Pull pull wheel.
05-28-2003 | 08:11 PM
#1
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Pull pull wheel.
I know this topic has been ventilated before but..
I’m currently installing the rudder linkage in my new plane. I’ve decided to go with a pull pull system, as always. To reduce the slack in the wires I recently bought a pull pull wheel. So long, so good. As I didn’t know how to connect the wires to it I did a search here on RCU. Then found a couple of thread that explained that it wasn’t such a good idea to use a wheel on the servo, and regular horns on the rudder, since the wheel give linear movement and the horns don’t. I read that you had to install some kind of wheel on the rudder as well, to get linear movement on both ends.
After reading that I went to Znline.com to look at some pictures. I found pictures on the Enigma showing the wheel, and horns installed on the rudder.
So, my question is, is it a good thing to install a wheel on the servo and horns on the rudder? And how exactly does one connect the wires to the wheel? Does the wheel give me a better system over the usual servohorn?
I’m currently installing the rudder linkage in my new plane. I’ve decided to go with a pull pull system, as always. To reduce the slack in the wires I recently bought a pull pull wheel. So long, so good. As I didn’t know how to connect the wires to it I did a search here on RCU. Then found a couple of thread that explained that it wasn’t such a good idea to use a wheel on the servo, and regular horns on the rudder, since the wheel give linear movement and the horns don’t. I read that you had to install some kind of wheel on the rudder as well, to get linear movement on both ends.
After reading that I went to Znline.com to look at some pictures. I found pictures on the Enigma showing the wheel, and horns installed on the rudder.
So, my question is, is it a good thing to install a wheel on the servo and horns on the rudder? And how exactly does one connect the wires to the wheel? Does the wheel give me a better system over the usual servohorn?
05-28-2003 | 08:37 PM
#2
Senior Member
My Feedback: (3)
The wheel is good.
The cable is intalled in one piece from horn, around the wheel, to the other horn. It loops once around the screw at the "front" of the wheel to adjust center after adjusting tension on the clevises to the horns. Use small plastic ties in the forward quarter openings around the wheel and cable to minimize any chance of the cable slipping from the track.
Now for my opinion. It looks nice, clean, very professional. With computer radios, however, I do not really know if there is much more advantage to this system over cables attached directly to servo horns at the same width as the rudder horns for actually performance. I use it because my coach and mentor uses it. When I go back to my old field of weekend pilots, they ooh and aah over the hardware and stroke the old ego...another advantage of cool looking hardware.
Whatever hardware is used, the really important part is how the control surface moves in relationship with the stick. Ideally, with zero expo and 100% rates, you want linear motion from center to end in both directions.
Now for my opinion. It looks nice, clean, very professional. With computer radios, however, I do not really know if there is much more advantage to this system over cables attached directly to servo horns at the same width as the rudder horns for actually performance. I use it because my coach and mentor uses it. When I go back to my old field of weekend pilots, they ooh and aah over the hardware and stroke the old ego...another advantage of cool looking hardware.
Whatever hardware is used, the really important part is how the control surface moves in relationship with the stick. Ideally, with zero expo and 100% rates, you want linear motion from center to end in both directions.
