| Scale of
Advancement ... |
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| v | The
Wright’s Flyer 1 flew so slowly that the brother |
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| who
wasn’t piloting ran along side … |
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| o | Suppose
that implies a speed of 10 mph |
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| v | NASA
says the SR-71 Blackbird, a reconnaissance |
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| aircraft,
flies at least 2200 mph |
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| The Blackbird is faster than Flyer 1 by a |
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| factor-of-220 times or so ... |
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