flying discus, a passenger aircraft

Post 16

Regardless of the size of the discus, the current is charged only for lift-off and tilt, and then the swim-float movement. After 3 minutes, we have to jump into the flight stage 4. Alone in the relaxation phase (flight stage 4) the 32 battery blocks are “released” for regenerating and recharge (we get the return for what we invested at the start). In flight stage 4, where the rotation of the two rotor discs produce our shockwave (on which we ride), we can increase the traveling-speed (up to 5 Mach), but we cannot tilt the discus around the transverse and longitudinal axis. Completely immovable, it is impossible to tilt the discus (therefore it can cut a hurricane, not even a storm can tilt the discus) – these will be very quiet flights – the gyroscopic effect is much too big. It is an absolute stable flight position and no longer manoeuvrable around the longitude and transverse axes. But, of course, we can swivel and steer the discus in flight level 4 and change the direction of the flight, but we have to reduce the rotation momentarily (magnetically deceleration, needs only 1-2 seconds), then there is no gyroscopic effect and also no shockwave for a few seconds, then we swivel into our new course and go back to high speed-rotation and ride again on our shockwave.

Yes, this principle works with any discus size. But what sense would it make to build a 2 m discus (a drone) or a 10 m discus (a sports discus for 2-3 passengers)? With a 2 m drone, this works exactly as with a 42 m discus and this drone also has to jump into the flight stage 4 after 3 min – and it can only jump if it is far enough above the ground (for safety reasons – a shockwave is not healthy). Due to the gyroscopic effect, a 2 m drone-discus can exactly swing as little as a 42 m discus can. And if we want to stand still in the air with such a 2 m discus-drone (to make beautiful pictures – like a helicopter-drone), then only without a shockwave, especially close to the ground. For such an air-stand-still-action we would need our air-flow-flaps-apron and the helicopter-Hovercraft-lift (pointed downwards) – and such an action needs a lot of electricity. And if we wanted to fly with such a 2 m discus-drone back and forth, then we could do this only without a shockwave and only with the swimming-floats (for the horizontal movement) and these also need a lot of electricity. So for both actions (stand still in the air for shooting photos and for sightseeing flights) we would not have enough electricity. The discus is not designed for this (the goal is to fly completely without kerosene). We would have to carry more energy for these actions and the weight of the batteries would be much higher … and the discus would no longer lift-off because it no longer corresponds to the correct weight-performance-ratio. After this 3 min start-phase MUST be the relaxation (in the flight stage 4), so that we can return the start investment and extend the flight time. This is ONLY in flight stage 4, in the state of relaxation (no more flaps to move and no more boost – the flow is on). Yes, it is possible that batteries with the same weight (a maximum of 600 kg with a 42 m discus) are developed with a loading capacity twice as much (or even more), but also then our float-drive-trips would be very limited.

The same would be with a 10 m sport-discus. It works as with a 42 m discus but only in principle as described. After the 3 min start-sequence, we could not fly through the Austrian Ennstal-valley (as I did in the 80th on Mothers-day with a Cessna 182) because we don´t have enough electricity. To fly in the Valley with a shockwave would be unthinkable (it´s much too dangerous), and with the gyroscopic effect the discus cannot be manipulated – and the swim-float-drive (stage 3) is supposed to work for max. 2 minutes, it´s the preparation to jump into the flight stage 4.

Of course it would be very nice with a 10 m discus (for 2-3 passengers) to sweep through the Valley (as a former sport-airplane-pilot I also would like that). And theoretically it is also possible to fly with the swim-floats for more than 2 min. because we can “release” the battery blocks also in flight stage 3 … up to 600 km/h are possible with swim-floats. Bearing in mind: In flight stage 3 the centrifugal yield is not as high as in flight stage 4 (at maximum rotational speed). All this has to be calculated and with today’s battery technology it is certainly possible to charge more electricity at the same weight (my calculations are from the 80th). Certainly all this is delicate, because we fly at a limit. Most likely with the centrifugal force in flight stage 3 we get back which is immediately used for the swim-floats (a regeneration/recharge of the batteries in flight-level 3 is not realistic, not possible) – and the main question is, if after 1 h (in the Ennstal-valley sightseeing) we have enough power to land (for landing we need full batteries) or to jump into the flight stage 4 (into the shockwave aviation). Only there, in the relaxed stage, flight stage 4, we can regenerate/recharge the batteries – in order to have enough electricity for landing. All this must be calculated and simulated.

So in the previous conception (new discus-concepts for smaller models can be developed in the CAE-simulation), the discus makes only sense as a passenger-flight-system, minimum size 42 m (our benefit: we fly without kerosene and very fast) and only on long distance flights – minimum 2,000 km. To recharge the batteries in flight stage 4 (the state of relaxation) alone takes about 15 min (and for the landing-sequence we need fully charged batteries) – so a flight should take at least 30 min, only that makes sense. In essence, the discus is no competition for helicopters, small aircrafts and 1,000 km short-haul Jet-aircrafts. The discus makes sense if we fly thousands of kilometres, long distances – it is designed for this.

Thanks for your many questions

Wolfgang Rainer Fuchs
Salzburg

flying discus video: https://www.youtube.com/watch?v=f1QZlwOEJs0

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