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Claude Casper Poulan (1915–1995) of Monroe, Louisiana was the founder of Poulan Chain Saws and the inventor of the bow guide.. In 1944, Poulan was supervising German prisoners cutting pulpwood in East Texas.
Air from the atmosphere enters the carburetor (usually via an air cleaner), has fuel added within the carburetor, passes into the inlet manifold, then through the inlet valve(s), and finally into the combustion chamber. Most engines use a single carburetor shared between all of the cylinders, though some high-performance engines historically ...
Chainsaw engines are traditionally either a two-stroke single-cylinder gasoline (petrol) internal combustion engine (usually with a cylinder volume of 30 to 120 cm 3) or an electric motor driven by a battery or electric power cord. In a petrol chainsaw, fuel is generally supplied to the engine by a carburetor at the intake.
Operating cycle for a four-stroke engine Operation of a flat-twin engine Operation of a straight-four engine. Although some components within the engine (such as the connecting rods) have complex motions, all motions can be separated into reciprocating and rotating components, which assists in the analysis of imbalances.
The engine is based on the Volkswagen air-cooled engine, extensively modified for aircraft use and all the parts are custom made. [1] They are certified according to CS-22 subpart H [2] [3] and can therefore be used in motorgliders and light aircraft that are certified as CS-VLA [4] and CS-LSA [5]
General characteristics Bore: 92mm Stroke: 69mm Displacement: 1835cc Dry weight: 63 kg Components Valvetrain: Single overhead exhaust valve, single overhead inlet valve per cylinder Fuel system: Bing carburetor with altitude compensation Fuel type: min 95 RON Cooling system: Air-cooled Performance Power output: 68hp at 3200 rpm Compression ratio: 8.5:1 See also Sauer Engines References ^ a b ...
Top speed was around 190 km/h (118 mph) and acceleration from 0–100 km/h (0–62.1 mph) took 9.5 seconds. In addition, the 1970 model was the first 1800 with four-wheel disc brakes; until then the 1800 series had front discs and rear drums. In 1972 a lower compression B20F engine was introduced for specific markets to meet emission standards ...