The thruster tunnel comprising {TAIL ~ a propeller section}, first and second tapered tunnel sections interconnected with one another by the propeller section, the propeller section and the first and {HEAD ~ the second tapered tunnel sections} oriented substantially transversely to a keel of the vessel and accommodating the transmission and propeller assembly 
The thruster tunnel comprising { TAIL ~ a propeller section } , first and second tapered tunnel sections interconnected with one another by the propeller section , the propeller section and the first and { HEAD ~ the second tapered tunnel sections } oriented substantially transversely to a keel of the vessel and accommodating the transmission and propeller assembly
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH