The Murphy Builders Site

Personally, I like the older one with the shorter arm distance for the
control cable hook up. Equals more sensitive pitch control and LESS stick
movement = no crushed boys trying to 3 point the airplane with full back
stick. The newer one was made as people complained the elevator control was
too sensitive and the longer arms = longer stick throw to get the same
elevator movement.

----- Original Message -----
From: "Roland Kriening" <kriening@rogers.com>
To: <rebel-builders@dcsol.com>
Sent: Wednesday, August 31, 2011 12:42 PM
Subject: [rebel-builders] 2 Rear Control Arms ?

In my kit I received 2 rear control arms. Obviously one is from the
original
kit and one a later upgrade. Hopefully someone can help me identify the
right one to use. One has a slightly longer center arm than the other.
Here
is the pic.

http://www.nuvis.ca/rebelphoto/rebel-56/img_2951.jpg

Roland
R56




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I'll second that !! I can't imagine anyone thinking it was too
sensitive !!

Same goes for the bellcrank on the left of the stick ....
go for the original, shorter one ... not the "-1" or "-2" ...
(CC-xx - ?? ....) If you use the later one, you cannot get
full aileron deflection !! :-(


......bobp
bobp@prosumers.ca
bobp@pattersys.com
http://www.Pattersys.com
http://www.amway.ca/BobPatterson

De-fenestrate now ! Linux is the answer !

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On Wednesday 31 August 2011 16:35:51 Wayne G. O'Shea wrote:

Personally, I like the older one with the shorter arm distance for the
control cable hook up. Equals more sensitive pitch control and LESS stick
movement = no crushed boys trying to 3 point the airplane with full back
stick. The newer one was made as people complained the elevator control was
too sensitive and the longer arms = longer stick throw to get the same
elevator movement.

----- Original Message -----
From: "Roland Kriening" <kriening@rogers.com>
To: <rebel-builders@dcsol.com>
Sent: Wednesday, August 31, 2011 12:42 PM
Subject: [rebel-builders] 2 Rear Control Arms ?

In my kit I received 2 rear control arms. Obviously one is from the
original
kit and one a later upgrade. Hopefully someone can help me identify the
right one to use. One has a slightly longer center arm than the other.
Here
is the pic.

http://www.nuvis.ca/rebelphoto/rebel-56/img_2951.jpg

Roland
R56

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The newer one is probably OK on floats but on a taildragger I'd also
rather have the old shorter one especially if the firewall is moved
back. I think the new one is an attempt to harmonize roll and pitch
stick forces a bit. Rolling stick forces are higher than elevator stick
forces but I would not describe the Rebel as particularly sensitive to
elevator control. Probably good to also reinforce the shelf that this
sits on with a left right angle or something to resist vertical
deflection from the rudder cables pulling down on the assembly and
binding the bearings a bit. There is talk of that in the archives
several years ago.

I would also prefer the older shorter bellcrank for the one beside the
control column if you want to achieve full flaperon deflection.

Offhand I do not remember details regarding the upgraded mixer
bellcrank. I seem to recall that there are at least 3 versions of it as
well although one of them is just a change to a larger hole for a larger
center bearing assembly.

Ken

On 8/31/2011 4:35 PM, Wayne G. O'Shea wrote:

Personally, I like the older one with the shorter arm distance for the
control cable hook up. Equals more sensitive pitch control and LESS stick
movement = no crushed boys trying to 3 point the airplane with full back
stick. The newer one was made as people complained the elevator control was
too sensitive and the longer arms = longer stick throw to get the same
elevator movement.

----- Original Message -----
From: "Roland Kriening"<kriening@rogers.com>
To:<rebel-builders@dcsol.com>
Sent: Wednesday, August 31, 2011 12:42 PM
Subject: [rebel-builders] 2 Rear Control Arms ?

In my kit I received 2 rear control arms. Obviously one is from the
original
kit and one a later upgrade. Hopefully someone can help me identify the
right one to use. One has a slightly longer center arm than the other.
Here
is the pic.

http://www.nuvis.ca/rebelphoto/rebel-56/img_2951.jpg

Roland
R56

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