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Flex temp is a technique used to produce cost savings through increased engine life and reduced overhaul and fuel costs [1] for airliners by allowing them to take-off at less than rated thrust.
The A330-200F is an all-cargo derivative of the A330-200 capable of carrying 65 t (140,000 lb) over 7,400 km (4,000 nmi; 4,600 mi) or 70 t (150,000 lb) up to 5,900 km (3,200 nmi; 3,700 mi). [66] To overcome the standard A330's nose-down body angle on the ground, the A330F uses a revised nose undercarriage layout to provide a level deck during ...
Between 1950 and 2018, efficiency per passenger grew from 0.4 to 8.2 RPK per kg of CO₂. [1]The fuel economy in aircraft is the measure of the transport energy efficiency of aircraft.
The engine performance deteriorates with use as parts wear, meaning the engine has to use more fuel to get the required thrust. A new engine starts with a reserve of performance which is gradually eroded. The reserve is known as its temperature margin and is seen by a pilot as the EGT margin. For a new CFM International CFM56-3 the margin is 53 ...
a=chord, b=thickness, thickness-to-chord ratio = b/a The F-104 wing has a very low thickness-to-chord ratio of 3.36%. In aeronautics, the thickness-to-chord ratio, sometimes simply chord ratio or thickness ratio, compares the maximum vertical thickness of a wing to its chord.
With a fuel fraction of nearly 85%, the GlobalFlyer could carry 5 times its weight in fuel.. In aerospace engineering, an aircraft's fuel fraction, fuel weight fraction, [1] or a spacecraft's propellant fraction, is the weight of the fuel or propellant divided by the gross take-off weight of the craft (including propellant): [2]
The A330-800 was introduced by Kuwait Airways on 20 November 2020. The A330-800 retains the fuselage length of the A330-200, but can seat six more passengers (for a total of 252) with an optimised cabin featuring 18-inch-wide economy seats. [15] The -800 should have a range of 7500 nmi (13,900 km; 8,600 mi) with 257 passengers (406 max). [74]
Lift and drag are the two components of the total aerodynamic force acting on an aerofoil or aircraft.. In aerodynamics, the lift-to-drag ratio (or L/D ratio) is the lift generated by an aerodynamic body such as an aerofoil or aircraft, divided by the aerodynamic drag caused by moving through air.