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Imperator-Zor — Interplanetary Metal Delivery Vehicle

#automated #ballistic #delivery #drone #industrial #ingots #lander #metal #plans #rcs #realistic #rockets #sciencefiction #shuttle #spacecraft #vehicle
Published: 2018-11-06 14:28:41 +0000 UTC; Views: 5511; Favourites: 30; Downloads: 26
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Description

This unmanned spacecraft is of a fairly typical type that has seen use since the late 21st century with only minor modifications. Interplanetary Metal Delivery Vehicles are simple almond shaped craft assembled by orbital mining stations usually out of steel or ceramic with a heat resistant ceramic underlayer and packed with metal ingots (generally fairly common ones) secured down. Once completed and inspected, a pair of spacecraft latches onto it and accelerates it along a ballistic course to a habitable planet at comparitively low speeds. Since it's course can be accurately calculated beforehand, it's RCS systems are there only in case of emergencies and to make small corrections. Once there it skims the edge of it's atmosphere in several elliptical orbits, loosing Delta V as it does so before making it's final entry to the atmosphere, aerobreaking away it's remaining Delta V before making a splashdown in a designated oceanic region, skidding to a halt on the planet's surface. Once that has been done, the craft has completed it's mobile existence and simply floats along, taking in some of the local atmosphere to equalize pressure inside and out. Floating along in the ocean, the craft is collected by tugboats which pull it to an industrial port. The craft is then unloaded of it's cargo and usually is broken down shortly afterwards for scrap, though it is not unknown for IMDV hulls to be stripped of their wings and used as large scale pontoons in various marine engineering projects, be modified into oceanic vessels after extreme refit, be used as low cost housing or other such purposes.


The system was first devised once mining in the Asteroid Belt had begun as a way to cheaply deliver packages to Earth and proved to be quite successful in that role. Similarly once extrasolar colonization got under way the basic system soon found use in a variety of other systems as populations grew and offworld mining became an increasingly important part of of the economy. Given their slow speed, lack of any weapons and bare bones maneuvering systems IMDVs are vulnerable to interception by pirates , but given that their cargo is generally of low value per kilogram only the most desperate raider crews will go after them. That said in the last 100 years with the advent of gravitics systems the use of IMDVs has declined in many of the more developed systems due to environmental concerns. Simply put having dozens of large objects arerobreaking and landing into the ocean every day generates a lot of waste heat, especially when compared to having an antigravic equipped shuttle going up and down from a planet's at low speeding ferrying down ingots from orbital facilities. Never the less IMDVs are still used on less developed worlds which lack the infrastructure to produce gravitic systems and where the demands for raw materials are not so ravenous these simple delivery systems still have a place. Among the biggest users of these is Jade who's planetside operations have grown by a considerable margin and has up until recently lacked any gravitic systems.

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Comments: 5

TankaaKumawani [2018-11-08 12:22:24 +0000 UTC]

They're also one of those things that can make somewhat of a mess if it hits an inhabited area, so the Orbit Guard keeps a close eye on them.  I sure wouldn't want one to fall on my arkoblok, it's still a lot of mass traveling at subsonic speeds near touchdown.


Or they're good for dealing with higher-value bulk materials.  It's going to be hard to compete with the planet's own supply of base metals unless there's a truly extreme shortage or mining moratoium, but when it comes to precious metals and rare earths for feeding semiconductor fab lines downwell...

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Imperator-Zor In reply to TankaaKumawani [2018-11-08 12:37:24 +0000 UTC]

Those tend to be higher priority cargo and are transported to a planet's orbit at higher speed via ships which accelerate, decelerate and dock with a station to load them into disc shaped splashdown pods or dropships. People don't care if the specific load of steel or aluminum dispatched to your planet was launched 16 months ago if they are arriving regularly, but they tend to want higher grade materials on hand more quickly after extraction.

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MelvWolfe [2018-11-07 02:44:26 +0000 UTC]

Cool, Seems to be a pretty grounded and realistic design. The guys over at the Spacedock youtube channel would probably like it.

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kalaong [2018-11-06 15:09:35 +0000 UTC]

Odd thought; have you ever read Peter Hamilton's Night's Dawn trilogy? He had a brainwave about this; if you're delivering megatons of metal from an asteroid belt to a planet, why bother with a ship? Why not just refine a load of metal, shape it into a vaguely aerodynamic shape, then just drop it into a planet's atmosphere at an angle that will shed its velocity as if it was a descending shuttle? Heck, you can keep it from ablating away as it drops by using microgravity techniques to foam the metal, and then once it hits the ocean, it will float!


Behold the Ironberg!

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Imperator-Zor In reply to kalaong [2018-11-06 18:03:09 +0000 UTC]

Yes i did.

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