G-LOADS
Operational : -1 to +3.5 g
During crash : 20 g
ENVIRONMENTAL CONDITIONS:
3.4.1 Temperature:
Overall operational temperature limits : -45°C to 900°C
Storage temperature : -54°C to 85°C
3.4.2 Altitude.
-500 m to 7000 m(23,000 FEET)
Engine power : Take off power
Exhaust mass flow : 3 Kg/second (approx.)
Exhaust gas temperature : 670°C (approx).
The IR suppressor shall reduce the outer threat boundary from IGLA class of
missiles to less than 1.3 km in the rear hemisphere and less than 1 km in all
other aspects, from hover to maximum forward speed. The threat from the
modern Surface to Air and Air to Air missiles also shall be considered for
the design of the system. It is preferable to avoid ejection of engine hot
gases below and to the sides of the helicopter.
The Total requirement of 81 sets of subject item are as follows:
Production phase : 65 Sets
Spare : 16 Sets
The tentative schedule of requirements are as per the tabular column
Year of delivery 2009-10 2010-11 2011-12 2012-13 2013-14 2014-15
No. of sets 1 6 13 15 15 15
Spares - 1 3 4 4 4
Total no. of sets 1 7 16 19 19 19