The Murphy Builders Site

Posted: **Sat Feb 18, 2012 2:53 pm**

I'm having some problems with the final setup and adjustment of my flaperons. I need to drill the 1/4 " holes in the flap guide plate for 2 negative or reflex positions, neutral and flap positions. The problem is that when the flaperons are moved to the neutral position I have very little reflex (forward movement of flap handle) left on the flap guide plate or space between the retainer top and mixer arm (only have 1/4", should be 7/8" according to the manual). I tried adjusting (lengthening) the vertical push-pull tubes (cut to 26 1/2"and 26 3/4", as recomended by many) going from the mixer up to the control horns but I don't seem to have quite enough length to achieve more than 5 or 6 degrees of reflex. Has anyone else seen this problem with the shorter push/pull tubes. I know that part of my problem is that my flex cable installation isn't quite giving me enough upwards pull on the mixer arm. I need to add a little more thread to the cable ends to shorten or move one of the ca
ble clamps. Not quite
s
ure what happened there ..?
My next question is how much flap (flaperon) can I safely apply? We hear about some guys lowering to acheive 20 degrees with 2 guys standing under the flaps applying some upwards pressure and others just drill to 20 or 18 degrees and pre-loading their telflex cable ...? Wayne, you mentioned in one of your messages that you like to set your flaps to 21 degrees ... is that "loaded" with upward pressure applied? Thanks for any help !

Getting ready for final inspection, hoping to fly soon !

Clay
Rebel 460

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Posted: **Sat Feb 18, 2012 2:53 pm**

Static Clay. I know it gives in flight but could care less. Mine being
postive employment and no teleflex slop has less give..but it's still there.
The horns flex etc and you can't get rid of it all. I wouldn't worry too
much...but you should be able to get at least 7 degrees reflex...I have 14!

Wayne

----- Original Message -----
From: "Clay Smith" <cbsmith@nf.sympatico.ca>
To: <rebel-builders@dcsol.com>
Sent: Saturday, January 28, 2006 8:23 PM
Subject: Flaperon setup

I'm having some problems with the final setup and adjustment of my

flaperons. I need to drill the 1/4 " holes in the flap guide plate for 2
negative or reflex positions, neutral and flap positions. The problem is
that when the flaperons are moved to the neutral position I have very little
reflex (forward movement of flap handle) left on the flap guide plate or
space between the retainer top and mixer arm (only have 1/4", should be 7/8"
according to the manual). I tried adjusting (lengthening) the vertical
push-pull tubes (cut to 26 1/2"and 26 3/4", as recomended by many) going
from the mixer up to the control horns but I don't seem to have quite enough
length to achieve more than 5 or 6 degrees of reflex. Has anyone else seen
this problem with the shorter push/pull tubes. I know that part of my
problem is that my flex cable installation isn't quite giving me enough
upwards pull on the mixer arm. I need to add a little more thread to the
cable ends to shorten or move one

of the cable clamps. Not quite
s
ure what happened there ..?
My next question is how much flap (flaperon) can I safely apply? We hear

about some guys lowering to acheive 20 degrees with 2 guys standing under
the flaps applying some upwards pressure and others just drill to 20 or 18
degrees and pre-loading their telflex cable ...? Wayne, you mentioned in
one of your messages that you like to set your flaps to 21 degrees ... is
that "loaded" with upward pressure applied? Thanks for any help !

Getting ready for final inspection, hoping to fly soon !

Clay
Rebel 460

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Posted: **Sat Feb 18, 2012 2:53 pm**

Thanks Wayne, I forgot about your setup. It sounds like I should set to
around 20 degrees down and pre-load the cable a little before drilling the
cable guide. I can add another notch later if needed.

Clay

----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <rebel-builders@dcsol.com>
Sent: Sunday, January 29, 2006 2:57 PM
Subject: Re: Flaperon setup

Static Clay. I know it gives in flight but could care less. Mine being
postive employment and no teleflex slop has less give..but it's still
there.
The horns flex etc and you can't get rid of it all. I wouldn't worry too
much...but you should be able to get at least 7 degrees reflex...I have
14!

Wayne

----- Original Message -----
From: "Clay Smith" <cbsmith@nf.sympatico.ca>
To: <rebel-builders@dcsol.com>
Sent: Saturday, January 28, 2006 8:23 PM
Subject: Flaperon setup

I'm having some problems with the final setup and adjustment of my
flaperons. I need to drill the 1/4 " holes in the flap guide plate for 2
negative or reflex positions, neutral and flap positions. The problem is
that when the flaperons are moved to the neutral position I have very
little
reflex (forward movement of flap handle) left on the flap guide plate or
space between the retainer top and mixer arm (only have 1/4", should be
7/8"
according to the manual). I tried adjusting (lengthening) the vertical
push-pull tubes (cut to 26 1/2"and 26 3/4", as recomended by many) going
from the mixer up to the control horns but I don't seem to have quite
enough
length to achieve more than 5 or 6 degrees of reflex. Has anyone else
seen
this problem with the shorter push/pull tubes. I know that part of my
problem is that my flex cable installation isn't quite giving me enough
upwards pull on the mixer arm. I need to add a little more thread to the
cable ends to shorten or move one
of the cable clamps. Not quite
s
ure what happened there ..?
My next question is how much flap (flaperon) can I safely apply? We hear
about some guys lowering to acheive 20 degrees with 2 guys standing under
the flaps applying some upwards pressure and others just drill to 20 or 18
degrees and pre-loading their telflex cable ...? Wayne, you mentioned in
one of your messages that you like to set your flaps to 21 degrees ... is
that "loaded" with upward pressure applied? Thanks for any help !
Getting ready for final inspection, hoping to fly soon !

Clay
Rebel 460

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