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Life in tha UK :)
 
matt.h
perhaps your lecturer got his boeing designations slightly mixed up? 737 with 747.

http://www.aerospaceweb.org/questio...es/q0046a.shtml
eRRaTiK
quote:
Originally posted by Vigilante
Plane nerds.......


:crazy: :crazy: :crazy:


+1
MrSquirrel
quote:
Originally posted by lethal


The 7E7 and the A380 are nto competing for the same market at all. The A380 is designed for large numbers of passengers going relatively long distances. The 7E7 is being designed to be a more efficient long range smaller capacity aircraft. The target market for the 7E7 will be the spot that is currently serviced by the 757, 767, and A300. Trans-Atlantic and transcontinental flights. So there really is no "competition" between these two aircraft per se.

As for supersonic travel. I agree it is dead. I do not forsee supersonic travel again being feasible for at least another 2 decades when (hopefully) Scramjet technology will allow hypersonic passenger travel. And contrary to popular belief, the SonicCruiser was not a supersonic aircraft. It was being designed to fly at high subsonic speeds (above .95 mach). That way they would not have to deal with the problems that aarise in supersonic travel such as lowering the intake air velocities so the blades don't shred themselves.

As to the A380 not getting many freighter orders that is because it was not designed to carry cargo very well without a redesign of the cargo carrying systems currently used. The only access are the side doors and the side doors are considerably smaller than those on the 747 which means they cannot carry the large cargoes as well. FedEx has ordered a number of the A380s but FedEx has their own containers which they design to fit inside an airplane with virtually no extra room. They can do this because they have extreme restrictions on the size of packages they carry and they can thus fit things well. According to a FedEx MD-11 pilot I was tlaking to (in a pub in Sydney, actually) FedEx does not like the 747 because there is so much unused space at the top of the cargo hold. Thus why they like the DC-10/MD-11 freighters, the round tube makes the effiecient use of space much easier.

Oh ya, the passenger "orders" that airbus already has are all laced with conditions and several airlines have already postponed expected delivery dates due to either airport feasibilty concerns (Qantas in regards to LAX) and cabin set up concerns (Virgin Atlantic). Besides, Airbus is pretty dodgy in the way that they report both orders and deliveries. Boeing does not announce an order until the ink is dry on the actual purchase contract whereas Airbus sometimes announces agreements stating a "commitment to buy" as orders even if that commitment is just a "we think we are going to buy x number of your planes at y date.

Ok, time to go eat dinner lol.

MrS
lethal
I know that the A380 and the 7E7 arent in direct competition (holding different places in the market) but both are seen as the way forward by their companies and as Boeing and Airbus are in competition, it will be interesting to see which one grabs the largest share of the market place!!!

I think were both saying the same thing about Airbus - cheap, relatively dodgy but i still like them (im applying for a job with them - if i get rejected THEN i can start bagging em out like theres no tomorrow!! :p:p:p)....

Are you sure the Sonic Cruiser was Mach 0.95 aircrfat i thought it was 1.3? ie just above the transonic regime! If Boeing was looking at flying at transonic speed no wonder no one wanted the bastard!! Its almost impossible to fly at a speed between M0.8-1.2 because the flow is so bloody unpredictable (it switches between supersonic and subsonic flow randomly and is impossible to predict!). If that is the case then i think its pretty safe to say the sonic cruiser was just an attempt by Boeing to scare Airbus into designing a supersonic widebody jet cause noone would be DUMB ENOUGH to try and build a transonic aircraft!!!!!
MrSquirrel
http://www.boeing.com/news/feature/.../factsheet.html

Boeing still has the SC site up though no work has been done on the project in 18 months.... At least as a leading project. My guess is that the aerodynamics guys are still working on it to see how they can utilize the technologies for the future. Hell boeing has so many projects going on at one time that you can be certain that there is at least a skeleton team doing real work on the project.

Good luck with the Airbus application. I would never work for them directly myself, but then again when I was studying AAE I was looking more towards building either rollercoasters or working on some form of space vehicle.

MrS

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