Well, the type of extension i need is a horizontal one. I don't need to lift anything. I am using this extension mechanism as mean of blocking another robot. I have thought in the fork lifting mechanism like the one
Billfred has sent in this link
http://www.chiefdelphi.com/forums/a...tachmentid=2834 but I don't know how would it affect the balance of the robot; especially when u extend for about 6 meters.
If I used a light material, will it work ?