2. Product explanation 2.2.2 Fresh Wat er Coo l ing Type , G MF series Eng1ne Model 2GM20F I 3GM30F - Type Vert1cal 4-cycle w 1------ ______ Swirl pre-c ater cooled diesel engine ombustlon cham be r Combustion system Num ber of cylinders 2 I 2 (2.95 )( 2.83) 75 )( 7 3 Bore • stroke mm (tn.) Displacement (cu.in.) 0.636 (38.81) 0.954 (58.21) OutpuVcrankshaft kW /rpm 11.8/3400 17.7/3400 speed (HP/rpm) (16.013400) (2A 1/3400) Continuous Brake mean kg/em 6.66 rahng output effective pressure (lbJin:') (94.71) Piston speed m/sec.
8.16 (ft./sec.) (26.77) OutpuVcrankshaft kW/rpm 13.4/3600 20.1/3600 One hour speed (HP/rpm) (18.2/3600) (27 .3/3600) rating out put Brake mean kg/em' 7 07 effective pressure L (lb./ln. ) (1 00.5 4) Piston speed ~ Compress1on r atio liiil FuellnJechon t m/sec. 8.64 j{ft.tsec.) (28.35) 23.0 1mmg (b.T.D.C.) 15:t1 18±1 Fuel intecllon pr essure kg/em 170:t5 _ QbJin.) 2 ( 347 2489) - eoff Matn power tak at Flywheel side Front power ta keoff at Cran k shaft V-pulley side Direction of Crankshaft kwlse viewed from stern Counter·clo c s Clockwt e viewed from stern - rotallo_n __ Prope ll er shaft (Ahead) closed forced lubrication 1 Cooling system Fresh water c ooling with heat e :::.x..:
c_han=g~er:__ __ ~--t Lubrication sys tem Complete en ·- -· Type Electric __ ___ _ Starling Start1ng motor DC 12V,l.OkW -- ---- 12V.55A :..:.._ ____ ~ __, ~tern AC generator -'- Model KM2P KM2P KM3P Mechanical co ne clutch w1th single s1age Type for bot ha head and astern Reduction Forward 2.21 2.62 3.22 Marine gear ratio Reverse f=------,,..----1 system Propeller Forward speed ~3 . ..:..06=--+~3.06 _+-....; 3.06 455 (17. 91 ) 455(17.91) 545 (21 .45) 545(21 .45) --+- 2.6 {158.65) 2.6(158.65) Lubricahng oil ~aoacttv (ra ke artgle 8•) 1.6 (97.63) 1.6(97.63) - 137 (301.4) 138(303.6) Engine we1ght with marineg .,_e:..:car=--- --+ Cooling water capacity Fresh water tank ' (cu.
ln .) +---- (fresh water) Sub-tank ' (cu.ln.) 3.4 (207 .48) 0.8 (48.82) (Note) 1 Rating condition: ISO 3046-1. 2. 1hp .0.7355 kW. 10 2.21 3.06 2.62 3.20 3.16 3.06 1540 1298 1063 1076 0.35(21.36) 1113 1113 0.3 (18.31) 11.5(25.36) - 745(29.33)