Their final design of the QSST jet is reminiscent of Concorde in its delta wing shape, but with a number of unique features, including an "inverted V-tail" and tailored nose cone.

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The bladder held the kite in a wing shape and allowed it to float on the water--this comes in especially handy if you crash during a solo passage between Maui and Oahu and need to relaunch at sea.

FORBES: Wing and a Prayer

The design, a more radical triangular wing-body shape, combines the plane's fuselage with the wings and has no tail.

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By integrating the subwoofer into the Soundbar itself, the overall effect is an elegant shape reminiscent of a plane's wing.

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Made of nylon sailcloth, the kites generally resemble a C-shaped wing 10 feet to 15 feet wide, with inflatable bladders holding the whole thing in a relatively rigid shape.

FORBES: Wing and a Prayer