You are presently gazing at the pedal powered submarine, called Scubster. Built by French engineers, this 3.5m underwater vessel is propelled forward by simple pedaling [no harmful emissions involved]. Although the compartment is watertight, one has to have an oxygen cylinder and mask to enjoy the ride. The man powered craft can speed up to 8km/hr [5mph] with the efficiency directly depending upon the rider. The more you pedal, the faster it is
upon the rider. The more you pedal, the faster it is
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