Aircraft and systems on board
Power plant and propeller
Sinus ultralight motorglider may be equipped with various three engines.
Engine types:
Engine: ROTAX 503 (two-stroke inline, two cylinders, 497 cm
3
)
twin carburated - double electronic ignition
cooling: fan cooling
lubrication: by adding oil into fuel or using an independent oil pump
reduction gearbox: Rotax type “B” or “C”
reduction ratio: 1 : 2,58 or 1: 2,62 (1:3 optional)
el. generator output power: 170 W at 6000 RPM
starter: electric
engine power: 45 (49) HP at 6600 RPM
battery: 12 V, 8 Ah
Engine: ROTAX 582 (two-stroke inline, two cylinders, 580 cm
3
)
twin carburated - double electronic ignition
cooling: water cooling, own radiator and water pump
lubrication: by adding oil into fuel or using an independent oil inject. pump
reduction gearbox: Rotax type “B” or “C”
reduction ratio: 1 : 2,58 or 1: 2,62 (1:3 optional)
el. generator output power: 170 W at 6000 RPM
starter: electric
engine power: 64 HP at 6600 RPM
battery: 12 V, 8 Ah
Engine: ROTAX 912UL (4-stroke boxer, four cylinders, 1211 cm
3
)
twin carburated - double electronic ignition
cooling: housing aircooled, cylinder heads watercooled - own radiator and
pump, other moving parts oilcooled - own radiator and pump
lubrication: centrally oiled - own oil pump and radiator
reduction gearbox: integrated
reduction ratio: 1 : 2,27
el. generator output power: 250 W at 5500 RPM
starter: electric
engine power: 80 HP at 5500 RPM
battery: 12 V, 8 Ah
All metal ropes used are re resistant, kept inside metal, self-lubricating exible tubes.