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Engineering Stack Exchange

Questions tagged [aircraft-design]

For questions about how certain features of an aircraft affect its performance and function, such as engine type or wing configuration.

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How to store gas on little pulsejet plane?

I am thinking about building small plane with a pulsejet but the engine would need to be roughly 2 cm in diameter. Is it even possible to fit something to store gas on that sized plane? At least for like 10 seconds of running.
valli3
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Is a wing that runs the length of an aircraft viable?

I was thinking about fighter aircraft like the Harrier which have thrust vectoring and computer-controlled stabilisation nozzles. Also an anhedral angle on the (small) wings. The aircraft relies so much on the computer stabilisation, and flies like…
jhabbott
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What engineering obstacles would need to be overcometo make a hot air balloon bigger than the largest made?

Average hot air balloons have a diameter of about 18 m. The largest out there is roughly 32 m. My question is, are there any reasons other than fuel concerns that would prevent having a larger balloon, say around 50-60 m as a lifting body? I.e.…
Adrian
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Lift Requirements for Hybrid Airship

so I am very interested in flying. I don't have any formal education in the topic so take my questions for what they are. I was thinking about VTOL aircraft and the current state of such machines. A thought crossed my mind as I was pondering the…
bobKnowsBest3199
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Why does the air in a jet engine not flow out of the front?

It is my understanding that jet engines work via the ,”suck squeeze, bang blow process”. The main fan introduces air into the engine, and the compressor blades squeeze this air into a higher pressure region as it moves through the compressor stages…
Richard
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What would cause more stress the airframe of a 757/767: 550 mph at 1,500 feet, or supersonic flight at 50,000 feet?

I was reading over some threads on metabunk.org about the 9/11 "Truther" Movement and it was brought up that a DC-8 was flown at supersonic speeds at 50,000 feet as an explanation for how tough planes were. The truther replies that this is not 1,500…
Curious Layman
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For a tangent ogive, given a radius, can you determine it's length?

A tangent ogive body has a specific radius for a given length, so how would you determine length if only given the radius?
Rajath Pai
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For how long could a plane handle turbulences?

Some days ago, I took a plane (Airbus A330) for a pretty long flight - around 8hrs. During the flight, we experienced some turbulences and I thought : what if the turbulences last the whole flight? How would a plane react to 8+ hrs under mid to…
toto
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