Quote Originally Posted by craig_colliass View Post
I can see this type of pneumatic actuator shows promise. if the end assembly could be made at reasonable cost this would be an interesting project to follow up Are there any Roboteer machinists that can quote for these parts?
They can exert around 35 x the force of the same size cylinder (at rest) and weigh a fraction of the amount. The downside is they only move 25% of their overall length as a rule of thumb.

Hence why they are the basis of mi proposed walking system, and potentially of a weapon too.

Am about to order a roll of kevlar braid from Australia