Underwater propulsion system comprised of oscillating fins adapted for mounting on a scuba tank operatively connected to oscillate transversely to the longitudinal axis of the scuba tank, which fins are configured to flex within a range of angles of attack with each stroke of the drive members

'adapt':8 'angl':38 'attack':40 'axi':23 'compris':4 'configur':31 'connect':16 'drive':46 'fin':7,29 'flex':33 'longitudin':22 'member':47 'mount':10 'oper':15 'oscil':6,18 'propuls':2 'rang':36 'scuba':13,26 'stroke':43 'system':3 'tank':14,27 'transvers':19 'underwat':1 'within':34

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