Re: H/D Ratio

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

Original poster: "Luc by way of Terry Fritz <twftesla-at-uswest-dot-net>" <ludev-at-videotron.ca>

Hi Dennis

Good dimension  but if you use 24 AWS you could go for a 5/1 ratio (22.5") 1125
turns instead of 900 , more inductance less lost in spark gap ( John F.
;-)... )
and less chance of flash spark in your form.

luc Benard

Tesla list wrote:

> Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<Leik3-at-aol-dot-com>
>
> Hi All,
> I have a 15/30 and my secondary is going to be 4.5 (o.d.) inches. I was
> planning on a h/d ratio of 4 leaving me with 18 inches of winding height. Any
> comments on this?? Is it too large of a ratio, will my transformer power it
> with decent results?? I haven't wound it yet, so it's not too late to get a
> smaller form if necessary.
> Thanks a bunch,
> Dennis