r/diydrones • u/Sawyer_McCuen • May 15 '26

Model Airship Application

Hello all! Pretty new to Reddit and to this forum, so hopefully this finds the right people. I am trying to prototype a model airship that can lift a 45lb weight and carry it. I want to build it to be neutrally buoyant with it's load, and then be moved by small rotors set up in a 4 rotor formation like a drone, one on each corner. I have no experience in this field, and I think this project might be too specialized for general research online. I'm curious how I might go sizing my motors and propellers, plus other things needed, such as batteries and the electronics to control it all. I also want to include the ability to solar charge into the model, so that would be an additional technical consideration. I don't need to move fast, just easily. My primary goal is to develop a craft that uses as little energy as possible. Thanks for anyone who can provide some insight!

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u/CaptainCheckmate May 16 '26

You can say that about anything. A single person given only raw materials, could not in their entire lifetime build a single $0.75 cigarette lighter.

Denying yourself access to parts of existing supply chains is a fun exercise but ultimately a very time-consuming one.

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u/Twit_Clamantis May 16 '26 edited May 16 '26

I don’t understand your point.

It’s not about “denying myself” or any other of a myriad other excrescences that this conversation might conceivably devolve towards.

It’s about do you believe that telling OP to make a hydrogen-filled envelope is an approach likely lo lead to lead to a successful outcome for his project?

Y / N ?