Talk:Two-stroke cycle
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Somebody should join the pages two-stroke cycle and two stroke cycle - 2004/04/04 20:11 CET
Morven: (... removing part about 2 exhaust strokes since it didn't make much sense.)
- it makes sense.. the noise an engine produces depends on the number of exhaust strokes. A two stroke engine has twice as many exhaust strokes as a four stroke engine (at the same rpm) and so produces twice the noise. MH 2004/05/06
- But a 4 stroke engine will have more capacity for the same power, and thus will often have more cylinders, and thus the difference will be erased.
- Except the 2 stroke burn cycle is interrupted by the exhaust cycle, while the 4 stroke completes the burn cycle before the exhaust cycle. iow, the fuel gases explode out of the chamger into the exhaust system.
Were there any 2-stroke diesels that were valveless? I've never heard of any, which must mean that at least it was rare. Any references, Andrewa? —Morven 20:13, 7 May 2004 (UTC)
Does anyone have resources re: fuel efficiency/emissions of gasoline 2 stroke outboards? —Amgine
The "Basic Operation" section is contradictory. Does the air-fuel mixture enter the cylinder as the piston rises or as it falls? Also, a graphic would be most helpful.
reference for 2 stroke emissions
-Design and Simulation of Two-Stroke Engines Gordon P. Blair -The internal combustion engine in theory and practice by C.F.Taylor -Internal combustion Engines and Air Pollution by Edward E. Obert --=Motorhead 19:38, 1 Apr 2005 (UTC)
Reed valve
Can these be made of fibers alone, or are the fibers always bound into a resin to form a composite material? If the latter is the case, please re-link from carbon fiber to graphite-reinforced plastic. You might also want to do the same for glass fiber, re-linking to glass-reinforced plastic.--Joel 03:09, 16 Jun 2005 (UTC)