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One of the reasons it took so long to get to this point was I wanted to go overkill on the cooling. As you pointed out, when I got started on this virtually everyone had cooling issues on the first flights. I built 4 different oil cooler installations (and I dont mean minor changes - 4 completely different setups) because I was afraid that what I had wouldnt work. At one point (probably been 5 years ago now) Chuck Dunlap visited my project. He told me I was over thinking things and I just needed to take what I had and fly it. I think that was oil cooler install #2.
Anyway, I'm hoping that I'll have the problem of too much cooling and I can start shrinking inlets. Time will tell.
And I did realize that I was OK with oil pan temp around 210 (OK, I realized it a little late). I backed off the throttle and then noticed the temp out of the cooler was around 185 so I knew I was OK. Heat of the moment I guess. In any case I decided for the remainder of the flight that not pushing it certainly wouldnt hurt anything.
Hopefully the next flight I wont feel quite so overloaded. Then can focus more attention on thinking things out.
Mike Wills
RV-4 N144MW
----- Original Message ----- From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, January 20, 2009 2:22 PM
Subject: [FlyRotary] No cooling problems was Re: first flight - finally
Your right about that, Ernest.
I remember when I was having oil and coolant over-temp problems back in
1997-98 - few folks around to ask. I think that says a lot about this list
and the folks on it who are so willing to share both their successes and
failures.
I agree the RV tractor installation (and probably just about any tractor
installation) have several configurations that appear to work first flight.
I think the canard types are getting their configurations sorted out as well
- theirs being the somewhat more challenging conditions.
Ed
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
http://www.andersonee.com
http://www.dmack.net/mazda/index.html
http://www.flyrotary.com/
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
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