Commander, Naval Air Systems Command (Code 2.0), 1421 Jefferson Davis Hwy, Arlington, Va 22243-5120

28 -- HEAVY FUEL ENGINE REQUEST FOR INFORMATION POC Contact, Michael McLoughlin, Phone (703)604-0903 As part of a market survey, the Naval Air System Command (NAVAIR) is interested in obtaining information on Heavy Fuel Engines (HFEs) which are suitable for application in tactical unmanned aerial vehicles (UAVs). The desired engine design must be based on available/mature state of the art engine technologies which require only limited modifications for adaptation and integration. We are not interested in responses which contain conceptual designs or require application of advanced materials which have not been validated or proven. The engine application(s) are pusher type propulsion and power systems which burn JP-5/8 and diesel fuel. Complete system(s), including intake, exhaust, cooling and gear drive hardware should weigh between 75 and 310 pounds, depending on horsepower. The Government is particularly interested in engines with the following basic characteristics: OUTRIDER TACTICAL UNMANNED AERIAL VEHILCE (TUAV) CHARACTERISTICS: * Operating Altitude: 0 to 15,000 ft required * Temperature Range (Starting & Operating) (-31 to +49) deg C required 60 hp @ 5,000 rpm take-off (60 sec at sea level) 50 hp @ 4,500 rpm (continuous at sea level) * Propeller rpm: 1000 - 5000 rpm required 600 - 5,000 rpm desired * Specific Fuel Consumption (SFC): 0.5 lbs/hp-hour (required @ loiter) 0.45 lbs/hp-hour (or less desired @ loiter) * Max Installed Weight-includes base engine, exhaust system, fuel system, accessories (oil pumps, water pumps, coolant, power electronics for control and conditioning, cooling system, etc.), alternator (2kw) and gear drive, if required: 90 lbs max required 75 lbs desired * Installation envelope: 26.5 inches from firewall to aft end of engine 21.0 inches wide 15.9 inches high * Time Between Overhaul (TBO): 250 hours minimum required 1000 hours desired PREDATOR MEDIUM ALTITUDE ENDURANCE (MAE) UNMANNED AERIAL VEHICLE (UAV) CHARACTERISTICS: * Operating Altitude: 0 to 30,000 feet minimum * Cold start Temperature: -30 deg. (C) or less * Operating Temperature: -55 deg. (C) to 50 deg.(C) * Horsepower to Propeller: 120 hp minimum - growth to 150 hp @ 2300 rpm (continuous at sea level), 45 hp minimm @ 2300 rpm (30,000 feet altitude) * Propeller rpm: 500 or less at idle 2300 or less at full power, sea level conditions * Specific Fuel Consumption (lb/hp-hr): Full power .60 or better required .50 or better desired Loiter (15,000 ft., 30 hp) .45 or better required .35 or better desired * Max Installed Weight - includes base engine, exhaust system, fuel system, accessories (oil pumps, water pumps, coolant, cooling system, power electronics for control and conditioning, etc.), alternator (5kW) & gear drive, if required: 310 lbs max required * Time Between Overhaul (TBO): 500 hr. required 1000 hr. or greater desired * Installation envelope: 27.5 inches from firewall to propeller flange 23.0 inches wide 18.0 inches high * High propeller centerline for low slung engine installation desirable. While an engine family concept is the desired solution to this need, point designs will be considered when they offer weight, cost or performance advantages. We ask that your response include the following data (in all cases please state whether the information is predicted or demonstrated/actual): - Technical description and substantiation of the engine design and characteristics including: - Core Engine - Induction System (Fuel Injection, Turbo/Supercharger, etc.) - Exhaust System - Lubrication System, including hoses, fittings, and heat exchangers - Cooling System, including hoses, fittings, and heat exchangers - Engine control System, including sensors - Throttle Servo - Propeller Reduction Gearbox - Propeller Pitch Change Mechanism - Propeller Assembly - Engine Mounting System, including Frame - Accessories, including alternator - A review of exploratory, engineering development or R&D programs which provide support of engine design and performance - Technical details of life predictions in cycles, durability data, test results or other background factors which prove design concept - Installation drawings showing engine and engine components design features - Engine components weight summary by major components or assembly - Engine operating limits; temperatures, altitude, air speed, RPM (low/high), etc. - Major components material list - Performance curves (Hp, SFC, Torque, etc.) - Engine form factors - Engine power lapse with altitude - Time Between Overhaul (TBO) - Method accessories (fuel injection pump, oil pump, coolant pump, alternators, etc.) will be driven? - Method for starting engine including low temperature (-31 deg C) starts - Total developmental and test time accumulated to date - Total dollar amount invested to date (Gov't and private sector and combined) - Engine control logic In addition to the above information, we desire information on the engine development status (design verification testing, design/configuration stability, schedule/time frame to reach production status, status of required drawings/blueprints, etc.) and an estimate of engine family, your approach to scaling your engine to meet the requirements for both Outrider and Predator, as defined above, is requested. It is anticipated that data derived from this Request For Information (RFI) will be used in defining the requirements for a future Request For Proposal (RFP). Interested parties should submit a written statement of interest, including a description of the item considered to meet the criteria stated herein with the above requested supporting data, within 21 days of publication of this announcement to: commander, Naval Air System Command, Attn: AIR-2.4.2.5, Bldg. CG-4, Rm. 412, 1213 Jefferson Davis Hwy., Arlington, VA 22243-2170. FAX: (703)604-1236 Attn: M. McLoughlin. - NAVAIR Synopsis No. 40066-96. (0229)

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