Looks just like an RB80 clone. They arent pendulums either. Thats where you only have one hose not 2 to form the loop.
Matt
Looks just like an RB80 clone. They arent pendulums either. Thats where you only have one hose not 2 to form the loop.
Matt
With the flat back end to the main cylinder, and the stage cylinders slung on the side at an angle, likely that setup would cause a LOT of hydrodynamic drag in swimming.