Quote:
Originally Posted by martin417
I would guess that they are using the surgical tubing for the force, and the cylinders to stretch the tubing. You can get more stretch force on the extend side.
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Force is the pressure x area of the plunger. With the rod in place you will get less force, and thus be able to strech the tubing less.
I'm just wondering if there isn't some other design consideration that validates why he'd pull instead of push with the cylinder.