2. Product explanation 2.2 Engine Specifications 2.2.1 Direct Seawater Cooling Type, GM series 9 I I Engine Model 2GM20 3GM30 _____ ~ - -- - - Vert•cal4·cycle water cooled diesel engine +-------- - CombuStiOn system- -----------4---------+----- Swart pre-combustion chamber Number of cylinders +------ 2 3 - Bore x stroke 75 72 (2.95 2.83) mm (ln.) X X I Displacement 0.636 (38.81) 0 954 (58.21) (!;u.m.) I OutpuVcrankshaft kW/rpm 11.8/3400 17 7/3400 speed (16.0/3400) (24 1/3400) IHP/mml Continuous Brake mean kg/em 6.66 rating output effectiVe pressure (lb./in. 1 (94.71) 8.16 m/sec.
Piston speed (26.77) (ft./sec.\ OutpuVcrankshaft 13.4/3600 20.1/3600 kW/rpm One hour speed HP/rR.m (18.2/3600) (27.313600) rating output Brake mean kg/em 7.07 effective pressure lb./in.) (100.54) ~ 8.64 m/sec.
Piston speed (28.35) (11./sec.) Compression ratio 23.0 Fuel injection tim1ng (b.T.D.C.) 15±1 18±1 - 170:5 kg/em Fuel injection pressure (234 7 - 2489) jlb.lin ) - -- - Main power take off --- at Flywheel side Front power take of-f ---- at Cranks haft V-pulley side Direction of Crankshaft Counter-cloc kwise viewed from stem rotation Propeller shaft (Ahead) Clockwis e viewed from stern ~--~--- Cooling system ------ Dttect seawater cooll ng rubber Impeller water pump) ( _ Lubrication system Complete enc Josed forced lubncauon ~-'-'--- Type Elect nc and manual Startang Starting motor DC 12V, 1.0kW system AC generator 12V.
SSA Model KM2P 1 KM3P e clutch with single stage Type ahead and astern I Reduction Forward .22 2.21 2.62 3.20 Marine gear ratio Reverse ------ .06 3.06 3.06 3.16 ---. system Propeller Forward rpm 1540 1298 1063 I ~;_:_:=--j-- speed Reverse rpm 113 1113 1113 1076 Lubricating oaf capacity (cu.an.) 0.3 (18.31} 0. 35(21 .36) Weight kg (lb.) 10.3 (22.71) 11.5(25.361 Overalllenglh- ---- mm (in.) 735 (28.9) 740(29 13) ...; _ Dimensions Overall width mm (ln.) 455 (17.91) 455(11.91) Overall height mm Qn.) 495 (1950) 5()) ~95(19 2.6 (158 65) 2.6(15865l 1.6 (97.63) 161'3763) 129 (283.8) 1301280) 2.21 2.62 I 3.20 3.06 3.16 1063 1076 0.3 (18.31} 0.
35(21 .36) 10.3 (22.71) 735 (28.9) 455 (17.91) 11.5(25.361 740(29 13) ...; _ 455(11.91) 495 (1950) 5()) ~95(19 2.6 (158 65) 1.6 (97.63) 2.6(15865l 161'3763) 129 (283.8) 1301280)