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

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Fig. 1.3. Maximum Takeoff Weight at Vertical Takeoff and Landing In Ground
Effect (Takeoff Power, n
mr
=
93,5%, with DPD installed, without Air Bleed to
DPD Ejector)
Takeoff weight shall be reduced:
by 200 kg with DPD ejector ON.
by 800 kg with engine and rotors anti-icing ON.
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MI1-17-1B. Flight manual
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Fig.1.4. Maximum Weight Increment versus Wind Speed and Direction at
Take-off and Landing In Ground Effect
The graphs 1.1. and 1.3 take into account the use of engine take off
power and do not take into account the air bleed for dust-protection de-
vice operation.
(2) The maximum takeoff weight determined by the graphs should be re-
duced:
(a) By 300 kg, the engine efflux screen being installed.
(b) By 200 kg, the dust protection device ejector being ON.
(c) By 800 kg with the engine and rotors anti-icing ON.
(3) To determine the helicopter maximum weight increment (decrement) un-
der no-wind conditions versus the wind direction and speed use the
graphs illustrated in Figs 1.2 and 1.4.
1-8