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View Diary: 787 "outsource" battery fix (37 comments)

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  •  The only inherent cost of speed is fuel. (1+ / 0-)
    Recommended by:
    basquebob

    Everything else is just a matter of engineering.  

    And with respect to the Air Force, their contractors figured out a long time ago it was more profitable to do everything the hardest, most expensive, and most Baroque ways imaginable - the ways that resist commercial applications that might benefit the public.

    Business doesn't distinguish between making money and taking money.

    by Troubadour on Wed Mar 27, 2013 at 08:46:51 PM PDT

    [ Parent ]

    •  Not exactly (2+ / 0-)
      Recommended by:
      PrahaPartizan, erush1345

      Fuel is indeed a major cost - $2.87/gallon for Jet A as of today.

      Materials is another major cost. You start getting into skin heating issues at high mach numbers which requires exotic materials like titanium.

      Then there's the "opportunity cost" inherent in the design. To go fast we need to reduce frontal area, which means a skinny tube which we can only fit so many seats into.

      If you ever got up close to a Concorde you'd be amazed at just how small the thing was.

      Then we have to be able to slow the thing down sufficiently to get it on and off the available runway. Not that easy for a wing that can go Mach 3+

      So we end up with something that will take you, plus maybe 50 other CEOs, rock stars, movie stars and professional athletes to Tokyo in 3 hours.

      If the pilot's good, see, I mean if he's reeeally sharp, he can barrel that baby in so low... oh you oughta see it sometime. It's a sight. A big plane like a '52... varrrooom! Its jet exhaust... frying chickens in the barnyard!

      by Major Kong on Thu Mar 28, 2013 at 03:50:12 AM PDT

      [ Parent ]

      •  Like I said, the only *inherent* cost of speed (0+ / 0-)

        is fuel.  Materials and structures are a matter of engineering.

        Business doesn't distinguish between making money and taking money.

        by Troubadour on Thu Mar 28, 2013 at 06:24:37 AM PDT

        [ Parent ]

        •  Exotic Materials (0+ / 0-)

          Cost $$$ which adds to the expense of the aircraft. It's a lot cheaper to build from aluminum or even composites than titanium.

          It's not just Boeing and Airbus. None of the corporate jet manufacturers are stepping up to build mach 3 business jets for the "money is no object" crowd.

          Gulfstream and Sukhoi actually talked about building a supersonic business jet (the S-21) at one point but it never went beyond paper.

          If the pilot's good, see, I mean if he's reeeally sharp, he can barrel that baby in so low... oh you oughta see it sometime. It's a sight. A big plane like a '52... varrrooom! Its jet exhaust... frying chickens in the barnyard!

          by Major Kong on Thu Mar 28, 2013 at 07:24:43 AM PDT

          [ Parent ]

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