Engaging the motor and locking mechanism controls {TAIL ~ the guidance} and {HEAD ~ stability} of the overall vessel, and the pitch of the hydrofoil 
Engaging the motor and locking mechanism controls { TAIL ~ the guidance } and { HEAD ~ stability } of the overall vessel , and the pitch of the hydrofoil
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH