AIRCRAFT OPERATING INSTRUCTIONS
Doc. No. HARMAOIUS
June 01, 2011
7-9
Section 7
Airplane and System
Description
Check: Check the lock visually for deformations
Adjustment: Release the socket wrench screws on back of the lock,
adjust lock position and tight the socket wrench screws.
7.11 Power unit
7.11.1 General
The engine ROTAX 912 ULS (100 hp) is standard used to power
HARMONY LSA airplane. IFR version is fitted with certified ROTAX
912S.
ROTAX 912 is a four-cylinder, four-stroke engine with opposite
cylinders, central cam shaft and OHV valve mechanism.
The
on-ground
adjustable,
composite,
3-blade
propeller
WOODCOMP KLASSIC 170/3/R is standard mounted on the
engine ROTAX 912 ULS.
IFR version is fitted with ground adjustable, 3-bladed, composite
Warpdrive CF prop, with Nickel protection of blade leading edges.
Other propeller type can be installed on customer
’
s request
- see
Section 9 for detailed information.
7.11.2 Engine control
Engine power is controlled by means of THROTTLE lever, which is
located in the middle of the instrument panel and which controls
engine power range from idle up to maximum take-off. Engine
power controller is mechanically interconnected with the flap on
carburetors.
If the lever is fully pushed in, then this position corresponds to
maximum engine power. If the lever is fully pulled out, then this
position corresponds to idle. Rapid changes in engine power setting
can be made by pressing down the round button on the lever body
and by its pulling out or pushing in. Small changes in power setting
can be performed through lever turning (counterclockwise - power
increase).
The lever is fitted with the locking ring, counterclockwise turning of
which ensures locking of the lever in requested position.
Summary of Contents for Harmony LSA
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