[TCML] reply to: nst plus asynch rotary gap, good? bad?

[Quarkster]

Mike, Andrew -

McMaster-Carr (mcmaster.com) offers 3/8" and 1/2" thick G10 and G11 material 
(as well as LE phenolic) in 12" X 12" squares at very reasonable prices.

Regards,
Herr Zapp


----- Original Message ----- 
From: "Andrew Robinson" <teslamad at aol.com>
To: "Tesla Coil Mailing List" <tesla at pupman.com>
Sent: Wednesday, September 09, 2009 12:12 PM
Subject: Re: [TCML] reply to: nst plus asynch rotary gap, good? bad?


> mike osipowicz wrote:
>> This is a reply to Jim Mora and Gary Lau, thanks for the reply's. I am 
>> going to run it at about 170 BPS, not 120 so it is a bit easier on the 
>> NST, I will have it on a dimmer so I can slow it down just a tad if 
>> needed. so correct me if I'm wrong, but 1700 rpms, with 8 rotary and 2 
>> stationary electrodes would give me 170 BPS. If I do end up killing my 
>> NST, there are plenty of MOT's waiting for me at the dump... hopefully I 
>> will not have to go through that whole process. I am going to use some 
>> plastic from a cutting board, but I am not sure what size disc to use, my 
>> motor is rather large, so it wont loose a lot of RPM's no matter what 
>> size, but what do you recommend?
>> _________________________________________________________________
>> Get back to school stuff for them and cashback for you.
>> http://www.bing.com/cashback?form=HYCB&publ=WLHMTAG&crea=TEXT_MSHYCB_BackToSchool_Cashback_BTSCashback_1x1
>>
> Hi Mike
>
>    You dont want to use polypro or any equivelent of that material. As 
> everyone else stated, it melts! Heres an example of a SRSG with a poor 
> choice of material. BEFORE... http://host.teslamad.com/before.jpg and 
> AFTER... http://host.teslamad.com/after.jpg See the washers under the 
> electrodes on the disc in the first pic? Now you see the washers... Now 
> you dont. I promise you they're still there, they're just embedded in the 
> plastic now completely hidden. You want to look for a material called G10 
> or G11. Do a google search for it or check out this company 
> http://www.electricalinsulationmaterial.com/ Its not very cheap, but 
> you'll thank me in the long run!
>
> Goodluck!
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