Posted on 03/28/2014 6:57:19 AM PDT by yldstrk
Maybe it’s actually in the Mariana Trench and they just haven’t figured that out yet....
The fuel burn isn’t that big of a deal since the burn rate is 6700-7100#/hr at 36k to 41k with comparable mach#. So you’d save 800#/hr over a say 6 hr flight, and you’d have about 20 minutes extra flight time.
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