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In article ,
Ed Rasimus wrote: On Wed, 23 Jun 2004 17:27:32 +0100, Robert Briggs wrote: Ed Rasimus wrote: Higher speeds mean the store can generate lift (just like any curved surface.) IIRC, "curved" is unnecessary here. After all, they do say that, given enough thrust, a brick will fly, do they not? Actually, no. Lift is balanced by weight, while thrust opposes drag. The brick (AKA F-4) would not really "fly", but simply be propelled in the desired direction. It is the tendency for airflow to accelerate over a curved surface creating a low pressure area that causes "lift". The dropped store had better be curved if you want to get lift, since it isn't supplied with thrust. ....except when you're looking at something like the B-70 "waverider" technique, where the underside of the plane provides compression lift, without providing classical Bernoulli-type lift. -- cirby at cfl.rr.com Remember: Objects in rearview mirror may be hallucinations. Slam on brakes accordingly. |
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