a
bit complicated to get just right.  What you need is the book "Design and
Construction of Induction Coils" by A. Frederick Collins (1908) which has
been reprinted by Lindsay publications:

http://www.lindsaybks-dot-com/

You might also try to find a copy of "Experimental Electricity for Boys" by 
William Doan 1959. The induction coil shown is later used in a later 
chapter to power a Tesla coil. This allows everything to be run from a car 
battery. Detailed illustrations and construction techniques are simple and 
comprehensive.

Matt D.