ULPOWER UL260i - Engine views

Operating Manual ULPOWER UL260i UL260iF UL260iS UL260iSA
MO 260A01 Revision No: 6 Date: 2014-09-15 Page: 6 of 22
Engine description
General Description
 4 stroke, 4 cylinder, horizontally opposed
 Electronic multipoint fuel injection (pressure and temperature compensated)
 Electronic spark ignition (variable timing)
 Electronic RPM limiter
 Direct propeller drive
 5 bearing crankshaft with a 6
th
large thrust bearing (ball bearing type)
 Single central camshaft
 Push rods, Solid Tappets (no hydraulic compensation) and Over head valves
 Wet sump forced lubrication with integrated pressure regulator
 Ram air cooled cylinders and cylinder heads
 Integrated AC generator, external rectifier-regulator
 Electric starter
 Electric fuel pump and pressure regulator
Specifications
UL260i
UL260iF
UL260iS
UL260iSA
Displacement:
2592 cc
Bore:
105.6 mm
Stroke:
74 mm
Compression Ratio:
8,16 : 1
9,1:1
Firing order:
1 – 3 – 2 – 4
Direction of Rotation:
Clockwise – Pilot's view – Tractor configuration
Torque (ISA conditions):
217 Nm @ 2500 rpm
237Nm @ 2800 rpm
Power rating (ISA conditions):
97 hp @ 3300 rpm
(85 hp @ 2800 rpm)
100 hp @ 3100 rpm
(92 hp @ 2800 rpm)
107 hp @ 3300 rpm
(93 hp @ 2800 rpm)
Basic standard engine weight:
60,1 kg (including starter motor and alternator)
61 kg
DC output:
30 Amp
Oil capacity:
3 L
Fuel (unleaded):
MOGAS with min. 95
octane rating or
AVGAS ( 95 octa =
87Mon = 91AKI )
MOGAS with
min. 98 octane rating or AVGAS ( 98 Oct =
90MON = 94 AKI )