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Cargo Airships Are Happening

(www.elidourado.com)
220 points elidourado | 1 comments | | HN request time: 0s | source
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xnyan ◴[] No.41843568[source]
The (biggest) problem that keeps airships from practical use is that they are huge sails. Big sails mean even small amounts of wind can be powerful forces acting on the airship. In the air a big push from the wind might be safely managed, but if you're near anything solid such as the ground, you can get smashed to bits.

To safely operate a suitably efficient (large) airship, we'd need both huge specialized docks with extremely strong mooring structures to keep wind from smashing the airship into whatever is near it, and a system (such as a 3-axis propulsion system on the airship) that is capable of counteracting wind force acting on the airship when it's near the ground or other solid objects and not docked.

Despite the many attractive advantages of airships, there's yet been anything like a good solution to this problem. There are other challenges too (what do you do when you drop off your cargo and the airship wants to shoot up into the air? Vent gas? Rapidly compress your gas?), this is just the biggest.

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dylan604 ◴[] No.41849279[source]
Just cover the thing in solar, and run it on electric. Add a couple of wind turbines too. I mean, the whole concept is preposterous, so why not just lean into it?
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bee_rider ◴[] No.41849497[source]
Solar powered airships floating around the world, following the prevailing winds, accepting durable goods by… catapult or something, delivery by chucking it out the window over populated areas. Paint them some nice pastel colors and we’re in Solarpunk world.
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jandrese ◴[] No.41850503[source]
Wouldn't delivery be done by quadcopter drones? There have already been pilots projects where Amazon does delivery by drone in a couple of places. I don't think they were a success, but an airship adds some constraints that might make the more viable. Downside is the copters needs to return to whatever altitude the ship is currently cruising at, which might be close to their ceiling.

But on a side note my first reaction to the headline of this article was "no they are not". Airships have a number of fundamental drawbacks that I don't think we are any closer to solving. Ultimately they're as slow as a cargo ship, can only carry a relatively small and light payload like an airplane, require specialized ports like ships and airplanes, and are expensive to build and operate. They just don't have a viable niche.

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dylan604 ◴[] No.41850545[source]
> Wouldn't delivery be done by quadcopter drones?

But if you drop them via cheap parachute, you wouldn't need anything to return. I bet they'd only be slightly less accurate delivery than what their "don't give a damn" delivery system in place now.

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1. yellowapple ◴[] No.41866091{5}[source]
Why bother with a parachute? Just redesign houses with bungee-net drop zones for packages. It'd probably result in less damages than the average FedEx delivery anyway.