Comments by "Makan Tahi" (@makantahi3731) on "Beyond Clever - How Two Stroke Exhaust Pipes Really Work" video.

  1. have you tested the oem exhaust with your . I deal with aircraft models with 2-stroke glow engines, 4ccm and I was thinking about a different exhaust with an exhaust valve that would limit the flow of exhaust gases as a function of efficiency: I noticed that with the oem exhaust the engine consumes a lot of fuel in all modes, especially at idle up to 50 % of power, so I put a 2-3 cm long pipe with a smaller diameter on the exhaust opening, and with that I significantly reduced fuel consumption at lower powers, but I also limited the max power by 20%, so it would be good to have a valve that would open at full throttle
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  2. 0:29 izgleda ko kulenova seka
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  3. could you do a dyno test of that motorcycle with this exhaust and the exhaust as if it were a 4 stroke engine
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  4. I'm not really sure if only sound waves are at play here or pressure-underpressure impulses that also occur with long tube headers on 4-stroke engines, with the fact that they can also use only sound waves, but with a sharp so-called stepped transition, where the tube with a smaller diameter enters the pipe with a larger diameter without a smooth transition, thereby creating a reflective surface that reflects the sound wave towards the exhaust outlet, creating additional negative pressure
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