Electronics > Beginners
How much can be reverse engineered from sound ?
CJay:
All those big old aero engines are fantastic, scary as all get out when starting, the flames from the exhaust when you're sat in what is essentially a fairly small aluminium box filled with ammunition and fuel...
ebastler:
--- Quote from: lordvader88 on May 17, 2019, 10:10:10 pm ---given the task to make the machine that made this amazing sound, what wound the best science of today do ? or i suppose they would guess it's an f1 engine and just start there
--- End quote ---
While I am impressed from an engineering perspective that one can build a macroscopic machine which runs reliably at that high rpm (well, at least reliable for the duration of a race), I personally hate the sound.
If you want to enjoy that sound at home, I recommend buying a model aircraft engine. Better check with the neighbors first. ;)
Rerouter:
The acoustics is from the pipe length and shape, At a guess you would want to analyse what harmonics and frequencies your chasing, compare to what your starting with, and then model a pipe/cavity to amplify or suppress the harmonics to reflect what you are chasing. once you have that down pat it would be a matter of getting it manufactured, as it would likely be a complex composite shape it may require metal sintering, or just a whole bunch of metal working.
tszaboo:
--- Quote from: Bud on May 18, 2019, 05:08:52 am ---I must be missing something...What is so beautiful in this sound? To me it sounds as a boring gigantic mosquito :-//
--- End quote ---
Yes, unfortunately F1 doesnt sound that all that good anymore with the recent changes.
Typically on the qualifications day, they have Porsche supercup, Formula 3000 and other races, those sound better than F1. To bad, it just feels like just watching a bunch of random people driving around, unlike F1. No offense to those random people.
David Hess:
--- Quote from: floobydust on May 18, 2019, 05:24:59 am ---To get good scavenging with minimum back pressure, and a resonance matching the engine's needs to get a flatter or peaky power curve is the goal.
--- End quote ---
Yep, it sounds like typical tuned headers without any sort of baffle plus the Doppler shift from high speed.
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