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Among its deficiencies, CAG says the engine weight was higher than the design specifications, being 1,235 kg (2,723 lb) against 1,100 kg (2,400 lb), though the weight of first prototype, K1 was at 1,423.78 kg (3,138.9 lb) initially. There was no progress on developing the compressor, turbine and engine control systems.
The main petroleum component used in blending avgas is alkylate, which is a mixture of various isooctanes. Some refineries also use reformate.All grades of avgas that meet CAN 2–3 [further explanation needed], 25-M82 [further explanation needed] have a density of 6.01 pounds per US gallon (720 g/L) at 15 °C (59 °F).
Jet fuel vs oil prices. Oil prices increased about fivefold from 2003 to 2008, raising fears that world petroleum production is becoming unable to keep up with demand. The fact that there are few alternatives to petroleum for aviation fuel adds urgency to the search for alternatives. Twenty-five airlines were bankrupted or stopped operations in ...
Piston-engined aircraft use leaded gasoline and those with diesel engines may use jet fuel (kerosene). [1] By 2012, all aircraft operated by the U.S. Air Force had been certified to use a 50–50 blend of kerosene and synthetic fuel derived from coal or natural gas as a way of stabilizing the cost of fuel. [2]
By increasing efficiency, a lower cruise-speed augments the range and reduces the environmental impact of aviation.According to a research project completed in 2024 and focusing on short to medium range passenger aircraft, design for subsonic instead of transonic speed (about 15% less speed) with turboprop instead of turbofan propulsion would save 21% of fuel compared to an aircraft of ...
Aircraft engine performance refers to factors including thrust or shaft power for fuel consumed, weight, cost, outside dimensions and life. It includes meeting regulated environmental limits which apply to emissions of noise and chemical pollutants, and regulated safety aspects which require a design that can safely tolerate environmental hazards such as birds, rain, hail and icing conditions.
The Rotax 912 was first sold in 1989 in non-certificated form for use in ultralights and motorgliders. [3]The original 80 hp (60 kW) 912 UL engine has a capacity of 1,211 cc (73.9 cu in) and a compression ratio of 9.1:1, and is designed to work with regular automotive gasoline, with up to 10% ethanol.
For small aircraft, the MEW may include unusable fuel and oil. The Specification MEW excludes the weight of: All fuel (both usable and unusable). Potable water, anti-ice, and chemicals in toilets. Engine oil and APU oil. All specification items, selections, and installations which are non-basic (i.e. optional selections).
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