Home Built Pedal Powered Submarine | Boat Design Net
Ingenia - Racing human-powered submarines
Submarine pair aim to pedal the Channel
The Preposterous World of Human-Powered Submarine Racing
H I Sutton - Covert Shores
Stephane Rousson (bottom), chief designer of the Scubster submarine, a pedal -powered personal wet sub, is seen during testing as man on a bicycle fix to inflatable tubes looks on in Villefranche sur
Depth of imagination creates pedal power submarine
Across the ocean in a pedal-powered submarine | New Scientist