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Date:         Fri, 28 Jun 2002 13:04:37 -0500
Reply-To:     wilden1@JUNO.COM
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Stan Wilder <wilden1@JUNO.COM>
Subject:      Re: Aux Oil Cooler install...Friday !
Comments: To: vgonman@msn.com
Content-Type: text/plain; charset=us-ascii

However, the engine isn't wet (hopefully) and evaporation plays no part in cooling, so humidity doesn't matter. ------------------------ Clip ------------------ Well you all knew I had my little story to tell so here goes. Air density and temperature play a major role in engine cooling. You've all driven at night when the temps are down and the air density is higher .......... WoW love that new car power. Fuel economy can once again be added temporarily back into our vocabularies. I've been in very high humidity as thick as fog and had my car nearly choke to death from moisture sealing up the paper filament in my air cleaner (welcome to Sebastipol CA.). Humidity in normal ranges of 30% to 90% don't have a major impact on performance or cooling but the actual air density and temperature can contribute to performance. If you live at the beach don't expect to win any Vanagon races in Denver at 5500 feet.

Stan Wilder

On Fri, 28 Jun 2002 13:23:57 -0400 Vanagon man <vgonman@MSN.COM> writes: > I thought that when water is added to air, it changes its properties, > and > thus cooling capacities.what i thought (from some long ago fluid > dynamics > class) is that when water is in air and it is forced thru our air > cooled > engines, it will not collect and move the heat from our engines as > well as > dry air................... > > > Adam P > 81 Westy "The Brick " > 70 Single Cab "Whitey" > 74 Beetle "Ol Yeller" > 73 Transporter (STILL at paint shop) > 1988 Vanagon Wolfsburg > 75 Campmobile "for sale' > Used Vanagon Parts for sale (mostly aircooled) > ----- Original Message ----- > From: "Bill N" <freeholder@STARBAND.NET> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Friday, June 28, 2002 1:30 PM > Subject: Re: Aux Oil Cooler install...results Aircooled vanagon > > > > Sounds like the oil cooler is really doing the job. Just a quick > note on > the physics, though. > > You mention "humid" like it matters. It matters to us because our > bodies > cool by evaporating > > perspiration, and it doesn't evaporate very well when it is > humid. > However, the engine isn't > > wet (hopefully) and evaporation plays no part in cooling, so > humidity > doesn't matter. Since it > > is Friday, I assumed everyone would want to know. > > > > Bill > > > > ----- Original Message ----- > > From: "Vanagon man" <vgonman@MSN.COM> > > > > here are the stats. Before the cooler, if i went 70-75 mph in my > part of > the country (humid, > > and 90+ degrees out side) for any length of time, my oil would hit > 110C > and probably hit > > 115C.so I had to go more like 60mph. My oil pressure would be > more or > less equal to my > > rpms(3800 rpm...38psi) and my heads would run between 300-350f. > > >

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