A jet engine works like this: It sucks in air from the front of the engine. This air is burned with the fuel within the engine. The resulting large mass of gas is ejected towards the rear at high velocity, which both propels the airplane forward, and gets more air sucked into the engine. The actual 'uplift' is gained through the wings using the strong flow of the wind. How actually the wings lift the airplane is a bit controversial, there is the 'Bernoulli' side, and the 'Newton' side But that's another story.
A rocket, in contrast, carries both fuel which may be solid or liquid and oxygen. Therefore it does not suck in air from the front.
All it does is burn the fuel with the oxygen, and eject it at very high velocities backward. This momentum is used to both lift and propel the rocket. There are no wings for uplift. Any wings are for steering purposes. A rocket is generally much more powerful and wasteful than a jet engine. Most airplanes don't know of any exceptions can not possibly climb vertically, while rockets are built just to do that. A jet airplane is pretty much useless outside the atmosphere, but a rocket will work just fine since it carries its own fuel and oxygen.
Answered by: Yasar Safkan, Ph. Last edited: Apr 30, In Portuguese and Spanish the term is "nave espacial" and translates to "spaceship", with the ship "nave" being synonymous to vehicle. Pilot Epik spaec mishun! The way I see it, a spacecraft is something that is designed for operating both in space, and in the atmosphere. A spaceship is something that only operates in space. MikeB Member. And to keep it straight, a naval architect once told me, "You can put a boat on a ship, but you can't put a ship on a boat.
Urwumpe Not funny anymore Addon Developer. MikeB said:. Joined Jun 22, Messages 6, Reaction score 0 Points 0. Maritime expressions come up too often in spaceflight, methinks. If you have to have use any closer-to-home analogies, use those used by aircraft.
They're far more apt, and a lot of aircraft terminology comes from maritime terminology anyway. Is that a problem? I think starboard and port are less confusing then left and right.
Also, much more words in spaceflight actually come from geocentric astrology. Pilot said:. Starship is designed to carry these building blocks. Building cities on Mars will require affordable delivery of significant quantities of cargo and people. The fully reusable Starship system uses in-space propellant transfer to achieve this and carry people on long-duration, interplanetary flights.
The engineering video below simulates the physics of Mars entry for Starship. The Raptor engine is a reusable methalox staged-combustion engine that powers the Starship launch system. Raptor engines began flight testing on the Starship prototype rockets in July , becoming the first full-flow staged combustion rocket engine ever flown. After modifications, it flew the first Space Shuttle mission of the post- Challenger era on Sept. On March 9, , it touched down after its final flight.
The Atlantis OV made its first orbital flight Oct. During its second flight, Nov. It was modified and returned into orbit Dec. The May 19, , launch of the Space Shuttle Atlantis introduced a host of enhancements, including an adaptation of the glass cockpit system used in the Boeing The radar function can pinpoint objects in space as far away as miles kilometers for shuttle rendezvous.
By linking with a NASA satellite, the communications function allowed crews to transmit television-like pictures, voice messages and high-speed data streams.
0コメント