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Andreas Stihl designed and hand built his first chainsaw in 1926. [5] The saw was electrically powered, and weighed about 48 kg (106 lb). [6] Stihl grew slowly initially, as the chainsaws came to the market about the same time as the Great Depression; with manpower cheap, and old two-man saws proven, there was no need for power saws.
Small portable appliances such as chainsaws, generators, and domestic lawn mowers most commonly have one cylinder, but two-cylinder chainsaws exist. Large reversible two-cycle marine diesels have a minimum of three to over ten cylinders.
Chainsaws with specially designed bar-and-chain combinations have been developed as tools for use in chainsaw art and chainsaw mills. Specialized chainsaws are used for cutting concrete during construction developments. Chainsaws are sometimes used for cutting ice; for example, ice sculpture and winter swimming in Finland. [citation needed]
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The Puch 250 SGS (Schwing-Gabel-Sport) is a motorcycle that was manufactured by the Austrian Steyr Daimler Puch AG's Puch division in Thondorf near Graz.The motorcycle is powered by a split-single two-stroke engine (two pistons sharing a single combustion chamber).
Main symptoms of multiple sclerosis Symptoms and findings in multiple sclerosis. The signs and symptoms of multiple sclerosis (MS) encompass a wide range of neurological and physical manifestations, including vision problems, muscle weakness, coordination difficulties, and cognitive impairment, varying significantly in severity and progression among individuals.
MS.500: Liaison version. French produced with 240 hp French built Argus engine, as the Fi 156 had used. MS.501: With a 233 hp Renault 6Q inverted, air-cooled "straight six" engine instead of the Argus inverted V8. MS.502: Liaison version. Identical to the MS-500, with the Argus engine replaced by a 230 hp Salmson 9ab radial engine.