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RE: [TCML] Soldering SISG heat sinks

Thanks Dan...  Knew this was the right place to ask...;- )  

Just have a lot of time and effort invested in these and have high hopes
for them as an upgrade to my old SGTC....  Am converting from a 12/60
NST to dual MOT with rectified DC output...  Should be a nice upgrade in
performance...;- )

Was thinking that in the worst case if it became a (mechanical
attachment) problem I could just JB weld them in place as long as I
didn't need to have a good electrical or thermal connection to the

Much appreciate the help!

Best Regards,
Bob Johnson

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
Behalf Of Daniel Kline
Sent: Thursday, October 30, 2008 2:09 PM
To: Tesla Coil Mailing List
Subject: Re: [TCML] Soldering SISG heat sinks

I don't think you have to solder the heatsinks to the board.
I didn't. It was a tight fit as it was. Those things aren't going 
anywhere. I wouldn't worry about it.

Dan K.

Johnson, Bob G. wrote:
> Thanks Scott....  
> Pretty much what I was afraid of....  Did use thermally conductive
> grease when mounting the IGBT's so all the heat would go right into
> components...
> I guess I should have soldered the heat sinks to the board first and
> then mounted the other components....;- (    
> Right now the heat sinks are held in place by the mounting screw on
> IGBT so there is no problem with them coming loose...  Guess at this
> point it would be best to just leave them alone....
> Much appreciate the help!
> Best Regards,
> Bob Johnson

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