Re: PVC pipe

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Dr. Resonance" <resonance@xxxxxxxxxx>


Yes, we use it for 4" dia. sec coils and wind with #30 AWG for a super 12 kV
60 mA powered coil. Winding length 4.5 x sec. dia.

Sand inside and outside and seal thoroughtly.


Dr. Resonance


> and
> the wall thickness is about half that of schedule 40. Is this type of
> PVC
> pipe OK to use for the secondary coil? Is it the same as or superior for
> use as a secondary coil? Does it need to be dried and sealed the same as
> regular white PVC? Does anyone know where to get tubing made from
> plastics
> that are better suited for building coils? Is ABS superior to PVC? Is
> there
> a web site where this kind of information is located? Thanks for any
> help.
> I have been planning this coil carefully for a long time and I am trying
> to
> use the best materials I can get for each part of the coil.
> Paul Brodie"
>
> I once made a  7 millihenry loading coil using a piece of 8"
> thin-walled green tubing a friend of mine picked out of a ditch.  The
> stuff wasn't particular round, but the coil came out with a Q of almost
> 800 (at 137 kHz).  We didn't dry it out and I suspect it would have been
> susceptible surface breakdown in a TC application, but certainly the RF
> losses were low.
>
> Ed
>
>
>