# Questions tagged [aspect-ratio]

Use for the aerodynamic aspect ratio

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### Comparisons between the A340 and 747-200 wing: sweep angle and span

Here is a picture of the wings of the A340 (launched in the late 1980s) and the Boeing 747-200/400 (launched in the early 1970s / 80s) superimposed upon each other (source: https://www.amazon.com/...
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### How to calculate sink rate from wing measurements

First of all, sorry to bother you when I am coming from a bird rather than aircraft background. I have two questions that I'm struggling to get an answer for. Firstly, how is sink rate calculated (...
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### How have engineers managed to increase commercial airliner wing aspect ratios over time?

Over time, the wing aspect ratios of commercial airliners have increased. For evidence ,see the following data: 1980s: Boeing 747-400: 7.91, Boeing 757-200: 8.0 Boeing 767-300: 8.0 Airbus A310: 8.8 ...
• 317
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### Aspect Ratio conceptual estimate

so I know that AR=b^2/S. But let’s say that I don’t know b or S, how can I estimate the optimal AR if I know only this: How many passengers are going to be onboard, cruise velocity (subsonic), ...
224 views

### Does the 737 have a higher aspect ratio than most later 7X7's?

In this video: The Insane Engineering of the 787 there's a chart (at around 10:40 in) which shows that the 737 (which series?) has an aspect ratio of over 9, while the 747, 757, 767 and 777 rise from ...
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