31 May '12, 5pm

CIA Docs: The Difference Between the A-12 and the SR-71

I work in the aerospace industry and 8 years ago I'd have a agreed that the thermal problems would prevent faster than Mach 3.5 (to .7ish) but there have been an explosion of new heat resistant/heat wicking/heat transference materials on the market. I personally made composite parts that could withstand turbine exhaust temps and pressures of 800 F consistently so the 5+ barrier is just a matter of money. Why go faster than a little more than an enemy if it costs more but doesn't give you an advantage that you don't already have? I’m sure this is the reasoning for not pushing the envelope on this. I even had the opportunity to work on a Mach 15+ power plant project which works but has no airframe to attach it to

Full article: http://defensetech.org/2012/05/31/cia-docs-the-difference...

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