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Apr 22, 2016, 05:25 PM
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Flyboard notes

There have been so many man rated quad copters, EDF powered hoverboards, mini helicopters, that only go 5 minutes, can't get above ground effect, or never got finished, the Flyboard looked like more of the same when in fact it was different. The key is to consider too this day, the smallest flying machine that actually works is the original hydrogen peroxide jet pack. It goes 30 seconds.

The Flyboard is the 1st to be at least as compact as the jet pack, but go much longer than 30 seconds. It uses 4 hobby size jet engines at $10,000 each. The fuel is in a back pack with a hose going down the pilot's leg. If the fuel line gets kinked, he loses $40,000 & dies.

The remote control only controls thrust. The pilot leans to control direction. It probably has foot switches, but his feet are rigidly mounted. There could be a trick involved in rigid foot mounting, yet allowing enough motion to provide user input.

Hobby jets probably have enough response to stabilize it by varying engine thrust. There's no thrust vectoring or reaction control thrusters. 2 red EDFs on the sides counter the torque of the jets & provide yaw.

There's nothing in it which couldn't have been done 10 years ago, except for coming up with the money. Borrowing $40,000 was once equivalent to borrowing $400,000 today.
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