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"The thing that I'm most interested in at the moment is the so-called Infinite Energy solution - the possibility of finding new ways of tapping into virtually limitless sources of energy."
- Arthur C. Clarke
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| Shuttle Ship | ||
| A spacecraft that could take off from a planet, rendezvous with an object in orbit, and fly back to the surface like a glider. |
The Nautilus, a passenger spacecraft, was in orbit around Venus. What was the best way for a passenger like Don Harvey to get to the surface?
| A shuttle ship up from the surface could leave any spot on Venus, rendezvous with the ship in orbit, then land on its port of departure or on any other point having expended a theoretical minimum of fuel. As soon as the Nautilus had parked, such shuttles began to swarm up to her. They were more airplane than spaceship, for, although each was sealed and pressurized to operate outside the atmosphere while making contact with orbiting spaceships, each was winged and was powered with ramjet atmosphere engines as well as with rocket jets. Like frogs, they were adapted to two media.
A shuttle would be launched to catapult from the surface, her ramjets would take hold and she would climb on her wings, reaching in the thin, cold heights of the upper stratosphere speeds in excess of three thousand miles an hour. There, as her ramjets failed for want of air, her rocket jets would take over and kick her forward to orbiting speed of around twelve thousand miles an hour and permit her to match in with a spaceship. A nice maneuver! It required both precise mathematical calculation of times, orbits, fuel expenditure, and upper air weather, and piloting virtuosity beyond mathematical calculation - but it saved pennies. |
| Technovelgy from Between Planets,
by Robert Heinlein. Published by Charles Scribner's Sons in 1951 Additional resources -
|
And how could such a ship find its way safely back to a designated landing site on the surface of the planet? By using, as Heinlein points out, the energy it had already built up in gaining orbit:
Once the shuttle was loaded at the spaceship it was necessary only to nudge it with its rockets against the orbital direction whereupon the shuttle would drop into a lower orbit which would eventually intersect the atmosphere and let the pilot take a free ride back to the surface, glider fashion, killing his terrible speed by dipping ever lower into the thickening air. Here again the pilot must be an artist, for he must both kill his momentum and conserve it so that it would take him where he wanted to go.
The United States started designing the similar Space Shuttle starting in 1968, before the successful moon landings of the Apollo program. The successful launch of the Space Shuttle Columbia in 1981 is shown below.
(Space Shuttle Columbia)
Note that in Heinlein's "design" the shuttle ship uses a catapult to reach ramjet speed; rocket engines are used only in the last part of the launch. The actual Space Shuttle uses a large external fuel tank with solid fuel boosters to reach orbit.
See articles on the Space Shuttle, ramjets and finally a proposed catapult system, the Launch Ring Magnetic Launch System .
Thanks to Larry for pointing this one out, and supplying the references.
Compare to this entry, the first use of the phrase "space shuttle", in Hell Ship of Space (1940) by Frederic Arnold Kummer, Jr.. See also the Clarke Spaceplane from A Quantum Murder (1998) by Peter F. Hamilton.
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Additional
resources:
More Ideas
and Technology from Between Planets
More Ideas
and Technology by Robert Heinlein
Tech news articles related to Between Planets
Tech news articles related to works by Robert Heinlein
Shuttle Ship-related
news articles:
- Shuttle Atlantis Landing Video, As Per Heinlein
- SABRE Orbital Jet Engine Breakthrough
- SKYLON Space Plane Gets Boost
- DARPA's XS-1 Spaceplane
- Shh! USAF's Secret X-37B Space Plane Breaks Record
| Europa Clipper Plate Carries A Special Message |
| China Wants To Build Mega Space Ships |
| Dream Of Building Your Own Rocket? |
| Used Dragon Cargo Spacecraft Will Fly Again |
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'It sounds to me as though you had invented a kind of metal earthworm.'
'I don't have to tell you about the seven two-mile-diameter orbital mirrors that circulate around the satellite, making it habitable.'
'The steel tortoise gave MacKinnon a feeling of Crusoe- like independence.'
'...then back to their work, though little enough it was on these automatic cultivators.'
't came out into plain view. Darkington glimpsed a slim body and six short legs of articulated dull metal.'
'The suit stands up and starts walking, gripping me round the calves and waist, taking the bulk of my weight off my throbbing feet.'
'Internally it’s made up of millions of components, but the most important ones are the thinking and memory parts of the Mind proper.'
