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  • tthorp2003 tthorp2003 Jun 23, 2012 6:53 AM Flag

    Article on New SUAS Engine

    Note the one shown in the picture is a twin cylinder prototype. I believe the one in the contract is a single cylinder engine.

    Orbital Corp wins $4.7m US Navy contract to supply drone aircraft engines
    by: Neil Dowling, motoring editor
    From: PerthNow
    June 20, 2012 11:06AM

    Director of engineering Geoff Cathcart with an early prototype of the HFE "Redback" Small Unmanned Aerial System engine.

    WA battler Orbital Corporation is flying high after winning a $4.7 million contract to supply a high-tech engine for a pilotless US Navy drone aircraft.

    Orbital's tiny two-stroke engine - dubbed Redback - overcomes some limitations of existing drone engines, including the ability to run on military-specified heavy fuel.

    In US military parlance, the Heavy Fuel Engine (HFE) designed and made by Orbital will run on kerosene-based fuel. Existing drones use standard petrol, but incur problems with high fuel use and volatility.