[Brandon_L]

Were planning on having an arm and tube gripper powered by pneumatics. The arm design depends on the claw/grabber we make, so were were waiting on exact measurements on it until the claw is done. The arm design uses 2 pneumatic cylinders, but if it needs to extend longer then it may use 4. We are torn between two designs for a gripper/claw, both of which use one pneumatic cylinder.

My question is:
If we were to lock onto a tube with our claw, whatever design it is (Both of our choices have one pnuematic cylinder) and then go to lift the arm and then extend it, will the system have enough air to keep a good grip on the tube? How far would the pressure drop if we used two on the arm? four?