Talk:Patrol Ship Multi-Mission
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[edit]The previous posts suggest that these ships all had the same PSMM MK-5 designation and that they had the same propulsion plant. Not true. The Korean ships were designated PSMM-Mk1 for the first three ships and PSMM MK1A for the follow ships. ALL of the Korean ships were powered by (6) TF-36 (2800 HP) turbines. They were COGAG (Combination Gas Turbine and Gas Turbine. Any quantity (up to six) power plants could be operated at any time. There was no diesel power at all. There were two shafts and combining gearboxes port and stbd which accepted three turbines each. These ships went 44 knots at their fastest. The propellers were Liaan controllable pitch. The ships had two, 150 KW generators capable of parallel operation.
The ships built for Taiwan (ROC) were designated PSMM MK-5. They had three shafts with Liaan CP props. Each shaft had a Lycoming TF-40 gas turbine and a Detroit Diesel 1200 HP engine. The power plant was CODAG (Combination Diesel AND Gas Turbine) The ships could operate diesel only, turbine only, or combined. These ships displaced 270 tone, not 240 and went about 40 knots. They were much more difficult to operate full power than the MK-1 and MK-1A ships.
Thailand never used this ship. They used a purely diesel powered boat with which I was not connected.
People looking for verification can contact me. I was the trials chief engineer in Tacoma and the project manager for the foreign builds.