A system comprising: a tunnel, wherein said tunnel is configured for immersion in a moving mass such that when immersed in a moving mass at least a part of the moving mass passes through the tunnel; an energy collector disposed in said tunnel, said energy collector having at least an open state and a collapsed state, wherein said energy collector in said open state is operable to resist a moving mass; a weight implement, wherein said weight implement is configured to be operable for retrieving said energy collector in said collapsed state; a first actuator device (130; 822) configured to engage said weight implement; a first actuator activator (103; 802) configured to activate said first actuator device (130; 820), wherein activation of said first actuator device (130; 820) is operable to transition said energy collector to said collapsed position; a second actuator device (130; 822) joined to said energy collector, said second actuator device (130; 822) being operable for transitioning said energy collector between said at least collapsed state and at least said open state; a second actuator activator (103; 804) disposed within said tunnel, said second actuator activator (103; 804) being operable for activating said second actuator device (130; 822), wherein alternate activation of said first actuator device (130; 820) and said second actuator device (130; 822) at least imparts a reciprocating motion of said energy collector and said weight implement; a cable system joining said first actuator (130; 820) and said second actuator (130; 822), wherein said cable system is operable for at least transferring said reciprocating motion of said energy collector and said weight implement; and a pulley system for at least translating said reciprocating motion of said energy collector and said weight implement to a rotational force, the system thereby configured for converting energy from at least a part of a moving mass passing through said tunnel to a rotational force. a tunnel, wherein said tunnel is configured for immersion in a moving mass such that when immersed in a moving mass at least a part of the moving mass passes through the tunnel; an energy collector disposed in said tunnel, said energy collector having at least an open state and a collapsed state, wherein said energy collector in said open state is operable to resist a moving mass; a weight implement, wherein said weight implement is configured to be operable for retrieving said energy collector in said collapsed state; a first actuator device (130; 822) configured to engage said weight implement; a first actuator activator (103; 802) configured to activate said first actuator device (130; 820), wherein activation of said first actuator device (130; 820) is operable to transition said energy collector to said collapsed position; a second actuator device (130; 822) joined to said energy collector, said second actuator device (130; 822) being operable for transitioning said energy collector between said at least collapsed state and at least said open state; a second actuator activator (103; 804) disposed within said tunnel, said second actuator activator (103; 804) being operable for activating said second actuator device (130; 822), wherein alternate activation of said first actuator device (130; 820) and said second actuator device (130; 822) at least imparts a reciprocating motion of said energy collector and said weight implement; a cable system joining said first actuator (130; 820) and said second actuator (130; 822), wherein said cable system is operable for at least transferring said reciprocating motion of said energy collector and said weight implement; and a pulley system for at least translating said reciprocating motion of said energy collector and said weight implement to a rotational force, the system thereby configured for converting energy from at least a part of a moving mass passing through said tunnel to a rotational force.