The Murphy Builders Site

Question for those flying a SR or Moose. I'm just about to rivet the rudder deflection stops in place. Has everyone put the stops in for 25 deg max ? and would you recommend staying with that or increasing or decreasing it some amount?
Thanks,
Tom Packard
SR043


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I don't have an opinion about whether 25 degrees is the right amount but I
do have a related comment. I put my rudder stops on for 25 degrees using
just the rudder. I made the mistake of just assuming the elevator would
have the proper clearance for 25 degrees since that is what MAM recommends.
Wrong. I ended up moving the elevator ribs and cutting the elevator skins a
bit to open it up enough to get 25 degrees from the rudder without hitting
the elevator. Might want to check that. If you have a clearance problem
like I did then your decision will be whether to do what I did or accept
less than 25 degrees rudder deflection.

Mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
jtpackard@usfamily.net
Sent: Thursday, December 08, 2005 10:28 AM
To: rebel-builders@dcsol.com
Subject: SR/Moose Rudder deflection

Question for those flying a SR or Moose. I'm just about to rivet the rudder
deflection stops in place. Has everyone put the stops in for 25 deg max ?
and would you recommend staying with that or increasing or decreasing it
some amount?
Thanks,
Tom Packard
SR043


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I put the stops in after the elevator was on and just went with max throw
leaving clearance for the elevator. Don't really know what it is in
degrees.

Scott

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
jtpackard@usfamily.net
Sent: Thursday, December 08, 2005 12:28 PM
To: rebel-builders@dcsol.com
Subject: SR/Moose Rudder deflection

Question for those flying a SR or Moose. I'm just about to rivet the rudder
deflection stops in place. Has everyone put the stops in for 25 deg max ?
and would you recommend staying with that or increasing or decreasing it
some amount?
Thanks,
Tom Packard
SR043


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Thanks Mike and Scott.
Mike, I did open up the elevator 'V' about 3/8" on each side - Cut the
skins back to the inside of the original rivet holes. I'll have to assemble
the stab & elevator and see if there is still interference. Then I think I
will go with Scott's approach and set the rudder up to whatever the geometry
allows.
Tom Packard
SR043
----- Original Message -----
From: "Mike Kimball" <mkimball@gci.net>
To: <rebel-builders@dcsol.com>
Sent: Thursday, December 08, 2005 1:51 PM
Subject: RE: SR/Moose Rudder deflection

I don't have an opinion about whether 25 degrees is the right amount but I
do have a related comment. I put my rudder stops on for 25 degrees using
just the rudder. I made the mistake of just assuming the elevator would
have the proper clearance for 25 degrees since that is what MAM

recommends.

Wrong. I ended up moving the elevator ribs and cutting the elevator skins

a

bit to open it up enough to get 25 degrees from the rudder without hitting
the elevator. Might want to check that. If you have a clearance problem
like I did then your decision will be whether to do what I did or accept
less than 25 degrees rudder deflection.

Mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
jtpackard@usfamily.net
Sent: Thursday, December 08, 2005 10:28 AM
To: rebel-builders@dcsol.com
Subject: SR/Moose Rudder deflection

Question for those flying a SR or Moose. I'm just about to rivet the

rudder

deflection stops in place. Has everyone put the stops in for 25 deg max ?
and would you recommend staying with that or increasing or decreasing it
some amount?
Thanks,
Tom Packard
SR043


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