Aug 6, 2015 · The 747-400 series is roughly contemporary with the C-5B. Compared to the 747-400F freighter, the C-5B: is slower (cruise speed of Mach 0.79 vs Mach 0.85); has a smaller internal diameter (19ft vs 20ft) and isn't much longer (247ft vs 231ft externally);

May 16, 2016 · $\begingroup$ According to the book The C-5A Scandal the 747 came out of Boeing's failed bid for the C-5 contract. $\endgroup$ – radarbob Commented May 19, 2016 at 4:30

Feb 5, 2006 · As Joe Sutter, the head engineer on the 747 project put it: "I should add that fostering large high-bypass engines was all that the USAF C-5 competition contributed to the Boeing 747, as my new airplane would be called. Time and again there appears in print the logical but false assumption that Boeing took its losing military C-5 bid and ...

Jan 31, 2005 · Don't forget to include the MTOW's. The goose was BIG with that 97.5-meter span, but made of oak and weighed in at 400,000 lbs.

Apr 4, 2004 · The C5 holds 72 passengers in it's upper deck. Again, my question to a.netters is this: We all make a big deal about the size of the A380. Airbus came out and touted their A380 as the first true "double-decker." But doesn't the aerospace community already have a true "double-decker" with the C5 Galaxy?

Jun 27, 2004 · AN225 Vs A380 Vs C5 Discussions about factual events happening in the airline and general aviation industries. If it's happening in commercial aviation, you'll get the information and opinions here first.

Mar 6, 2007 · The only thing that the 747 got out of the C-5 was the development of the high-bypass ratio engine. And we couldn't even use the engine developed for the C-5, because it's a high-winged, cumbersome, slow airplane. That engine didn't have enough power to fly the .85 Mach number of the 747.

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Jun 20, 2021 · Lockheed won. Trying to deliver (almost / did ) bankrupt the company; they merged with Douglas a short time later. Boeing decided not to waste all the engineering studies etc. they had done making their presentation, and used that knowledge to build the 747. The 747 did NOT bankrupt the Boeing company. :)! $\endgroup$ –

Aug 1, 2001 · You should read the story of how this wing problem happened to begin with, then comment. Remember, the jet-powered "heavy lifter" concept (C-5 and 747) had been around (in service) for 15 years when the An-124 finally came along. By that time, most of the "kinks" had been worked out. Can the Galaxy lift a really large cargo (like 100t) in one ...