2si

2si was an American engine manufacturer located in Beaufort, South Carolina. The company was a wholly owned subsidiary of the AMW Cuyuna Engine Company, formerly known as the Cuyuna Development Company.[1][2][3][4]

2si
Private company
IndustryManufacturing
FateOut of business 2014
Headquarters
Beaufort, South Carolina
,
United States
ProductsTwo-stroke engines
ParentAMW Cuyuna Engine Company
Websitewww.2si.com

The company acquired a line of two-stroke engines that were originally designed and produced by JLO of Germany and marketed them under the Cuyuna brand name for snowmobile and later ultralight aircraft use. Later Cuyuna formed a subsidiary Two Stroke International, commonly known as 2si, to produce and market the engine line. Cuyuna ended selling engines for aircraft use, but instead switched to only marketed them for industrial, marine, auto racing, kart and all-terrain vehicle applications.[1][5]

The company seem to have gone out of business in 2014.

Engines
  • 215 - aircraft, multifuel, industrial engine
  • 230 - aircraft, multifuel, industrial engine
  • 340 - aircraft engine
  • 430 - aircraft and snowmobile engine
  • 460 - aircraft, multifuel, marine, industrial and sport vehicle engine
  • 500 - sport vehicle engine
  • 540 - aircraft and sport vehicle engine
  • 690 - aircraft, marine, industrial engine
  • 808 - aircraft engine
gollark: 1. they are not mutually exclusive, it's been done2. I want *some amount* of waterproofing
gollark: I don't really care much about waterproofing as long as a phone is able to resist... briefly having water dropped on it, and use in rain, which mine can.
gollark: Well, that would be nice, though for reasons of waterproofing I'd probably want them to not be hot-swappable.
gollark: Somewhat modular isn't, but that... never really happened.
gollark: Eh, entirely modular is impractical.

See also

References
  1. Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, page G-2 Cybair Limited Publishing, 2001. ISBN 0-9680628-1-4
  2. Two Stroke International (n.d.). "2si Company Profile". Archived from the original on 2010-01-15. Retrieved 2010-02-16.
  3. Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, page 69. BAI Communications. ISBN 0-9636409-4-1
  4. Cuyuna Development Company: Cuyuna Engines, Cuyuna Development Company, undated
  5. Two Stroke International (n.d.). "Applications". Archived from the original on 2010-03-17. Retrieved 2010-02-16.
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