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SVTPerformance's Chain of Restaurants
Road Side Pub
More SR71 coolness
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<blockquote data-quote="James Snover" data-source="post: 16203156" data-attributes="member: 67454"><p>In fact, the Blackbird had to be flown like the most miserly hyper-miler in a four-cylinder econobox. That's why the inlet spikes are there: to recapture energy from the air that had to be pushed out of the way; That's why all the tricks using center of gravity to triim the plane as much as possible, so they don't get a lot of drag from control surface deflections in cruise. It's why the inlet spikes extended and rectracted with speed: to keep them as efficient as possible while at cruise. It's why there are several sets of bypass/bleed-air doors, why the afterburner nozzles dilate and contract. Efficiency is what it was all for, and what enabled it to cruise for hours in afterburner.</p><p></p><p>It worked so well, that above Mach 2.3, the faster the airplane went, the more fuel efficient it became.</p></blockquote><p></p>
[QUOTE="James Snover, post: 16203156, member: 67454"] In fact, the Blackbird had to be flown like the most miserly hyper-miler in a four-cylinder econobox. That's why the inlet spikes are there: to recapture energy from the air that had to be pushed out of the way; That's why all the tricks using center of gravity to triim the plane as much as possible, so they don't get a lot of drag from control surface deflections in cruise. It's why the inlet spikes extended and rectracted with speed: to keep them as efficient as possible while at cruise. It's why there are several sets of bypass/bleed-air doors, why the afterburner nozzles dilate and contract. Efficiency is what it was all for, and what enabled it to cruise for hours in afterburner. It worked so well, that above Mach 2.3, the faster the airplane went, the more fuel efficient it became. [/QUOTE]
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