Paul wrote:

Hi, fellow rotary enthusiasts....I flew my rotary powered SQ2000 canard again today. With the smaller prop and my previous mixture adjustments (enrichening), the engine is producing 5300 rpm static,
and is running very smoothly.  Takeoff roll was short, and climbout was at 120 knots. Outside air temperature was 70 degrees F.  Now that I am producing more power, I am producing more heat. I
climbed to 3000 feet AGL, and the water temp got up to 192 degrees in the climb. Oil went up to 185.  These temps were higher than previously encountered. The only solution I can come up with is
that the higher rpm's are producing more power/heat.  Fortunately the temps came back down to 180 water and 175 oil once I leveled off.  I was able to throttle back and just fly around and enjoy the
fruits of my labor for a while. I need to slowly increase my cruise speeds and check for flutter (increasing 5 knots at a time), and do some canard stall testing, but today I decided the heck with
testing and just relax and enjoy the flight.  Temps on descent came down to around 160 and 155, but of course it wasn't much of a descent (3000 feet down to 1000 feet traffic pattern altitude).  The
aircraft is easier to slow down on final now that I can idle at 800 engine rpm's (365 prop rpm's with the 2.19:1 Ross). I have received my street ported 4-port engine parts, and I will soon be
putting this together with NA rotors and housings, and then I will swap engines and probably be able to put the larger prop back on.  Keep building guys....it's all worth it.  Paul Conner, 13b
powered SQ2000 canard in Mobile, AL

Got any pics of your rad ducting Paul? What was the climb out RPM Paul?
New prop size and pitch?

Paul Lamar
 
The Rotary Engine NewsLetter.  Powered by Linux.
ACRE NL web site. http://home.earthlink.net/~rotaryeng/            
Copyright 1998-2004 All world wide rights reserved.