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Great
Paul, but what's wrong with those temps and what are your targets? Obviously the
temps are going to be a bit higher if you're producing more power.
I remember Leon saying that the most efficient operating temp, at least
for a 3rd gen REW, was around 180F. 220F was, I'm pretty sure he said, the
red line and you don't want to be there for long. If you can cruise
at 190 at, presumably, fairly low altitude then I'd say you're about right and
you'll get 180 on a high altitude cruise.
Am I
missing something here?
John
I
flew the SQ2000 today. The engine is running great, now that I have a seperate
water temp sender for the ECU and another for the engine monitor. The outside
air temp was 80 degrees, and I am very disappointed with my coolant temps. The
water temp hit 205 during the climb. Temps slowly came back down to 190
once I was in level flight, and dropped to 170 on short final. Very
disappointing. (oil temps were fine). I am going to seal all the gaps
around the radiator first, and see if that helps. I am concerned that the
new ram air scoop I made to bring in cool air to the throttlebody might be
pressurizing the rear of the cowling, and inhibiting the induction of air
through the radiator. I will try sealing around the radiator first. If that
fails to bring the temps down, I will try removing the ram air scoop and
installing a NACA scoop with a hose to bring air directly to the throttlebody,
and not dump it into the low pressure area of the cowling. If that fails,
I think I will take up fishing or golf.
Paul Conner, 13b powered
SQ2000 in Mobile, AL
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