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Old March 17th, 2017, 11:28 AM   #1
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Circular runways

When I first saw this I thought the Onion had hacked the BBC site. But the more I think about it the more intrigued I get.

Think again: Will circular runways ever take off? - BBC News
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Old March 27th, 2017, 05:12 PM   #2
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they have been around for decades geez

https://www.youtube.com/watch?v=4uy4Vq7eSoI
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Old March 31st, 2017, 04:06 PM   #3
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When I first saw this I thought the Onion had hacked the BBC site. But the more I think about it the more intrigued I get.

Think again: Will circular runways ever take off? - BBC News
That's sensible. The radius of that circle will need to be pretty large.
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Old March 31st, 2017, 04:21 PM   #4
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That's sensible. The radius of that circle will need to be pretty large.
They said 3 km diameter (~1.9 mi.) but it could handle 3 planes at the same time in calmer conditions.
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Old March 31st, 2017, 05:37 PM   #5
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They said 3 km diameter (~1.9 mi.) but it could handle 3 planes at the same time in calmer conditions.
Have you ever experienced one of those "coming in at a definite angle" landings?
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Old March 31st, 2017, 06:13 PM   #6
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Have you ever experienced one of those "coming in at a definite angle" landings?
Not with one wing high and one wing low, but once, flying into a prairie airport in a Convair 440, a twin prop plane ~40 passengers, the runway was E-W and there was a very strong north wind. The pilot had to have the plane pointed very close to NW on approach and then swing the nose to the West as it descended the last 10 ft or so.

I'm convinced I saw the runway better from my passenger window than he did from the cockpit.

Last edited by RNG; March 31st, 2017 at 06:15 PM.
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Old May 10th, 2017, 03:30 PM   #7
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What is the benefit of a circular runway?
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Old May 10th, 2017, 08:56 PM   #8
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What is the benefit of a circular runway?
more efficient, can land more planes in a smaller area, one circular runway can act as 4 standard runways, and you always land into the wind.

i suspect planes would need a bit of retrofitting to their landing gear to handle the sideways forces they currently dont need to really consider. also if there was an accident it would make the entire airport unusable, you couldnt just close 1 runway.
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Old May 11th, 2017, 01:35 AM   #9
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That's sensible. The radius of that circle will need to be pretty large.
Quite some time ago I got in an argument with an intellectual on this forum about area of a circle. His figuring was circumference of a circle which is 2 Pi R or Pi D. I said area of a circle is Pi R Squared and proved it but he was too arrogant to admit I was right while insisting that I was wrong. I think but am not sure that blast area of an atom bomb was the topic of discussion.
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Old May 11th, 2017, 05:26 AM   #10
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also if there was an accident it would make the entire airport unusable, you couldnt just close 1 runway.
You would still have the entire opposite side of the circle from the accident.
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