2. Product explanation 2.2.5 Direct Seawater Cooling Type, GMC se ries (N ote) 1. Rating co ndition: ISO 3046-1. 2. 1 hp-0. 7355 kW. (Note) Sail drive unit will be coupl ed wi th the eng in e In th e market. 13 2GM20C 3GM30C Vertical 4-cycle water cooled diesel engine Combustion system Swirl pre-combustion chamber I Number of cyll~nd:..:~ ers:..__ ____ 2 3 ·- Bore x stroke mm (in.) 75 72 (2.95 2.83) X X Dasptacement (cu.ln.) 0.636 (38.81) 0.954 (58.21) Output/crankshaft kW/rpm 11.8/3400 17.713400 speed (HP/rpm) - (16.0/3400) (24.113400) Continuous Brake mean kg/em 6.66 rating output effective pressure (lb./ln.) (94.71) m/sec.
8.16 Piston speed (ft./sec.) (26.77) Output/crankshaft kW/rpm 13.4/3600 I 20.1/3600 One hour speed (HP/rpm) (18.2/3600) (27 .313600) raltng output Brake mean kg/em 7.07 effecttve pressure Ob./in.) (100.54) m/sec.
8.64 Ptston speed - (f1Jsec.) (28.35) Compresston ratio 23.0 ·- • Fuellnject•o n tomlng (b.T.D.C.) 15:d 18:t1 kg/em 170±5 Fuellnjectio n pressure (lb./in:) (2347- 2489) Matn power take off at Flywheel side Front powe r take off at Crankshaft V·pulley side Direction of Crankshaft Counter-clockwise vtewed from stem ~ t rota !ton Propeller shaft (Ahead) Clockwtse viewed from stem Cooling syst ern Direct seawater cooling (rubber impeller water pump) Lubrication system Complete enclosed forced lubncation -- 1 Type Electric and manual Starttng Starting motor DC 12V, 1 OkW system AC generator 12V.55A Model - SD20 - Type - Sail drive unit- Dog type clutch, spiral bevel gear type Reduction Forward 2.64 Sail drive ratio Reverse 2.64 system Propeller Forward rpm 1290 speed Reverse rpm 1290 Overall length mm (in.) 503 (19.80) 591.5 (23.28} Dtmens10ns Overall width mm Qn.) 455 (17.91) 455 (17.91) Overall hetght mmOn.) (19.50) 495 (19.50} 4~5 Lubricating oil Total (cu.tn.) 2.0 (122.03} - 2.6 (158.65) capac tty (rake angle 8') Effective (cu.
ln.) 1.3 (79.32) 1.6 (97.63) 2GM20C 3GM30C mm (in.) (cu.ln.) 455 (17.91) 455 (17.91) 495 (19.50} (19.50) 4~5 2.0 (122.03} - 1.3 (79.32) 2.6 (158.65) 1.6 (97.63) 1 Engine welg hi Wtlh saO drive kg (lb.) 134 (294.8) 153 (336.6) at Crankshaft V·pulley side Counter-clockwise vtewed from stem ~ Clockwtse viewed from stem Direct seawater cooling (rubber impeller water pump) Complete enclosed forced lubncation -- Electric and manual DC 12V, 1 OkW 12V.55A Starting motor AC generator Model - - SD20 Sail drive unit- Dog type clutch, spiral bevel gear type Type - Forward Reverse 2.64 2.64 1290 Forward rpm rpm Reverse