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A comment on Citing a serious flight test incident, FAA slows Boeing 777X certification. Parent comment

Re:Citing a serious flight test incident, FAA slows Boeing 7... by himinlomax on Monday June 28, 2021 @04:25AM (#27659316)
> a complete redesign of the 737 still would have to deal with the same aerodynamic issues as the 737 MAX,

No, it would have more ground clearance, so it wouldn't need flat bottomed cowlings nor MCAS.

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Re:Citing a serious flight test incident, FAA slows Boeing 7... by _ph_ on Monday June 28, 2021 @05:09AM (#27659572)
That is wrong. First of all, the 737 MAX doesn't have flat bottomed cowlings, that was its predecessor, which did not have MCAS.

And the effect is fundamental to large engines. The effect which required MCAS would also happen if the machine had larger ground clearance and would be mounted more under the wings. Actually the way the engines are mounted on the MAX moves them closer to the longitudinal axis of the airplane and thus reduces and thrust-related tendency to pitch up.

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Re:Citing a serious flight test incident, FAA slows Boeing 7... by nemetroid on Monday June 28, 2021 @07:17AM (#27660371)
The MAX does have flattened cowlings, though the effect is less pronounced than on the NG. Compare the MAX (right) to the completely round cowling on the A320neo's LEAP-1A:

https://leehamnews.com/wp-content/uploads/2020/11/737NG-vs-M...

https://aerocorner.com/wp-content/uploads/2020/01/Aegean-Air...

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Re:Citing a serious flight test incident, FAA slows Boeing 7... by himinlomax on Monday June 28, 2021 @05:19AM (#27659623)
First result on Google: https://fr.wikipedia.org/wiki/Boeing_737_Max#/media/Fichier:...
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