I'd hate to hear that sound in flight. "154 . . . BOOM!"

Nice viddy.

Boeing...grrr....787....grumble

Why Grrr?

You're not an Airbus fan, are you?

That was awesome! 154 boom! 154 boom! 154 boom! 154.. apply directly to forehead!

Good morning from the cockpit, I'm Captain Miller and this is Delta flight 154 {BOOM!}

No, I'm working for a company who's customer is Boeing. I really don't give a crap about airbus or Boeing. But the way Boeing does their stuff....grumble...

Yes, but how much force IS it?

And, is that a rubber ducky on the test apparatus? (00:33)

There are a lot of suppositions to be made since I don't know what the design load limits for the 777 are. Per the Federal Aviation Regulations, the positive load factor required for this category of airplane is between 2.5g and 3.8g at maximum takeoff weight. At the minimum that means the wings must support between 2.5 and 3.8 times the force of gravity to be certified. The significance of 154% on the video is that they were trying to get to 150% of the design load limit before structural failure.

Anyway... the maximum take-off weight of a Boeing 777-200 is 554,000 lbs (keep in mind, this is now the smallest, lightest 777 on the market. The newer Boeing 777-300ER is 775,000 lbs., the 747-400ER is 910,000 lbs, and the upcoming 747-800 is tentatively at 970,000 lbs. For comparison's sake, the A380's is 1.235 million lbs.) That means that wing was supporting one half the take-off weight multiplied by between 2.5 and 3.8 - between 692,000 and 1052600 lbs, and that is just for 100% of the load limit!

I'm glossing over lots of subtleties, but the general idea still stands. That's a lot of force!

Viewer999, yeah it is, its on the floor at 2:52

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