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From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Oil Cooling Solved
Date: Sun, 18 Jun 2006 07:57:38 -0400
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>


On Jun 18, 2006, at 12:38 AM, Joe Hull wrote:

> Well I think we've got it licked! When I went to put the oil  
> thermostat back
> into the oil cooler I discovered that I had put it in backwards  
> when I was
> checking it out after my engine rebuild. So I checked it out once  
> again and
> put it back in right-way-round. I also switched the hoses around so  
> the "In"
> hose went into the "In" port on the oil cooler (which happens to be  
> the
> lowest hole on oil cooler the way I have it installed).
>
> I warmed the engine up well and felt the oil cooler and, OUCH! - it  
> was
> quite warm at both ends. There were no leaks and nothing looked  
> like it was
> going to fall off so I took it up for the real test. Climbing out  
> oil and
> water were 180F and that's where they stayed all through the climb.  
> When I
> leveled out and ran at full throttle (5300RPM for me) for 30  
> minutes oil
> dropped to 165F and water was 180F (that must be where the  
> thermostat is
> set).
>
> So, thanx for all the encouragement and words of wisdom. Now I just  
> need a
> good hot day to really try it out. It was a blazing 74F at ground  
> level and
> 54F at 3000ft so not much of a challenge compared to Florida's 90F  
> days. We
> usually get a 90F day or two in August!
>
> Thanx,
> Joe Hull
> Cozy Mk-IV #991 (In Phase1 Flight Test - 33.0 hrs flown)
> Redmond (Seattle), Washington
>
>

Glad to hear it was so simple Joe. Most of the times is. I have spent  
weeks trouble shooting the engine, to find a bad crimp on the  
connector at the instr. panel.
Now you can finish your 40 hrs and fly to Mojave. Visit MZ and test  
the plkane at 110F :)
Buly