Petter AB1W - Page 6

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technical data ACIW
Bore (nominal)............................................ 3in (76.2mm)
Stroke. ....................................... 2.625in (66.68mm)
Power and speed (B.S. continuous rating):
2.8 bhp at 1500 rev/min
3.3 bhp at 1800 rev/min
4.0 bhp at 2100 rev/min
6.0 bhp at 2500 rev/min
6.0 bhp at 3000 rev/min
6.5 bhp at 3600 rev/min
Cubic capacity............................................. 185 in³ (304 cm³)
Compression ratio ................................... 17 to 1
Lubricating oil pressure (min.)................... 35 tot/in² (2.46 kgf/cm²)
Fuel injection release pressure................. 2350/2650 lbt/in² (165. 2/186 3kgf/cm²)
Fuel injection timing (by spill):
Fixed speed
Up to 2200 rev/min........................... 26° before TDC
2201 to 2700 rev/min....................... 28° be fore TDC
2701 to 3300 rev/min....................... 32° be fore TOC
3301 to 3600 rev/min....................... 33° be fore TDC
Variable speed........................................ 28° before TDC
Inlet valve opens........................................ 13° before TDC
Inlet valve closes........................................ 38° after BDC
Exhaust valve opens.................................. 38° before BDC
Exhaust valve closes ................................ 13° after TDC
Reduction gear ratio ............................... 6:1
Fuel tank capacity (engine mounted)........ 9 pints (5.13 litres)
Oil capacity................................................. 43/4 pints (2.7 litres)
Lubricating oil............................................. See approved list
Fuel............................................................. A high-grade light distillate diesel fuel
in accordance with B S Specification No
2869 1967 Class A1 or A2
Water capacity: Temperate Tropical Cooling tank
........................................... 70 gal (318 litres) 170 gal (773 litres)
‘Run through' water per bhph................... 3 gal (13.6 litres)
Starter motor battery................................. 12 Volts 50 Ampere hour (min.)
Negative earth
NOTE: Oil capacities, etc. are based on the Imperial (UK) gallon 5