[R-390] Silver solder

[Scott, Barry (Clyde B)]

Yeah, a radio designed like this probably won't last more than 50 years at the most...

Barry(III) - N4BUQ


<snip>

>There are so many 
> mechanical grounds
> in this set!!  What makes it worse is the fact that the 
> chassis is aluminum.
> Aluminum oxidizes and makes for poor connections.  Aluminum 
> wiring in a
> building is an electricians dream--lots of service work.  A 
> special compound
> is now required for aluminum connections.  Why should this radio be
> different??  Boy it just looks like a lot of intermittent and 
> hard to trace
> problems in the making.  I am loosening all pertinent
> connections....applying Deoxit....then re-tightening.  Would 
> seem foolish
> not to while each module is on the workbench getting rebuilt.
> 
> 
> Scott