The International Cessna^® 170 Association

It makes me curious about how it is getting bent also. I do not think my chains are too tight, they are about like George describes. The chains are just taut and there is no noticeable tension on the springs when on the ground. It is really only the right side that has bent upwards too far. We bent it back down only to notice it to return bent again. I do not want to bent it back and forth as that may weaken it even more.
What is the different in compression and tension springs and how do I tell which I have.

try the links below to see the difference
http://www.aircraftspruce.com/catalog/l ... prings.php
http://www.aircraftspruce.com/catalog/l ... prings.php

lets try again

I take issue with the advertising which accompanies the compression spring display: "Original tension type springs keep rudder post under continuous tension which wears the hinges. Compression type springs keep rudder neutral - no tension on post."

Since BOTH systems should be adjusted to provide slight tension....then BOTH systems will also apply equal pressure to any "rudder post". In fact, any movement or tendency to tighten the chains ....will increase the pressures of the compression springs upon the system even greater than the original tension springs. (By the way, the tension springs shown at Spruce is also not original. They are a "lightweight" kit,....smaller diameter than the original springs. The original types are (I believe) known as the "heavy duty" tension spring kit, ....not displayed...but available from Spruce as PN 06-00008... for about $20.

Sorry George. I was just trying to give a look at what the differences were. This seemed like the quickest and easiest way. I tried to just cut and past the picture but couldn't get that to work. I suppose I could have gone back and researched how to do that but was being lazy.

N2255D wrote:Sorry George. I was just trying to give a look at what the differences were. This seemed like the quickest and easiest way. I tried to just cut and past the picture but couldn't get that to work. I suppose I could have gone back and researched how to do that but was being lazy.

What are you apologizing for, Walt? I think it was pretty nice and helpful of you to do it! No complaints here. Thanks!

I also think that was pretty nice... thanks.
Looks like I have compression springs.