Questions tagged [boeing-737]

A short- to medium-range twinjet narrow-body airliner, originally introduced in 1968. With over 10,000 aircraft delivered and over 4600 on order, the Boeing 737 is the most popular commercial jetliner in history.

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Why do the 737-100's JT8Ds, and no others, have suck-in doors?

Of the various use cases of the Pratt & Whitney JT8D (the most-produced low-bypass turbofan in history, and the second-most-produced turbofan of any description1), those installed on the 737-100 ...
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898 views

What are the locations on the Boeing 737 wing where the airfoil changes?

I would like to know where along the span of the 737 (let's say the NG) wing the two midsection airfoils are used. I am planning on running a CFD analysis of the 737 wing, and I need accurate data.
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447 views

How much does a Boeing 737 wing bend/deflect in cruise conditions?

As a part of my ongoing research of a structural joint analysis of a Boeing 737, I have been looking for sources where I may be able to find the bending/deflection data during cruise conditions. I ...
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1answer
662 views

What is the absolute ceiling of a 737-200?

We're trying to find the official absolute ceiling for the 737-200 for a school project. So far have only been able to maximum and service ceilings for this craft. Can anyone point us to the correct ...
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0answers
154 views

Why wasn't the 737 MAX's landing gear lengthened enough to mount the engines under the wings, rather than in front of them?

The reason Boeing originally added the MCAS to the 737 MAX was to compensate for a slight pitch-up moment generated by the engine nacelles at very high angles of attack. This pitch-up moment occurred ...
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110 views

Was the speed trim system on the B737 Classic modified to counter increased thrust?

How much additional thrust did the 737 classic generate compared to the original 737? Was the speed trim system added to counter the additional thrust?
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0answers
52 views

737 ACP GPWS volume control?

So, I was sitting in the front rows of an A320 and could obviously hear the AP disconnect. But I could not hear the GPWS altitude and RETARD callouts. I assume this is because the pilots set the GPWS ...
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803 views

Is the Boeing 737 unusually susceptible to stress fatigue?

According to this Newsweek article - which seems like a reputable source - the FAA has issued a number of Airworthiness Directives to address stress fatigue concerns with the 737NG series: Between ...
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104 views

What airfoil is used for the horizontal stabilizer of a 737? Is it inverted?

I cannot find the airfoil of the Boeing 737 horizontal stabilizer or any typical tail airfoil of a civilian aircraft.
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438 views

Where do I get the latest 737NG FCOM?

So, I went online to search for the 737 FCOM, but I can only get the FCOM from 2005. Is there a 2019 version? An updated version?