The Murphy Builders Site

Currently in the process of tuning and ground running my 0-235 Lycoming....

But I need to know WHAT static RPM I'm supposed to be getting ???

Anyone out there got any tips ?

(P.S. It's on wheels with a Warp Drive prop and SHOULD be making around 130 HP)

Thanks

Rick & Wendy Harper

Rick, I have found with the Warp Drive, 3 blades, that about 300 RPM below redline is a good place to start for static RPM. Static RPM on the Warp Drive needs to be higher than you would normally find with a metal propellor, as the W.D.'s flex courser in flight. When I had the 100H.P. Lycoming in my Rebel, I set my W.D. to the same low static RPM that Sensenich spells out and the plane wouldn't even move on skis!

Hope that helps you some,
Wayne G. O'Shea
www.irishfield.on.ca

----- Original Message -----
From: Rick Harper (rjwh@ozemail.com.au)
To: murphy-rebel@dcsol.com (murphy-rebel@dcsol.com)
Sent: Wednesday, April 18, 2001 6:52 AM
Subject: 0-235 Question


Currently in the process of tuning and ground running my 0-235 Lycoming....

But I need to know WHAT static RPM I'm supposed to be getting ???

Anyone out there got any tips ?

(P.S. It's on wheels with a Warp Drive prop and SHOULD be making around 130 HP)

Thanks

Rick & Wendy Harper

Rick and /Wendy,

Go to Lycoming web site and you will find the static Rpm's recommended for
your engine. I believe, Tony Bingelis "Firewall Forward" also gives the
Recommended static RPM for Lycoming and Continental engines.

Bruce G



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