[R-390] R-390A Tube Shields

[Raymond Cote]

Yes Nick. a scam of that would be useful. I'll keep my eyes open for that. 
Ray

On Apr 17, 2013, at 16:03, "Nick England" <navy.radio at gmail.com> wrote:

> That should help, but the advantage of the IERC shield are two-fold -
> one it contacts the tube glass envelope and efficiently conducts heat
> away like that. Two it has a tight fit to the chassis and conducts
> heat from the shield to the chassis that way. Someplace I have a Navy
> tech report comparing all the tube cooling techniques and need to scan
> it.
> cheers,
> Nick
> 
> On Wed, Apr 17, 2013 at 4:49 PM, Ted Breaux <tbreaux7 at comcast.net> wrote:
>> Instead of using the IERC "black" tube shields why cannot we use the ones that came with the receiver and paint them inside and out with High Temp flat black paint?
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