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To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Message-Id: <AA-281A7419F1D49A1E94DD5760E66922F9-ZZ@www7.prodigy.net>
Date: Wed, 03 Dec 2003 09:10:31 -0500
From: DELTAFLYER@prodigy.net
Subject: Re: [FlyRotary] Re: Heaters/defrosters

Ken,
Did you alter the oil cooler bypass? The stock oil 
cooler has a bypass that prevents oil from circulating 
through it when the oil temp is below 140F degrees.
This helps to warm the oil faster on cold days.
Jim
--- Original Message ---
From: Ken Welter <rotary.coot@verizon.net>
To: "Rotary motors in aircraft" 
<flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Heaters/defrosters

>>Mark Steitle wrote:
>>Is there a "best practice" for cabin heat/defrost 
systems for rotary
>><snip>
>>>
>>>Comments welcome,
>>>Mark S. (hot oil exchanger is out of the question)
>>>
>>>>>  Homepage:  http://www.flyrotary.com/
>>>>>  Archive:   
http://lancaironline.net/lists/flyrotary/List.html
>>>>
>>>
>>
>>Why is the oil exchanger out of the question? I 
don't see how it 
>>could be any more dangerous than a muff.
>>
>>My plan is to duct either a radiator or the oil 
cooler so that I 
>>pick up cabin air both in front and behind the heat 
exchanger. The 
>>cool air pickup in front of the heat exchanger will 
run through an 
>>icebox, and then both ducts will run into a cabin 
controlled 'mixer' 
>>to give the maximum in pilot/passenger comfort.
>>
>>--
>>http://www.ernest.isa-geek.org/
>>"Ignorance is mankinds normal state,
>>   alleviated by information and experience."
>>                                   Veeduber
>
>
>   A problem with oil is that I have had problems 
with keeping the oil 
>warm enough in cold weather where the water 
thermostat seems to be 
>more stable.
>  In cold weather my oil will drop to 120 degrees or 
less where the 
>water will hold at 180.
>
>   Ken