O.S. Max
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O.S. Max is a Japanese model engine manufacturer.
The company was founded in 1936 by machinist Shigeo Ogawa (or in more traditional Japanese, "Ogawa Shigeo," hence the name) for the production of model steam engines. At the suggestion of American buyer Paul Houghton, Ogawa tooled up for his first gasoline-powered engine, the 1.6 cc O.S. Type-1 of which 200 units were produced and exported under the brand name, "Pixie." After World War II, Ogawa Seiki expanded to produce the MAX line of engines, which won acclaim for their performance and durability.
Today, O.S. Max produces a line of engines that includes the only Wankel rotary aircraft engine which was first introduced in 1970. The 1980's brought increasing competition, which increased drastically across the 1990's and into the 21st century. O.S. is a leading manufacturer of single and multi-cylinder model aircraft engines ranging from the small and basic .10 LA two-stroke to four-strokes like the FF-320, a giant-scale flat four-cylinder and the FR5-300, a five-cylinder, giant-scale radial.
Other O.S. engines in current production include the .18 TM, the .18 TZ, the .46 AX and many others. O.S. also makes required accessories for their engines including glow plugs, exhausts and air filters.
[edit] References
http://craftsmanshipmuseum.com/Ogawa.htm Further information.