Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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 Posted: Tue Dec 07, 2010 4:56 pm Post subject: Fwd: MT prop Governor set screw |
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This was the post you were looking for.
---------- Forwarded message ----------
From: Jim Ayers <lessdragprod(at)aol.com>
Date: Mon, Dec 6, 2010 at 9:07 AM
Subject: Re: MT prop Governor set screw
To: rv10-list(at)matronics.com
If the arm is removed and replaced in exactly the same orientation, nothing.
But if you were to do that, why take it apart in the first place.
MT Propeller says it is a "bad thing" to just change the location of
the governor arm on the splined shaft.
Of course, MT Propeller and MT Propeller USA do this themselves when
they set up the governor. But they each have a $50,000 governor flow
bench to set the governor properly.
BTW, your MT Governor can be shipped to MT Propeller USA to be set
properly for the IO-540 engine you have.
Van's Aircraft sells new Lycomng engines which are wide deck IO-540
engines with a 0.947:1 gear ratio to drive the governor.
Van's aircraft sells new MT governors set for the narrow deck IO-540
engine which has a 0.895:1 gear ratio.
So the new MT governor on the new Lycoming IO-540 engine will only
allow about 2550 RPM maximum.
MT Propeller USA can set up you new MT governor from Van's Aircraft so
it will be very close to 2700 RPM maximum.
Please remember that the propeller low pitch stop should limit the
engine to between 2600 and 2650 RPM on a full throttle static runup.
Changing the governor setting should not change the full throttle
static RPM if the low pitch propeller.stop is set properly.
Jim Ayers
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_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor
KCHD |
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