More than you ever wanted to know about ram air, etc:
#13
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but I admit, I am not a fluid engineer. There must be a trade-off between the distance they run (in terms of drag and turbulence, and if they are not forced, there may even be some negative draw at the intake end at speed) and the relative temperature difference in terms of the performance they provide.
#14
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The entire history, including the TV dinner tray mod is at the link. TTDA seems to work the best, solve the most problems and install the easiest.<ul><li><a href="http://public.fotki.com/ttschwing/cai_ttda_and_other/">Airbox experimentation......</a></li></ul>
#15
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would function more efficiently than the equivalent area of smaller ones. Think if you had ten or twenty, say, small tubes, equalling the area of the one larger one.
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