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Date:         Mon, 21 Feb 2011 18:38:44 -0800
Reply-To:     "Mark L. Hineline" <hineline@OCOTILLOFIELD.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "Mark L. Hineline" <hineline@OCOTILLOFIELD.NET>
Subject:      Re: Substitute for aircooled thermostat
Comments: To: Tom Hargrave <thargrav@HIWAAY.NET>
In-Reply-To:  <0ecb01cbd237$f0e058e0$d2a10aa0$@net>
Content-Type: text/plain; charset=WINDOWS-1252; format=flowed; delsp=yes

True, but that would be overkill. If the idea is just to just replace

the stock thermostat, oil temp from a sender is more than enough.

Mark

On Feb 21, 2011, at 6:26 PM, Tom Hargrave wrote:

> You’d want head temperature and oil temperature feedback to do it

> right. Oil temp for initial placement and head temperature to > temporarily open further for more cooling. > > > Tom > > From: Mark L. Hineline [mailto:hineline@OCOTILLOFIELD.NET] > Sent: Monday, February 21, 2011 8:19 PM > To: Tom Hargrave > Cc: vanagon@GERRY.VANAGON.COM > Subject: Re: Substitute for aircooled thermostat > > Agreed. And technically, it would be a step motor. Also, you could > do away with the thermistor and just hook up to the oil temp sender.

> So the controller might be nothing more complicated than an oil > temperature gauge that switches the step motor. That's the ugly way

> to do it. Maybe there's a cleaner way. > > Mark > > > On Feb 21, 2011, at 5:57 PM, Tom Hargrave wrote: > > > You’d need more than just a thermistor and a servo – you need some > sort of controller in the middle that would monitor temperature and

> move the servo. > > Tom > > From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On > Behalf Of Mark L. Hineline > Sent: Monday, February 21, 2011 6:49 PM > To: vanagon@GERRY.VANAGON.COM > Subject: Substitute for aircooled thermostat > > Seems like a thermistor and a servo could substitute for the NLA > thermostat for aircooled engines. The servo could be mounted up on the > flaps, in the cool part of the engine compartment, with only the > thermistor down where it's hot. > > It shouldn't take too much thought to make sure that if it fails, it > fails in the flaps open position. Or buzzes a warning! > > So, tell me why this wouldn't work. > > Mark > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1204 / Virus Database: 1435/3458 - Release Date: > 02/21/11 > > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1204 / Virus Database: 1435/3458 - Release Date: > 02/21/11 >


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