engine installation at RUAV 200
Mission Profile OF RUAV engine
Hindustan Aeronautics Ltd. is developing single engine powered Rotary Unmanned Aerial Vehicle for the use of Indian Armed Services for troop logistical re-supply roles.
RUAV ENGINE OPERATIONAL REQUIREMENTS:
Temperature : -30 to + 55 Deg C
Altitude : Sea Level to 20,000 ft
Continuous Power (MCP) @ 18000 ft. (ISA+20 C) -30 kW
Peak power (TOP) @ 18000 ft (ISA+20 C) -34 kW for 10 minutes (max.)
Engine’s continuous operating speed shall be a fixed speed in the range of 5500 to 6500 rpm. Engine should run at constant speed for the varying power. Engine SFC to be less than 0.35 kg/kW- hr at cruise / continuous operation.
Dry weight of the engine including engine cooling system, engine lubrication system, ECU, engine harness, engine exhaust, accessories and Reduction Gear Box (if any)excluding starter-generator shall be less than 52 kg.
The engine installation will be of closed type i.e. within the airframe with adequate accessibility for maintenance. To accommodate the engine within the given dimensional envelope, belt drive arrangement (if required) can be provided to position the
engine output flange in line with main gearbox input flange, as a part of engine. The engine is mounted horizontally in the nose cone section of RUAV using suitable mountings as per the installation requirement of the engine. The engine drives the gear box through a flexible drive shaft to take care of any misalignment
Self contained cooling system is required for the safe engine operation under all operating conditions on ground and flight.
Engine fuel system to be integral part of the engine with fuel pump. The engine fuel system should be provided with fuel filter with bypass feature, in order to ensure continued supply of fuel to engine in case of fuel filter clogging. There shall be a fuel filter pre-clog indication through the ECU.