[Amps] LK 500 ZA heat

[Osten B Magnusson]

However Denny Had seems to be doing well now,
please see  www.caryaudio.com/about/team.html

73 de Osten SM5DQC    sm5dqc at areteadsl.se

----- Original Message ----- 
From: "jeremy-ca" <km1h at jeremy.mv.com>
To: "Tom Rauch" <w8ji at contesting.com>; "dave arruzza" <w1ctn at yahoo.com>; <amps at contesting.com>
Sent: Monday, August 13, 2007 8:57 PM
Subject: Re: [Amps] LK 500 ZA heat


>> Pulling air out is a bad idea. Fans do a terrible job of
>> sucking air. Think of them as pressure amplifiers.
>>
>> If you pressurize the inlet of a fan or blower, it greatly
>> increases outlet pressure. If you draw on the outlet it
>> hardly changes airflow. The inlet fan largely sets the
>> volume of air. The same is true for restrictions. If you
>> restrict an inlet, there is a huge air volume change. If you
> 
> Tell that to the millions of car owners with electric fans that pull the air 
> thru the restrictive radiator. Tests have long proven that trying to push 
> the air thru the radiator is a bad idea.
> 
> Placing a small fan in exhaust mode has also saved many sweep tube rigs from 
> premature tube failure. Ask anyone who used Drake C Line in contests for 
> example.
> 
> Amp Supply simply used poor choices for the fans as well as very little 
> egress for the hot air. Ive seen several of those amps with portions of the 
> tops and sides cut out and replaced by perforated aluminum. Mine has a stock 
> cover but the paint is discolored.
> 
> Amp Supply also switched to the proper switch design about mid way thru the 
> life of that ZC product. I was a consultant to Denny and received the 
> LK-500ZC and a LK-781 as part payment. Unfortunately the company went under 
> shortly after due to Dennys personal problems.
> 
> Carl
> KM1H
> 
> 
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps