Btg 15.0Kw Speclficatlons - Westerbeke BTG 8.5 Operator's Manual

Engine Type
Engine Speed
Governor
Combustion Chamber
Bore & Stroke
Piston Displacement
Rring Order
Direction
of
Rotation
Maximum Torque
Compression Ratio
Compression Pressure
(Limit of difference
between cylinders)
Dimensions
Weight
Fuel Consumption
Inclination
Valve Timing
Valve Seat Angle
Valve Clearance
General
Distributor
Spark Plug Thread Size
Spark Plug Type
carburetor (STD type)
BTG 15.0KW SPECIFICATIONS
SPECIFICATIONS
Gasoline, four-cycle, two-cylinder, fresh water-
cooled, vertical in-line overhead valve
mechanism. (27 hp at 1800 rpm max.)
1800 rpm
@
60 Hertz
1500 rpm
@
50 Hertz
Hoof, flyball type, 5% speed regulation
Multi-sphere type
3.03 x 3.15 inches (77 x 80 mm)
90.0 cubic inches (1.481iters)
1-3-4-2
Clockwise, when viewed from the front
76.61b-ft (10.6 kg-m} at 1800 rpm
9.0:1
170 psi (12 kg/cm
2 )
at 300 rpm
(2.8 psi [2.0 kglcm•n
Height 23.63 inches (600.10 mm)
Width: 18.75 inches (476.25 mm)
Length: 33.63 inches (854.20 mm}
560 lbs (254 kgs}
1.9 U.S.gph (7.2 LPH) at full rated output
(approximate)
Continuous 15°
Temporary 25° (notto exceed 20 min.)
Intake Opens 15° BTDC
Intake Closes 58° ABDC
Exhaust Opens 58° BBDC
Exhaust Closes 15° ATDC
Intake 45°
Exhaust 45°
Intake 0.0098 inches (0.25mm)
Exhaust 0.0098 inches (0.25mm)
IGNITION
Battery ignition, 12 voHs, negative ground,
distributor with igniter, mobile pick-up, ignition
coil and spark plugs
Solid state type with signal generator and
igniter
14mm x 1.25 pitch
Westerbeke part number 033805
Down draft type, single barrel with USCG
approved flame arrester
General
Oil Riter
Sump capacity
(not including filter)
Operating Oil Pressure
(engine hot)
Oil Grade
General
Fuel
Lift Pump
Fuel Screen (engine)
Air Cleaner
Air Row
(engine combustion
General
Operating Temperature
Fresh Water Pump
Sea Water Pump
Sea Water Row
System Capacity
(fresh
water)
Starting Battery
Battery Capacity
DC Battery Charger
Starter
DC No-Load Current
DC Cranking Current
Engine_!]
&
Generators
55
LUBRICATION
Pressure type by Trochoid pump, chain-driven
by crankshaft
Full flow, paper element, spin-on type
3.9 U.S. qts (3.71iters)
25-35 psi (1. 7 - 2.50 kg/cm
2 )
API Category SJ, SL, SM or better.
SAE 30W, lOW-30
or
IOW-40
FUEL
Conventional carburetor type with fuel lift
pump
Unleaded 89 Octane or better.
Eth!ffiol blend EIO maximum.
12 volt DC, lift capacity 6ft (1.8m)
Reusable screen type (one at inlet to
carburetor and one in base of early style
fuel pump)
Metal screen type - cleanable
47 cfm (1.3 cmm)
COOLING
Fresh water-cooled block, thermostatically-
controlled with heat exchanger.
130-150° F (55 -66° C)
Centrifugal type, metal impeller, belt-driven.
Positive displacement rubber impeller,
belt-driven.
7 gpm (26.51pm) at 1800 rpm
(measured before discharging into the exhaust
elbow)
7 qts (6.61iters)
'ELECTRICAL , ,_
12-volt negative ground
400-600 C.C.A. rated minimum
90-125 (ampere-hours)
12VDC 50 amp rated alternator
12-Volt, 1.2 Kw, reduction type, solenoid
mounted
90Amp (max) at 11.5volts
175-200 amps (cold engine).