Installation Manual
UL
POWER
UL350i UL350i
F
UL350i
S
UL 350i
HPS
350i
SA
MI 350A01 Revision No: 7
Date:
2014-09-15
Page:
9
of
60
Engine description
General Description
4 stroke, 4 cylinder, horizontally opposed
Electronic spark ignition (variable timing)
Electronic multipoint fuel injection (pressure and temperature compensated)
Electronic RPM limiter
Direct propeller drive
6 bearing crankshaft with large thrust bearing (ball bearing type)
Single central camshaft
Push rods, Tappets 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
UL350i
UL350i
F
UL350i
S
UL350i
HPS
Displacement:
3503 cc
Bore:
105.6 mm
Stroke:
100 mm
Compression
Ratio:
8 : 1
8,7:1
Firing order:
1 – 3 – 2 – 4
Direction
of
Rotation:
Clockwise – Pilot's view – Tractor configuration
Torque
(ISA
conditions):
305Nm @ 2200rpm
320Nm @ 2400 rpm
Power rating (ISA
conditions):
120 hp @ 3300 rpm
(116hp@ 2800rpm)
100hp @ 2300 rpm
130hp @ 3300 rpm
(123 hp @ 2800 rpm)
145hp @ 3500 rpm
(131 hp @ 3000 rpm)
Basic
standard
engine weight:
66,1 kg (including starter motor and alternator)
69,4 kg
DC output:
30 Amp
Oil capacity:
3 L
Fuel (unleaded):
MOGAS with min.
95 rating or AVGAS
( 95 octa = 87MON
= 91AKI )
MOGAS with
min. 98 octane rating or AVGAS ( 98 Oct =
90MON = 94AKI )
Note:
The UL350iHPS is developed for helicopter applications. This engine is standard with forced air
cooling and run at a high Rpm level (3000-3500 rpm).
Summary of Contents for UL35Oi
Page 2: ......
