Tuning
Engine
3 articles on engine, covering 5 symptoms and linking 1 spec table. Basis, stated on each: 2 cited to held documents, 1 general principles.
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Compression and octane are one decision
Raising compression is the cheapest real power on a two-stroke, and the fuel you can actually buy is what limits it. Getting that pairing wrong is the quickest way to turn a good motor into a holed piston.
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How the two-stroke cycle works
A two-stroke fires once every time the crankshaft turns. In the design this page describes, the piston opens and closes the ports itself, and the crankcase, the closed space under the piston, does half the work.
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What a reed valve does
A reed valve is a one-way door into the crankcase. It lets fresh mixture in and will not let it back out, and it comes in two halves, the cage and the petals, that some rulebooks treat differently.
3 articles