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The 35 hp (26 kW) Verner JCV 360 was also part of the product line until about 2013 when the company ended production of its horizontally-opposed engines to concentrate on the producing radial engines, starting with the Verner Scarlett 7H seven cylinder, four stroke radial, aimed at the antique and replica market.
The engine is a four-stroke, seven-cylinder radial, 4,386 cc (267.7 cu in) displacement, air-cooled, direct-drive, gasoline engine design. It employs electronic ignition and produces 117 hp (87 kW) at 2300 rpm, with a compression ratio of 7.3:1.
The first radial-configuration engine known to use a twin-row design was the 160 hp Gnôme "Double Lambda" rotary engine of 1912, designed as a 14-cylinder twin-row version of the firm's 80 hp Lambda single-row seven-cylinder rotary, however reliability and cooling problems limited its success.
The Verner VM 133 is a family of Czech two cylinder, horizontally opposed, four stroke aircraft engines, designed and built by Verner Motor of Šumperk. [ 1 ] [ 2 ] [ 3 ] Design and development
The Pratt & Whitney R-4360 Wasp Major is an American 28-cylinder four-row radial piston aircraft engine designed and built during World War II.At 4,362.5 cu in (71.5 L), it is the largest-displacement aviation piston engine to be mass-produced in the United States, and at 4,300 hp (3,200 kW) the most powerful.
The engine is a twin cylinder, 360 cc (22.0 cu in), horizontally-opposed four-stroke, liquid-cooled, gasoline engine design, with a poly V belt reduction drive with reduction ratio of 2.76:1. It employs a single electronic ignition and produces 35 hp (26 kW) at 7800 rpm.
The Vedeneyev M14P is a Russian nine-cylinder, four-stroke, air-cooled, petrol-powered radial engine. Producing 360 hp (268 kW), its design dates from the 1940s (Kotelnikov 2005), and is itself a development of the Ivchenko AI-14 engine. The engine has been used extensively by the Yakovlev and Sukhoi Design Bureaus.
As Hispano-Suiza lacked recent experience in developing radial engines, it was derived from the licensed Wright R-2600 engine. [1] Due to reliability problems, the engine was largely supplanted by the similar Gnome-Rhône 14N. It is not to be confused with the smaller Hispano-Suiza 14AB, which was derived from the smaller Wright Whirlwind series.