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1st Dec 2014, 12:51

#5 (permalink)

glendalegoon

Join Date: Jan 2014

Location: glendale

Posts: 819

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hard to swallow...good one

just seeing a Prandtl-Glauert singularity does NOT mean you are going supersonic. (that cloud thingy).

the surest non instrumented test for supersonic flight is a sonic boom.

the

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