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The CB-40 was re-engineered to overcome problems of vibration and cooling in the original design. [2] Suited for ultralight use and single seat light sport aircraft, the engine weighs 86 lbs and produces 40 hp (30 kW). The engine uses a short aluminum crankcase with redesigned oil galleries for improved lubrication.
By May 2006, Limbach had produced more than 6000 engines. [2] The engines are certified according to CS-22 Subpart H [ 3 ] for use in motorgliders , CS-LSA [ 4 ] and CS-VLA [ 5 ] type of aircraft. Most Limbach engines are based on the Volkswagen flat-4 boxer unit with displacement of up to 2.4 liters, and up to 160 BHP in the turbocharged model.
The Rotax 447 is a development of the Rotax 377, increasing the power output from 26 kW (35 hp) to 29.5 kW (40 hp) by increasing the cylinder bore from 62 mm to 67.5 mm and the maximum rpm from 6500 to 6800. [2] The modern 447 has a single breakerless, magneto capacitor-discharge ignition (CDI) system.
The kits originally sold for $2,000, and in 2011 the Weedhopper model 40 sold for US$8,495. [ 2 ] [ 1 ] [ 13 ] In its home country versions of the aircraft are eligible for the FAR 103 Ultralight Vehicles category, the experimental amateur-built category and the light-sport aircraft category.
Aventura UL Single seater optimised for the US FAR 103 Ultralight Vehicle category, with an empty weight of 328 lb (149 kg). Engines include the original 28 hp (21 kW) Rotax 277 in early models and the 40 hp (30 kW) Rotax 447 currently. 90 had been completed and flown by the end of 2011.
The Rotax 447 engine displaces 437 cc, and is rated at 30 kW (40 hp)). [ 11 ] Subsequent evolutions of the early designs included the two-cylinder, two-stroke Rotax 377 , Rotax 447 , and Rotax 503 , all in production by 1985 [ 11 ] (the last of these, the 503, was discontinued in 2010-2011, by then the most popular engine it its class, and ...
Headquarters A Mercury 50 HP outboard motor circa 1980 Six cylinder two-stroke engine in 1984. Mercury Marine is a marine engine division of Brunswick Corporation headquartered in Fond du Lac, Wisconsin. The main product line is outboard motors.
"Compared to a similar 2004 four-stroke engine, carbon monoxide emissions with Evinrude E-TEC are typically 30 to 50 percent lower; and at idle are lower by a factor of 50 to 100 times. In addition, Evinrude E-TEC emits 30 to 40 percent less total particulate matter on a weight basis than a similar “ultra-low emissions” four-stroke outboard.