Searey LSA – Pilot’s Operating Handbook Version 5.0, Revision 8
8
General limitations for maneuvering in this aircraft are:
30 degrees pitch, 40 degrees angle of bank
WARNING: Aerobatic maneuvers, including spins, are not permitted.
2.9 TOTAL FUEL CAPACITY
23 Gallons
2.10 TOTAL USABLE FUEL
22 Gallons
2.11 APPROVED FUEL TYPES
The Rotax engine(s) requires a minimum of 91 AKI ("premium"). Rotax
manuals mention a rating of 95. This rating is calculated based on the
RON standards used in Europe and is equivalent to a rating of 91 under
the AKI standards used in North America. Use of 100LL AvGas is also
allowed though not preferred. For further information refer to Rotax 912
ULS and 914UL series Operator’s Manual supplied with the aircraft.
In China besides AvGas 100LL, the fuel that can be used is 97#.
In all cases, we recommend using as high an octane rating as possible,
since fuel evaporates and quickly loses its octane rating when it lies in an
aircraft's fuel tank or in a plastic jug. A "premium" fuel will see its octane
rating reduced to unusable levels after as little as three weeks. Fuel with
a lower octane rating has an even shorter usable life.
Too low an octane rating will cause pre-ignition and detonation, which can
damage the piston ring grooves, skirt and crown.
Ethanol in fuel is allowed though not preferred up to a maximum of 10%
(E10). Ethanol added fuel can reduce its octane rating faster and should
be used up within a shorter period of time. Storage over longer period of
time requires removal of fuel.
2.12 MAXIMUM ENGINE POWER OUTPUT AT STATED RPM
With ROTAX 912ULS (Adventure Configuration)
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