. If = you remember I do not have coolant temp reading right now, so I closely = monitored the oil temp and kept the run short, but I was curious as to = what I could run it up to. Thanks again. All the best, Chris ------=_NextPart_000_0019_01C7D5A2.79AC1F10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Chris, that is great power "out of the box" = with the=20 2.17 redrive. My early engine and induction system was humping to = produce=20 5000 rpm static with a 68x72 prop (2.17:1 gearbox). What pitch do = you have=20 on the prop? That will of course make a big difference. But, = regardless, that is a great start.

Congratulations

----- Original Message -----
From:=20 Christopher Barber =
To: Rotary motors in = aircraft

Sent: Thursday, August 02, 2007 = 10:52=20 PM

Subject: [FlyRotary] Static = RPM

Ok, I know I have read about this = somewhere, but=20 not sure where or what I read means, but I finally ran my engine up to = full=20 power and was wondering what kind of numbers I should be = seeing.

Even though I had some intermentant = wire issue=20 (SUPRISE) in that as I got over about 4500 rpm the rpm = would flash in the=20 hundreds and then go to zero. When I throttled back to = below 4500=20 ish, the reading came back. This happened a few = times.

However, later when I did = it, the readings=20 were better and I was able to run the rpm up to about 5500 rpm at = full=20 power on the Mistral Intake (so about 2534 rpm at the prop). It = seem to=20 reach full rpm at about 3/4 (to 4/5) of full throttle and then mostly=20 stablized. Sounded smooth even though I am still running = rich. It=20 seems to run much better with the mixture at about 9 oclock and bogs = as I=20 bring it to the noon position. In auto tune it seems to be=20 trying to lean but kinda slow and if I try to keep it at the 12 = oclock=20 position it seems too rich, so I think I will need to do some = manual=20 leaning and then go back to the autotune. I am idleing pretty = smoothly=20 at about 1000 rpm.

Is this RPM range acceptable? = Is this good;=20 bad? What should I expect? I was nervous to run it up like = this, but=20 I just kept telling myself that I am not gonna be throwing a rod or = blowing a=20 jug <g>. If you remember I do not have coolant temp = reading right=20 now, so I closely monitored the oil temp and kept the run short, but I = was=20 curious as to what I could run it up to. Thanks = again.

All the best,

Chris

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