Re: Secondary size

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

Original poster: "Richard Modistach" <hambone-at-dodo-dot-com.au> 

what's the size of the topload for the 4.5"josh?

regards
richard
aus


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, January 15, 2004 1:25 AM
Subject: RE: Secondary size


 > Original poster: "J Dow" <jdowphotography-at-hotmail-dot-com>
 >
 > the first thing we need to know is what sort of power you will be shooting
for.
 > in general. all my coils do way better with taller sec coils. I use 1500
 > -1800 turn coils.
 > I find that a coil designed with a smallish tank cap. 12-20 turn primary
 > and a tall sec coil make longer sparks for a given power supply.
 >
 > my largest sec coil was 10" by 36"(awg 22) and my primary was 18 turns, it
 > tuned well at about 15.
 > this is with your standard size 8"dryerduct top.
 > however! after that sec coil burned to death I've had very good results
 > using a 4.5" by 41" (awg 24) 1750 turns. thinner taller more turns. it
 > tunes at 9 turns with the same top and power.
 > the 10" coil hit a little over 5 feet. the 4.5" coil hits about 6" less.
 > if I make a new coil I will use a 8" coil.
 >
 > my coil specs:
 > 15 turn pri 1/4 cu tubing
 > 1750 turn sec 4.5"-41" on pvc polyester reason coated.
 > srsg
 > 69nf mmc geek cap
 > terry frits filter and safety gap
 > 2, 12/60 nst's   135volt variac.
 > large pfc cap on nst's.
 > best spark to date about 54"-to 57".
 >
 > Read you later
 > Josh
 >
 > _
 >
 >
 >