[Amps] LK 500 ZA heat

[jeremy-ca]

Those stationary engines have been set up that way as far back as I can 
remember and Ive seen some that were built in the 1920's. Since they are 
often used in partially or fully enclosed areas they need to exhaust the hot 
air as well as generate some cooling air flow over the engine. The radiators 
are sized larger accordingly.

Imagine trying to dissipate all the heat  in a small area if the flow was 
reversed.

Carl
KM1H



----- Original Message ----- 
From: "Sugiyama" <ji3kdh at 2333.net>
To: <amps at contesting.com>
Sent: Monday, August 13, 2007 7:58 PM
Subject: Re: [Amps] LK 500 ZA heat


>
> Carl,
>
>  Have you ever seen the engine system for
> generators or pumps? Their radiator have fans to
> push the air from the engine to the radiator.
>
> http://www.yanmar.co.jp/products/energy/gen/standby/images/16NHL-01.gif
>
>  Even now it's the normal style at their world.
> The electric fans are never used for their
> radiator. Yes, they can't 'move' themselves.
>
> Sugi JI3KDH
>
>
> On Mon, 13 Aug 2007 18:19:46 -0400
> "jeremy-ca" <km1h at jeremy.mv.com> wrote:
>
>> I dont know when the last time you lifted the hood in a car but 
>> horsepower
>> robbing engine driven fans have been out of favor for around 25 years. 
>> The
>> choice of all manufacturers is an electric pulling fan. This also holds 
>> for
>> 500-800 hp and higher street rods with big V8's stuffed in very 
>> restrictive
>> spaces. The Internet is full of studies of the comparisons between push 
>> and
>> pull cooling.
>
>
>
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