[Amps] Using computer CPU coolers on GI46b triode ?

[Carl]

> On 5/9/2014 11:12 AM, Carl wrote:
>> Subject: Re: [Amps] Using computer CPU coolers on GI46b triode ?
>>
>> I can easily see boring a CPU sink as a simpler alternative as long as a
>> round silicone rubber chimney isnt required.
>
> That may be possible with an old "block with fins" type heat sink but
> many of the newer ones use a relatively thin plate/heat spreader and
> tubes filled with a heat transfer fluid.  The tubes bend upward to a
> radiator in the normal air flow or with or have a fan mounted to the
> radiator.  Drilling/boring one of those would damage the heat tubes
> and render it useless.
>
> 73,
>
>    ... Joe, W4TV


I couldnt imagine anyone using one of that style cooler even by mistake but 
mentioning it just might prevent someone from doing it!

With the old style free for the asking and usually including a complete PC 
cost is zero if you have access to a drill press and boring bits.