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Old 12-15-2017, 03:36 PM   #1 (permalink)
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BAE Systems MAGMA First flight

First MAGMA flight trials | BAE Systems | International

I've had interest in Coanda nozzles and plasma actuators for some time. So it was with intereest that I read about this single flight of an experimental drone.

Quote:
The two technologies to be trialled first using the jet-powered UAV, MAGMA, are:

Wing Circulation Control, which takes air from the aircraft engine and blows it supersonically through the trailing edge of the wing to provide control for the aircraft
Fluidic Thrust Vectoring, which uses blown air to deflect the exhaust, allowing for the direction of the aircraft to be changed.


BAE Systems ujawni

So the infographic shows blacked-out trailing edges, but the actual airframe shows a copper-metallic sheen. What is the possibility that there are also plasma actuators involved?

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Old 12-15-2017, 03:43 PM   #2 (permalink)
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...but, the flight-dynamics return to that of a "uncontrollable brick" when engine power is lost due to malfunction or loss during flight.
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Old 12-15-2017, 04:49 PM   #3 (permalink)
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Heh.

Eventually, they will have [to have] an airframe that when it fails, will split in half and spiral down like a Maple seed pod:

https://en.wikipedia.org/wiki/Maple

Quote:
The distinctive fruits are called samaras, "maple keys", "helicopters", "whirlybirds" or "polynoses". These seeds occur in distinctive pairs each containing one seed enclosed in a "nutlet" attached to a flattened wing of fibrous, papery tissue. They are shaped to spin as they fall and to carry the seeds a considerable distance on the wind. People often call them "helicopters" due to the way that they spin as they fall. During World War II, the US Army developed a special air drop supply carrier that could carry up to 65 pounds of supplies and was based on the Maple seed.

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