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| Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc... |
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RCC Addict
Join Date: Mar 2008
Location: Honolulu, Hawaii USA
Posts: 1,813
Rep Power: 19 ![]() |
Interesting thread...
I dunno why the original poster gave up after the initial flurry, but one of the big things that wasn't touched upon is resonance or Helmhotz[sp?] tuning? Mazda did mess around with it a lot on the stock induction systems, and having only two combustion chambers, this effect does get magnafied. This type of tuning is actually counter to the statement about air being a liquid; in this case, the air(flow) is a wave. As for the replies about pipes, layout, etc... Placement of the heat exchanger (the IC) is primary. The placement and paths of the IC pipes are secondary - i.e. just make them fit. FMIC are popular due to the fact that you're placing the heat exchanger in the most efficient position - where the ambient airflow is highest and most pressurize, i.e. - the front bumper facing forward. I, personally, don't like all that V-mount crap, cause it's a compromise design - yes, you get short and more direct pipes, but ambient airflow is compromised, usually. Not many of us measure this efficiency over the entier IC system - pressure in versus pressure out - and dialing most boost is the easy answer to overcome "poor" efficiency numbers... Running more boost is usually easier than rerouting IC piping...in most cases... -Ted |
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