History Main / Ramscoop

10th Jul '16 5:00:09 AM DavidCowie
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* Creator/PoulAnderson's ''Literature/TauZero'' takes place entirely on a ramscoop ship.

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* Creator/PoulAnderson's ''Literature/TauZero'' takes place entirely on a ramscoop ship. Anderson had clearly not received the news about the maximum speed, because the ship accelerates to a very large fraction of the speed of light.
20th May '16 5:46:39 PM PilotSolaris
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** ''Elite: Dangerous'' also features ramscoops, but alleviates the need to fly forever to the star from the jump-in point of a system by putting jump-in points right next to the system's parent star (or, in the case of binary/multiple star systems, right next to its primary star).

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** ''Elite: Dangerous'' ''VideoGame/EliteDangerous'' also features ramscoops, but alleviates the need to fly forever to the star from the jump-in point of a system by putting jump-in points right next to the system's parent star (or, in the case of binary/multiple star systems, right next to its primary star).
9th Apr '16 4:56:37 PM jason1420
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In RealLife, no nuclear fusion technology (aside from hydrogen bombs) has yet "broken even" -- they all consume more energy to induce nuclear fusion than they get out of it. And, worse, the most promising fusion technologies don't use the regular garden-variety hydrogen lying around the universe, they use a much rarer isotope called [[superscript:2]]H or deuterium. As explained over [[http://en.wikipedia.org/wiki/Bussard_ramjet on The Other Wiki]] and [[http://www.projectrho.com/rocket/slowerlight.php#id--Go_Fast--Bussard_Ramjet Atomic Rockets]], since Bussard first proposed the idea there's been some serious questions about whether it would actually work. Still, a lot of fiction features them as that news hasn't reached everyone yet.

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In RealLife, no nuclear fusion technology (aside from hydrogen bombs) has yet "broken even" -- they all consume more energy to induce nuclear fusion than they get out of it. And, worse, the most promising fusion technologies don't use the regular garden-variety hydrogen lying around the universe, they use a much rarer isotope called [[superscript:2]]H or deuterium. As explained over [[http://en.wikipedia.org/wiki/Bussard_ramjet on The Other Wiki]] and [[http://www.projectrho.com/rocket/slowerlight.php#id--Go_Fast--Bussard_Ramjet Atomic Rockets]], since Bussard first proposed the idea there's been some serious questions about whether it would actually work. Still, a lot of fiction features them as that news hasn't reached everyone yet.
yet. Unfortunately, a lot of fiction writers don't understand even given a perfect fusion rocket, drag forces limit the maximum speed of a ramscoop to no more than ~10% of the speed of light.
9th Feb '16 12:54:46 PM tracer
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In RealLife, no nuclear fusion technology (aside from hydrogen bombs) has yet "broken even" -- they all consume more energy to induce nuclear fusion than they get out of it. And, worse, the most promising fusion technologies don't use the regular garden-variety hydrogen lying around the universe, they use a much rarer isotope called [[superscript:2]]H or deuterium. As explained over [[http://en.wikipedia.org/wiki/Bussard_ramjet on The Other Wiki]] and [[http://www.projectrho.com/rocket/slowerlight.php#id--Bussard_Ramjet Atomic Rockets]], since Bussard first proposed the idea there's been some serious questions about whether it would actually work. Still, a lot of fiction features them as that news hasn't reached everyone yet.

to:

In RealLife, no nuclear fusion technology (aside from hydrogen bombs) has yet "broken even" -- they all consume more energy to induce nuclear fusion than they get out of it. And, worse, the most promising fusion technologies don't use the regular garden-variety hydrogen lying around the universe, they use a much rarer isotope called [[superscript:2]]H or deuterium. As explained over [[http://en.wikipedia.org/wiki/Bussard_ramjet on The Other Wiki]] and [[http://www.projectrho.com/rocket/slowerlight.php#id--Bussard_Ramjet php#id--Go_Fast--Bussard_Ramjet Atomic Rockets]], since Bussard first proposed the idea there's been some serious questions about whether it would actually work. Still, a lot of fiction features them as that news hasn't reached everyone yet.
16th Jan '16 8:13:31 AM Morgenthaler
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* Ramscoops and Ramjets are some of the equipment available in the 4X game, ''StarRuler''. As the ship moves, they slowly restore fuel, allowing you to have effectively infinite fuel, so long as you use a small rocket. Ramjets are basically a rocket and ramscoop combined, eliminating the need for fuel tanks.

