[Amps] LK 500 ZA heat

[jeremy-ca]

Unless the fan and/or the blades are plastic and too close to the tubes as 
in the LK-500 series. The blades in the SB-220 turn brown from radiation 
after a few years use. Some even crack and fall apart. The SB-200 used metal 
blades; by design or availability I dont know.

Carl
KM1H


----- Original Message ----- 
From: "Peter Chadwick" <g3rzp at g3rzp.wanadoo.co.uk>
To: <amps at contesting.com>
Sent: Tuesday, August 14, 2007 5:23 AM
Subject: Re: [Amps] LK 500 ZA heat


>
> Another advantage of blowing is that the fan (I use the term in a generic 
> sense) and its motor are handling cold and thus more dense air, so there 
> isn't the heat strain on the motor insulation.
> 73
> Peter G3RZP
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