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- Airframe about 5 tonnes overweight
- Engine sfc about 1-2% shy of targets
The drag polar is unknown (*very* sketchy rumour has it that it may be somewhat better than expected).
Anyway, put that all together and it seems the first ~20 frames will not meet promised performance targets. The next ~50 will, but only after engine rebuilds (retrofit improvements). Post frame ~70, all performance promises should be met or exceeded.
Originally posted by Ivar_Karlsen[
.......... the airline has pre-ordered a few 787's........at the moment we're training for A330 rating.
Originally posted by anxietydisorder
I think Boeing would have consulted Skunk Works before Burt.
Layer separation weakening the structure would be my biggest concern, but we won't know until they've been in service for a while.
Originally posted by Ivar_Karlsen
In the days of the Comet one didn't have the computerpower needed to simulate how a given airframe would behave when being stressed to maximum, or it's life cycle.
We do have that power today
Originally posted by Off_The_Street
We had waited so long and worked so hard!
Originally posted by anxietydisorder
Originally posted by Off_The_Street
We had waited so long and worked so hard!
So tell me, do you honestly think this plane will pay off for Boeing now that they've invested so much money, plus the blood sweat and tears.