I Want to Build a Go Fast RC !

[zeropointbug]

PBO, that's exactly what I'm talking about in the picture, nice streamlined, with channels to hold the low pressure and reduce eddy's. The openings are also something I had in mind, was looking for the term Venturi's, which makes alot of sense.

[SunnyHouTX]

Originally Posted by zeropointbug

... hold the low pressure...

^^^ Very key. Holding the sides of the body steady and not flapping around plays a big part here as well. Actually, something to keep the sides from being sucked in is all that's needed sometimes.