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2. Product explanation

2.2 Engine Specifications

2.2.1 Direct Seawater Cooling Type, GM series

(Note) 1. Rating condition: ISO 3046-1 and ISO 8665. 2. 1hp=0.7355 kW.

Engine Model 1GM10

Type Vertical 4-cycle water cooled diesel engine

Combustion system Swirl pre-combustion chamber

Number of cylinders 1

Bore × stroke mm (in.) 75 × 72 (2.95 × 2.83)

Displacement l (cu.in.) 0.318 (19.40)

Continuous

rating output

Output/crankshaft

speed

kW/rpm

(HP/rpm)

5.9/3400

(8.02/3400)

Brake mean

effective pressure

kg/cm

(lb./in.

)

6.66

(94.71)

Piston speed

m/sec.

(ft./sec.)

8.16

(26.77)

One hour

rating output

Output/crankshaft

speed

kW/rpm

(HP/rpm)

6.7/3600

(9.1/3600)

Brake mean

effective pressure

kg/cm

(lb./in.

)

7.07

(100.54)

Piston speed

m/sec.

(ft./sec.)

8.64

(28.35)

Compression ratio 23.0

Fuel injection timing (b.T.D.C.) °

± 1

Fuel injection pressure

kg/cm

(lb./in.

)

170 ± 5

(2347 - 2489)

Main power take off at Flywheel side

Front power take off at Crankshaft V-pulley side

Direction of

rotation

Crankshaft Counter-clockwise viewed from stern

Propeller shaft (Ahead) Clockwise viewed from stern

Cooling system Direct seawater cooling (rubber impeller water pump)

Lubrication system Complete enclosed forced lubrication

Starting

system

Type Electric and manual

Starting motor DC 12V, 1.0kW

AC generator 12V, 35A

Marine gear

system

Model KM2P

Type

Mechanical cone clutch with single stage

for both ahead and astern

Reduction

ratio

Forward 2.21 2.62 3.22

Reverse 3.06 3.06 3.06

Propeller

speed

Forward rpm 1540 1298 1055

Reverse rpm 1113 1113 1113

Lubricating oil capacity

l (cu.in.) 0.3 (18.31)

Weight kg (lb.) 10.3 (22.71)

Dimensions

Overall length mm (in.) 554 (21.81)

Overall width mm (in.) 410 (16.14)

Overall height mm (in.) 485 (19.09)

Lubricating oil

capacity

(rake angle 8°)

Tota l l (cu.in.) 1.3 (79.33)

Effective l (cu.in.) 0.6 (36.61)

Engine weight with marine gear kg (lb.) 76 (167)

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Yanmar 1GM10V Specifiche Pagina 9

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