Re: Jet Suits
@4
That is, ironically, the same attitude people gave him from the very beginning. Everything from the motors having too much rotational force to control, to the impracticalities of fuel economy. There's a lesson there about preconceptions, its easy to dismiss a concept without actually trying it to see if it actually works, or working through the problem.
During the talk he goes into fuel economy abit, I believe he said that the tank(s) contains 20 liters of fuel, and the way he was flying on stage burns about 4 liters per minute. He ran a speed record of 85km per hour using some of the wing stabilization prototypes. He talked abit about how VTOL aircraft can only hover for about a few minutes due to fuel economy, but when transiting back into flight mode can travel much further with much greater economy, which is currently what he's trying to do in term's of design and training. They'll likely try to push the boundaries on this, and are also working on deployable shutes, and have built in flotation devices for water landings already, as they predominantly fly over water for safety reasons, which is another reason they haven't yet tried high altitudes, as they haven't addressed fail states in case of turbine failure.
They have tested an electric version of the suit at one point apparently, which he mentioned in [this] video, but the flight time is seconds as opposed to minutes, and mass/weight capacity are issues. Kind of interested to see what happens after Tesla's Battery Day presentation to see if that could make that a bit more economical. Part of me wonder's if a micro fusion reactor like an even more minaturized Kilopower Reactor could work here.
The control hardware is worn as part of a clip on light vest for the suit, they have ethernet ports for doing diagnostics, but I don't see how they couldn't enable wifi or a more stable connection, GPS, etc. for real time telemetry for fuel management. There's another video [here] where they go abit into hwo the training and suit controls work. The price for a Jet Suit according to [this] article is approximately $443,428. Many of the components being currently 3D printed metal.
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