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Nose wheel strut 7A

stiffener

I am getting the dreaded shimmy as well. In my build I opted to not add stiffeners to the main gear until I tested to see if I needed it. The shimmy isnt real bad with just the tap of a brake to turn slightly and it goes away. But I have noticed that on grass and unimproved strips its much worse. So, I'm going to add the stiffeners soon. I saw a guys plane once who added a shorter but similar stiffener to the back side of the nose gear leg and it seems to work so Im gonna try that too.
Mike
 
Mike Coady said:
I am getting the dreaded shimmy as well. In my build I opted to not add stiffeners to the main gear until I tested to see if I needed it. The shimmy isnt real bad with just the tap of a brake to turn slightly and it goes away. But I have noticed that on grass and unimproved strips its much worse. So, I'm going to add the stiffeners soon. I saw a guys plane once who added a shorter but similar stiffener to the back side of the nose gear leg and it seems to work so Im gonna try that too.
Mike
Click to expand...

Adding stiffeners as I understand is not always required, but may be a good idea for various reasons. I fly a 7A that I did not build... when I bought it back in 2006 the nose gear had only a foam material sprayed inside the gear fairing to reduce or eliminate vibration and movement of the both the gear leg and fairing. I did not experience any nose wheel shimmy until about a year or two ago. This past annual the shimmy was occurring too often, and I decided that the shimmy may have been the result of a bearing issue and replaced the taper bearings with Antisplat Aero's Nose Wheel Bearing MOD... Works great, problem solved!! Shimmy has not returned. Consider looking into the nose wheel bearing mod... :)

Victor
 
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