Gas Powered - Dutch Super Blimp Drone - Helios - Fuselage Fuel Tank - Concept.

The Fuselage shape doubles as a compressed fuel tank, saving mass for prolonging drone flight. The Fuselage Sections can be mounted together using a magnetic lock for instance, or the old fashioned way of course, together forming a strong lightweight structure allowing for prolonged Blimp drone flight.

now like a submarine seeks buoyancy in water, using air and water, i will use compressed Helium gas to seek buoyancy in air, using a mix of Helium and Air, and perhaps even LPG gas or Oxygen.

The helium will not lift the entire drone by itself, but it will greatly lessen the apparent weight of the entire craft during flight, again prolonging flight times. the compression tanks can be perfectly filled and be balanced to what type of gas is inside them and where it is located on the vehicle, calculating densities and compression factors of the volume in order to self balance the craft at all times. compensating for balance automatically through the ESC of the motors perhaps.

LPG gas is a lightweight combustible fuel, with already known technology behind it, perhaps combined with pure compressed oxygen to greatly expand the combustion, or even power the rotor blades directly. Gas can be heated and expanded but a motor will probably be most efficient for this. LPG is not as aggressive as an electric motor, but when using many blades for more silence, and using many blades to dampen the effect can result in a very smoothed out flight. a little bit of lag might make it easier for passengers aboard the blimp craft to adjust. we dont want super sudden moves with passengers on board anyway.

i made the refueling nipples as an example on the bottom, so you could theoretically land near a existing gas-station for LPG gas powering the motors. i dont think we will use much of the helium gas as it is only for assisting in lifting the craft, kept inside the compress helium tanks. we could however have to adjust the helium's pressure inside the tanks adjusting for altitude. maybe a system that can compress the gas further inside the tank, and allowing for expansion again when needed.

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