WARNING:
This is
non-certified
aircraft engine , the possibility of engine failure exists at all time.Do not operate this egine
over densely populated areas.Do not operate this engine over terrain where a safe, power off landing cannot be
performed.
NOTE
Minimum Oil Temperature of 50 deg C should be reached before take off. Operate for 2 min at 2000 rpm
continue at 2500 rpm until minimum temperature is reached.
2.3.2 Fuel
Fuel type En 228 Premium / Regular. Super grade gasoline, lead free, min RON 90.
2.3.3 Lubricating Oil
The 912 UL/912 ULS engine has an external sump, and the entire system is standard to the Rotax 912 engine.
The oil specification is given in the Rotax Operators Manual, Section 10.2.3, Lubricants. In general use
only synthetic or semi synthetic oil, API classification .SF. or .SG. or later quality oils. Mulitigrade is
recommended. These oil types are detergent types.
Oil Capacity: 3 Litres Max, 2 Litres Min, and Consumption 0.06 Litres/Hr Max.
Two oils, which are recommended by the Rotax Service instruction 18, UL 97 are:
SHELL, Advance VSX 4, APISG, SAE 15W-50
VALVOLINE, Dura Blend Synthetic, APISJ, SAE 10W-40
2.3.4 Cooling System
Water-cooling system capacity is 2.5 l. See maintenance manual for further details.
2.4 Weight limits
Metric
Imperial
Maximum take off weight
472.5 kg
1050 lbs
Empty weight (with Emergency Rescue System)
232.5 kg
517 lbs
Permitted range of pilot weights
Front seat
55-100 kg
122-222 lbs
Rear seat
0-100 kg
0-222 lbs
Total maximum crew weight
200 kg
444 lbs
2.5 Operational Limits
2.5.1 Centre of Gravity limits
Centre of gravity limits are not critical on the trike of a flex wing ultralight. Having the trike unit attached
to the wing with a universal bracket, variations of cockpit loading and fuel loading cannot influence
the ultralight’s balance. The Aeros-2/Cross Country is therefore not critical in regards to centre of gravity although
the
distribution of load in the trike has an affect on the in-flight attitude of the ultralight.
2.5.2 Maneuvering Limits
All aerobatic maneuvers including spinning are prohibited.
Aerobatic manoeuvres including stalls, stalled spiral descents and negative G manoeuvres are not
permitted. It must be emphasized that a stall, spiral descent or negative G manoeuvre can never be
conducted safely. These manoeuvres put the ultralight outside the pilots control and put both the ultralight
and its occupants in extreme danger.
Do not pitch nose up or nose down more than 45 degrees from the horizontal. The front support tube of
the trike and the pilot’s chest limit the fore and aft movement of the control bar respectively.
Do not make high speed abrupt turns.
2.5.3 Bank Angle
Do not exceed 60 degrees of bank angle. In roll there is no stop for the control movement. When performing the pre
flight procedure check that the wing moves freely by lowering each wing to within 10 cm of the ground (on ground
level).