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* Ramscoops and Ramjets are some of the equipment available in the 4X game, ''StarRuler''.''Videogame/StarRuler''. As the ship moves, they slowly restore fuel, allowing you to have effectively infinite fuel, so long as you use a small rocket. Ramjets are basically a rocket and ramscoop combined, eliminating the need for fuel tanks.
17th Nov '15 11:59:39 AM ScienceK
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** The Conjoiner drives are of the RAIR type described above: they use the material gathered with the ramscoop as remass, and accelerate it with energy drawn from ([[spoiler:a pair of wormholes to the very early, hot universe.]])

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** The Conjoiner drives are of the RAIR type described above: they use the material gathered with the ramscoop as remass, and accelerate it with energy drawn from ([[spoiler:a [[spoiler:a pair of wormholes to the very early, hot universe.]])]]
17th Nov '15 11:59:14 AM ScienceK
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Added DiffLines:

**The Conjoiner drives are of the RAIR type described above: they use the material gathered with the ramscoop as remass, and accelerate it with energy drawn from ([[spoiler:a pair of wormholes to the very early, hot universe.]])
1st Sep '15 9:59:00 AM Saber15
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Added DiffLines:

* In the ''Literature/GreatShip'' universe, the eponymous PlanetSpaceship uses a ramscoop derivative technology to fuel its industries rather than the engines. The Greatship uses magnetic fields to funnel in interstellar dust towards collection points, where it is sold off or used in ship repairs. The engines are [[EnormousEngine far too large]] to truly fuel with the diffuse gas, as the fuel tanks are larger than continents.
10th Jun '15 8:36:24 PM R1ck
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One of the most promising methods of propulsion for spacecraft, particularly spacecraft that need to cover vast interplanetary or interstellar distances, is nuclear fusion. The fusion of hydrogen into helium produces more than two ''million'' times as much energy as [[OhTheHumanity chemically combusting the same quantity of hydrogen with oxygen]].

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One of the most promising methods of propulsion for spacecraft, particularly spacecraft that need to cover vast interplanetary or interstellar distances, is nuclear fusion. The fusion of hydrogen into helium produces more than two ''million'' times as much energy as [[OhTheHumanity chemically combusting the same quantity of hydrogen with oxygen]].
oxygen.
17th May '15 10:19:13 PM nombretomado
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* In a novel of ''TheHistoryOfTheGalaxy'' series, the ''Alpha'', the first extrasolar colony ship, is supposed to be accelerated by three extremely-powerful fusion engines (CaptainsLog mentions that their combined power rivals a star). When the ship ends up in the Orion Nebula by accidentally tearing a hole between dimensions with the engines, they expend most of their on-board hydrogen tearing another hole back to our universe. The system in the nebula has no habitable planets, so the crew and the colonists are forced to live on one of the barren worlds for several generations, while the ship makes a long orbit through the dense part of the nebula, collecting hydrogen with its scoop. When the ship is found centuries later, it has only managed to replenish about a third of its stores. Not that it matters, as everybody uses FasterThanLightTravel by that point.

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* In a novel of ''TheHistoryOfTheGalaxy'' ''Literature/TheHistoryOfTheGalaxy'' series, the ''Alpha'', the first extrasolar colony ship, is supposed to be accelerated by three extremely-powerful fusion engines (CaptainsLog mentions that their combined power rivals a star). When the ship ends up in the Orion Nebula by accidentally tearing a hole between dimensions with the engines, they expend most of their on-board hydrogen tearing another hole back to our universe. The system in the nebula has no habitable planets, so the crew and the colonists are forced to live on one of the barren worlds for several generations, while the ship makes a long orbit through the dense part of the nebula, collecting hydrogen with its scoop. When the ship is found centuries later, it has only managed to replenish about a third of its stores. Not that it matters, as everybody uses FasterThanLightTravel by that point.
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