[Amps] amps with vacuum pumps

[Gary Schafer]

If you are going to go to all that trouble to lower the boiling point why
not just use a small air conditioning system with the evaporator as the heat
sink.

73
Gary  K4FMX

> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com]
> On Behalf Of Joe Subich, W4TV
> Sent: Wednesday, May 02, 2012 11:25 AM
> To: amps at contesting.com
> Subject: Re: [Amps] amps with vacuum pumps
> 
> 
> In most cases, heat pipe systems (and that's what one would have with
> an evacuated vapor system) require a secondary heat exchanger.  The
> low pressure system moves the heat from where it's generated to a
> heat exchanger where it is transferred to a second cooling medium that
> can be moved a longer way to the final heat exchanger.
> 
> The rigid pipes and initial heat exchanger might be a construction and
> maintenance issue for amateur equipment - and probably not worth the
> incremental performance vs. a more traditional radiator/reservoir
> design.
> 
> 73,
> 
>     ... Joe, W4TV
> 
> 
> On 5/2/2012 11:12 AM, Pete Smith N4ZR wrote:
> > Perhaps someone with practical experience can comment on whether it is
> > hard to maintain a 1 PSI vacuum in a vapor system.
> >
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