Re: Doorknob capacitors for primary?

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

Original poster: "Crow Leader" <tesla-at-lists.symmetric-dot-net> 

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, December 20, 2003 8:44 PM
Subject: Doorknob capacitors for primary?


 > Original poster: brent meyer <res095fx-at-verizon-dot-net>
 >
 > I was wondering why I don't see many coilers using ceramic "doorknob" HV
 > caps for their tanks?  Are they more prone to failure?  I just happened
upon
 > a parcel of 18  570pF 40KV caps, and I bought the lot of them. I'll be
 > running them on a 15KV 60 NST.   I'm looking to build a bipolar coil using
a
 > nice pair of  5 1/4 by 31 inch long fiberglass coil forms I just found,
and
 > was wondering if I should have to incorporate some kind of blast shields
 > into the designS

Some ceramic caps fail fast, some don't. They always fail short, and I've
destroyed quite a few. None have exploded.

KEN