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Message-ID: <1c23473f0510171847t17ea069bya7d7ee0e52369715@mail.gmail.com>
Date: Mon, 17 Oct 2005 18:47:15 -0700
From: David Leonard <wdleonard@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Flying again!
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Today I took my RV-6, powered by a 2.6L equivalent rotary engine, back up
into the sky after its last re-build.
 Sure was nice to get back into the air. Putting on the high
compression 9.7rotors, along with mild street porting and fixing any
poor compression that
I previously had, seems to have given me about 500 rpm for a given manifold
pressure without any apparent rise in the heat load. I also now have cerami=
c
coating on my manifold, turbine housing, and exhaust pipe. I believe this i=
s
helping temps a noticeable amount.
 I kept the MAP under 29 today, which I will do for a while to let things
break in. At 7000', 28" MAP, I was seeing about 6000 RPM and 150 KIAS.
Ground speed up around 180 kts. Max oil temp was 150 and max coolant temp
was 190. But is was a nice cool day.
 Just when I thought everything was going great WHAM!. MAP suddenly drops t=
o
17" for no reason.... There goes my last hope for a turbo I figure... I
wonder when the tower is going to note the smoke coming out of my
exhaust....
 I land and taxi back without incident, no smoke..
 Turns out one of the intake hose clamps was not on tight enough.... (huge
sigh of relief). Good thing that I have not yet installed my turbo oil shut
off valve, or I might have considered switching it on.

--
Dave Leonard
Turbo Rotary RV-6 N4VY
http://members.aol.com/_ht_a/rotaryroster/index.html
http://members.aol.com/_ht_a/vp4skydoc/index.html

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<div>Today I took my RV-6, powered by a&nbsp;2.6L equivalent rotary engine,=
 back up into the sky after its last re-build.</div>
<div>&nbsp;</div>
<div>Sure was nice to get back into the air.&nbsp; Putting on the high comp=
ression 9.7&nbsp;rotors, along with mild street porting and fixing any poor=
 compression that I previously had, seems to have given me about 500 rpm fo=
r a given manifold pressure without any apparent rise in the heat load.&nbs=
p; I also now have ceramic coating on my manifold, turbine housing, and exh=
aust pipe.&nbsp; I believe this is helping temps a noticeable amount.
</div>
<div>&nbsp;</div>
<div>I kept the MAP under 29 today, which I will do for a while to let thin=
gs break in.&nbsp; At 7000', 28&quot; MAP, I was seeing about 6000 RPM and =
150 KIAS.&nbsp; Ground speed up around 180 kts.&nbsp;&nbsp; Max oil temp wa=
s 150 and&nbsp;max coolant temp was 190.&nbsp; But is was a nice cool day.
</div>
<div>&nbsp;</div>
<div>Just when I thought everything was going great WHAM!.&nbsp;&nbsp; MAP =
suddenly drops to 17&quot; for no reason....&nbsp;&nbsp; There goes my last=
 hope for a turbo I figure...&nbsp; I wonder when the tower is going to not=
e the smoke coming out of my exhaust....
</div>
<div>&nbsp;</div>
<div>I land and taxi back without incident, no smoke..</div>
<div>&nbsp;</div>
<div>Turns out one of the intake hose clamps was not on tight enough....&nb=
sp; (huge sigh of relief).&nbsp; Good thing that I have not yet installed m=
y turbo oil shut off valve, or I might have considered switching it on.<br =
clear=3D"all">
<br>-- <br>Dave Leonard<br>Turbo Rotary RV-6 N4VY<br><a href=3D"http://memb=
ers.aol.com/_ht_a/rotaryroster/index.html">http://members.aol.com/_ht_a/rot=
aryroster/index.html</a><br><a href=3D"http://members.aol.com/_ht_a/vp4skyd=
oc/index.html">
http://members.aol.com/_ht_a/vp4skydoc/index.html</a> </div>

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