Christian wrote- >One thing I observed is, that the pressure on the top of the engine cowl is >so low, that air is actually sucked out of the top of the cowl, if you have >any openings there.
Take a look at the pressure distribution diagram (sketch) about halfway down the page at http://home.hiwaay.net/~langford/cowling.html to confirm what you've found. This will vary with a lot of things, but you may be surprised to find that the pressure around your cowling isn't always as you'd expect. Oscar Zuniga San Antonio, TX mailto: taildr...@hotmail.com website at http://www.flysquirrel.net _________________________________________________________________ MSN 8 helps eliminate e-mail viruses. Get 2 months FREE*. http://join.msn.com/?page=features/virus
