Re: Secondary Material, Performance and Price

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Mike" <mike.marcum@xxxxxxxxxxxx>

PVC does fine if you wanna do the extra work of 
drying/sealing it. Acrylic is better, but at best 
makes only a 5-10% difference from what I've 
heard and unless you have a pig-powered coil 
that's not going to make much difference. If you 
can get the extruded acrylic version it'd be 
cheaper, but not as cheap as PVC. Cast has better 
optical properties, but the same electrical ones.

Mike
----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, December 04, 2005 8:52 PM
Subject: Secondary Material, Performance and Price


Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>

Yesterday I naively went out to home depot to buy a
chunk of 8" schedule 80 PVC for a secondary coil.

I never considered that they wouldn't carry it.  When
I go home I did some searching and found that
Mcmaster.com sells it in 5' lengths for $89.  Mcmaster
also sells 8" Cast acrylic tubes for $192 which
doesn't seem all that much more considering the good
characteristics I've heard about acrylic (doesn't trap
moisture, higher Q, etc.)

So my question is, how much SHOULD I expect to pay for
a PVC pipe (I suspect Mcmaster is high) and would it
be worth the extra $$$ just to go forward with the
acrylic?

Thanks,

Curt.




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