Horizontal Flight - Kazan Helicopters Mi-17-1V Flight Manual

M,,·17·1B. Flight manual
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85
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100
Fig. 4.2, Gas Generator Speed versus Engine Inlet Air Temperature
(H=O, V=O)
(4) The gas generator rotor speeds of the left and right engines are allowed
to differ in flight. At engine operational power ratings this difference
should not exceed 2%.
If the difference in the engines gas generator rotor speeds exceeds 2%,
or 3% upon actuation of the TGT limiter it is necessary to smoothly
change the collective pitch in small increments to set another power at
which the difference does not exceed the specified value.
(5) In the course of steady climb continuously monitor operation of the power
plant, transmission, systems and units of the helicopter by reading the re-
spective instruments.
(6) Upon reaching a desired altitude proceed to horizontal flight.
(7) Before proceeding to flight to an altitude above 3000 m don the oxygen
mask on the ground. The procedures of use of the oxygen equipment are
covered in Section 7.
4.6,
Horizontal flight
(1) The allowed horizontal flight lAS ranges are indicated in Table 2.1 for alti-
tude and helicopter takeoff weight.
(2) Execute prolonged enroute flying at the following speeds
(a) At the normal takeoff weight of 11100 kg:
230 to 220 km/h at altitudes up to 1000 m
4-9