Was setting up the pull-pull rudder system in my H9 1/4 Cap last night. Using stock set-up...I had read on these boards that the stock wires were weak...so I soldered them up, and put them in a vice...hooked a fish scale up to each wire and tested 'em both to 25-30 pounds indicated on the scale. Seems OK to me.
Installed a new Hitec 645MG servo...This is a hi torque, metal geared servo. Yeehaaa. Fed the wires through the fuse, dinked around with everything until the wires were fairly tight when the horn is attached to the servo. Got the radio out, centered everything up, and wow! What a lot of noise! The servo groans every time it is released. I decreased the tension on the wires a little bit, and that helped some...but there was still a decent amount of noise as the servo tried to center itself. (when the rudder control was released) I've never set up a system like this before...in my other planes, I would have serious issues with a servo groaning like this.
By the way...in my opinion, I really can't loosen the wires much more...any ideas?
Thanks.
Tracy