Airbus Defence and Space - A400M Heavy Airlifter Formation Flight [1080p]

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Europrop EPI TP400, the Most Powerful Turboprop in Production.

One of the key elements of the A400M´s versatility is its all-new, specifically designed three-shaft turboprop engine with eight bladed propellers. The 11,000 shp TP400- developed by Europrop International (EPI), a consortium comprising Rolls Royce, Snecma, MTU and ITP, is the most powerful turboprop in production. It allows a wide range of speeds and flight levels and offers extremely efficient fuel consumption. Powered by four of these turboprops, the A400M can cruise at altitudes as high as 37,000 ft at speeds up to Mach 0.72. This will permit the aircraft to fly above adverse medium level weather conditions and to be integrated into the commercial aircraft airspace. At the other end of the speed / range envelope, the A400M will be capable of flying at 110 kt and 5,000 ft to refuel helicopters, or even lower to drop equipment and supplies.

The down between the engines counter-rotation of the propellers, which turn in opposite directions, allows a structural weight reduction. The arrangement preserves the symmetry of the aircraft when the four engines are operating, and reduces the adverse yaw in case of an engine failure, allowing in turn a reduction in the size of the tail fin by 17 per cent, hence reducing weight and drag. Another consequence has been the possibility to improve by four per cent the lift at low speed and thus to simplify the slats and, as a result, reduce by eight per cent the surface of the horizontal stabilizer. Furthermore, it also reduces the level of vibrations and therefore the noise inside the aircraft.

The A400M features two Head-up-Dispays (HUD) which provide the pilots with all primary flight information together with Flight Director orders and flight guidance during critical mission phases, such as landing at unequipped airfields, in-flight refuelling or low-level flight.The A400M cockpit also features eight large interchangeable liquid crystal head-down displays. Six of these -- three for each pilot -- feature primary flight displays, navigation displays, management or video, while two are for the systems monitoring. These Flight Management System (FMS) screens are controlled through alpha-numeric keyboards for simpler entering of data. The optional Enhanced Vision System (EVS) based on Forward Looking Infra Red (FLIR) technology generates a sensor based image of the environment in front of the aircraft in low visibility conditions. The EVS image is displayed on the HUD to provide the pilots with additional visual cues.

Another key feature of the A400M is its computerized "fly-by-wire" flight controls already widely used on other state of the art civil transport aircraft. Replacing the conventional cables and pulleys by electrical wires linked to four independent flight control computers which send signals to actuators, not only reduces weight, but also maintenance time. This also gives a much greater precision to the commands. Furthermore, when in normal flight law, fly-by-wire controls permit the implementation of "flight envelope protection" which, by preventing the aircraft from stalling, allows the pilot to achieve optimum performance in a critical escape manoeuvre by simply pulling full stick back. The fly-by-wire system then manages the whole aircraft configuration accordingly.The fly-by-wire flight envelope protection is a great contributor to the survivability of the aircraft in a hostile environment, enabling the aircraft to achieve extreme escape manoeuvres.Thanks to fly-by-wire, the cumbersome central control column can be replaced by light and easy to handle side-stick-controllers, providing the pilots with a free view to the large TV-like screens in front of them, while also allowing for a foldable table to be pulled out as needed. Fan Funding : PayPal : arronlee33@hotmail.com. Thanks a lot for your support! :-)
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Pulleys with scale, pulleys, how pulleys work, physics

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