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From: <cardmarc@charter.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Still high temperature
Date: Tue, 21 Sep 2004 15:00:46 +0000
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Most of the 13B engines had a high point tube on the top of the engine coolant passages that went to the throttle body to heat the intake for emissions reasons. You may want to connect that to your header tank, and use it also as a bleed valve. Also bleed the air and water off the top of the header tank (suitable cap) to an expansion/overflow tank just like on the car. If you need more info on a stock system, you can take a look at the factory service manuals, or just pose a question, we will all be happy to address it!
Marc
> 
> From: "Steve Brooks" <steve@tsisp.com>
> Date: 2004/09/20 Mon AM 10:27:51 GMT
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: Still high temperature
> 
> 
> Marc,
> Thanks for the information.  I think that my current set up is an issue with
> bleeding the air out of the system.  I have my header tank mounted up high
> on the firewall, but the tap that feeds it is probably 4" or so below the
> top of the 90 degree bend coming out of the top of the thermostat housing
> feeding to the radiators.  I really need some way to bleed out that air.
> 
> Steve
> 
> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On
> Behalf Of Marc Wiese
> Sent: Sunday, September 19, 2004 7:22 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: Still high temperature
> 
> 
> 
> My FD (1994 tt 13Brew) engine typically runs 210-225F all summer on
> highway drives. I have two water temp sensors. Today with ac on, 70 mph,
> 95F outside, 500'msl, 212F sustained (ac turns on electric fans as
> well)-nowhere near your power output in flight! Getting those temps down
> probably means a bigger radiator, better airflow, and bigger fans.
> Gurgling in the FD means you have air in the system, burp it well (bleed
> air at the highest point in the system off somewhere while filling it,
> this is a critical FD step).
> Marc Wiese
> 
> 
> 
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