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Date: Tue, 9 Feb 2010 20:27:38 -0500
Message-ID: <1b4b137c1002091727h1519454ej1fdb6a7d868f9f31@mail.gmail.com>
Subject: Re: [FlyRotary] Re: rpm vs Power was : Throttle limits was Re: N.A. 
	Renesis to turbo
From: Tracy Crook <tracy@rotaryaviation.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Tracy, if you have the data could you give us the  RPMs you saw at the 205
and 217.5 air speeds?

Dennis H.
Renesis RV-7A
Austin, Tx.

That was 209 and 217.5

the 209 mph speed was with the 2.176 drive turning a 68 - 71 prop with
engine turning 6300 , mixture leaned to 17 gph.  On other occasions I could
push it to 6400 at best power mixture burning 20 gph.

The 217.5 mph was with a 2.85 drive turning a 74 - 88 prop with engine
turning 7250.  I didn't get a good read on the fuel flow but obviously it
would have been higher.  I remember requesting priority landing after the
race due to low fuel.

Neither run was done at best power mixture but leaned a few gph less than
max.

Tracy

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<font size=3D"3" color=3D"black" face=3D"Times New Roman"><span style=3D"fo=
nt-size: 12pt;">Tracy,
if you have the data could you give us the=A0 RPMs you saw at the 205 and
217.5 air speeds?<br>
<br>
Dennis H. <br>
Renesis RV-7A<br>
Austin, Tx.<br>
</span></font><br>That was 209 and 217.5=A0=A0=A0 <br><br>the 209 mph speed=
 was with the 2.176 drive turning a 68 - 71 prop with engine turning 6300 ,=
 mixture leaned to 17 gph.=A0 On other occasions I could push it to 6400 at=
 best power mixture burning 20 gph.<br>
<br>The 217.5 mph was with a 2.85 drive turning a 74 - 88 prop with engine =
turning 7250.=A0 I didn&#39;t get a good read on the fuel flow but obviousl=
y it would have been higher.=A0 I remember requesting priority landing afte=
r the race due to low fuel.=A0=A0 <br>
<br>Neither run was done at best power mixture but leaned a few gph less th=
an max.<br><br>Tracy<br>

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