In regards to the U.S. Navy PBR31 Mk.II "Pibber"
Realizing that patrolling coastal and river waterways during a conflict in Vietnam was going to be acutely dangerous, the U.S. Navy sought out a watercraft design that would be quickly produced and used. One chosen had been a fiberglass-hulled pleasure craft built by Modutec Marine in Seattle Washington. The Patrol Boat, River or PBR since it was understood militarily, became one of many most effective weapons systems used in Southeast Asia. It absolutely was 31&39; 11" very long ; 11; 7" wide, and 9&39;9" high above the waterline. It displaced 8 3/4 tons loaded drawing two legs of water. It&39;s team of four was armed with a set of .50 cal weapon or grenade launcher installed on a tripod in the fantail, plus a single M-60 on a pipeline mount bolted to at least one of amidships splinter shields. It absolutely was running on two turbocharged Detroit Diesel 205 HP, V-6 marine engines, driving a couple of Jaccuzzi 14JY water jetdrives. The engines were located underneath the aft decking, and also the motorboat ended up being steered by two movable nozzles below the water line, attached to the rear transom. The water intakes were located on the hull base. It had a premier speed more than 25 knots. Surface radar and two-way radio equipment provided interaction and maneuvering safety.
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