4 ms·
> new single-aisle airplane Does that mean it's not trying to be "another 737" but actually a truely new type?
by advisedwang 1y ago
> new single-aisle airplane
Does that mean it's not trying to be "another 737" but actually a truely new type?
- deleted 1y ago[deleted]
- selectodude 1y agoThey already did that, it’s called the 757 and nobody bought it. Maybe we’ll get a 757 MAX with MCAS to make it type compatible with the 737.
- winstonp 1y agoAFAIK the 757 frame is too heavy to be powered by the LEAP engines. Those planes were powered by a class of engine between the old 737 and 777 engines, and nobody makes them anymore because they're not in demand, so a 757 MAX is just not financially viable.
- rawgabbit 1y agoThe article said Boeing is talking to Rolls Royce for the new plane. American Airlines used to have a fleet of 757s powered by Rolls Royce engines assembled in Montreal Canada. I used to work on those engines many many years ago.
- selectodude 1y agoYou can use the most powerful LEAP engine on a lightened 757 “neo”, it’ll just be a complete dog like the A321 and not a rocket ship like the old one.
- KerrAvon 1y agoJust ‘cause I’m totally ignorant about this stuff: why is that?
- quibono 1y agoThe A321 is an elongated/bigger version of the A320. Similarly to the B737 - which also went through this process a few times (e.g. compare the B737-400 vs B737-600 vs B737-MAX) - it means the engines are moving a heavier&bigger plane.
- rawgabbit 1y agoThe 757 was powered by rb211-535e4 which had about 40k pounds of thrust each. https://www.rolls-royce.com/products-and-services/civil-aerospace/narrowbody-and-regional/rb211-535e4.aspx https://www.rolls-royce.com/products-and-services/civil-aero... The 737 MAX is powered by CFM LEAP which has about 30k pounds of thrust each. https://www.cfmaeroengines.com/leap https://www.cfmaeroengines.com/leap