The second prototype's wing trailing edge and other structural components and systems are being assembled and the first structural segments of the third prototype are being finished.

第二架原型机的机翼后缘、其他结构部件和系统正在组装。第三架原型机的第一个结构段已经完成。

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Philip John, the technical director of the project, says the version used on Demon has the compressed air entering a single chamber within a wing's trailing edge.

ECONOMIST: How to fly without ailerons

Each side of Demon's delta wing has one row of these slots in the upper part of its trailing edge and another on the lower part.

ECONOMIST: How to fly without ailerons