Space Goal Cannon Mac OS

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This cannon kicks the missile turret straight where it hurts, and it's so big it needs a 5x5 space rather than 3x3. Sure, it turns slower and fires slower, but when it does, it makes big freak'in holes in stuff. Access all of your Google Drive content directly from your Mac or PC, without using up disk space. Learn more Download Backup and Sync for Mac Download Backup and Sync for Windows.

The Quicklauncher spacegun

A space gun, sometimes called a Verne gun because of its appearance in From the Earth to the Moon by Jules Verne, is a method of launching an object into space using a large gun- or cannonlike structure. Space guns could thus potentially provide a method of non-rocket spacelaunch. It has been conjectured that space guns could place satellites into Earth's orbit (although after-launch propulsion of the satellite would be necessary to achieve a stable orbit), and could also launch spacecraft beyond Earth's gravitational pull and into other parts of the Solar System by exceeding Earth's escape velocity of about 11.20 km/s (40,320 km/h; 25,050 mph). However, these speeds are too far into the hypersonic range for most practical propulsion systems and also would cause most objects to burn up due to aerodynamic heating or be torn apart by aerodynamic drag. Therefore, a more likely future use of space guns would be to launch objects into Low Earth orbit, from where attached rockets could be fired or the objects could be 'collected' by maneuverable orbiting satellites.[citation needed]

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In Project HARP, a 1960s joint United States and Canada defence project, a U.S. Navy 410 mm (16 in) 100 caliber gun was used to fire a 180 kg (400 lb) projectile at 3,600 m/s (12,960 km/h; 8,050 mph), reaching an apogee of 180 km (110 mi), hence performing a suborbital spaceflight. However, a space gun has never been successfully used to launch an object into orbit or out of Earth's gravitational pull.

Technical issues[edit]

The large g-force likely to be experienced by a ballistic projectile launched in this manner would mean that a space gun would be incapable of safely launching humans or delicate instruments, rather being restricted to freight, fuel or ruggedized satellites.

Getting to orbit[edit]

A space gun by itself is not capable of placing objects into stable orbit around the object (planet or otherwise) from which it launches them. The orbit is a parabolic orbit, a hyperbolic orbit, or part of an elliptic orbit which ends at the planet's surface at the point of launch or another point. This means that an uncorrected ballistic payload will always strike the planet within its first orbit unless the velocity was so high as to reach or exceed escape velocity. As a result, all payloads intended to reach a closed orbit need at least to perform some sort of course correction to create another orbit that does not intersect the planet's surface. Spoons: the game mac os.

A rocket can be used for additional boost, as planned in both Project HARP and the Quicklaunch project. The magnitude of such correction may be small; for instance, the StarTram Generation 1 reference design involves a total of 0.6 km/s (1,300 mph) of rocket burn to raise perigee well above the atmosphere when entering an 8 km/s (18,000 mph) low Earth orbit.[1]

In a three-body or larger system, a gravity assist trajectory might be available such that a carefully aimed escape velocity projectile would have its trajectory modified by the gravitational fields of other bodies in the system such that the projectile would eventually return to orbit the initial planet using only the launch delta-v.[2][3]

Al jazeera mac os. Isaac Newton avoided this objection in his thought experiment by placing his notional cannon atop a tall mountain and positing negligible air resistance. If in a stable orbit, the projectile would circle the planet and return to the altitude of launch after one orbit (see Newton's cannonball).[4]

Acceleration[edit]

Nameless tombstone - 2 mac os. For a space gun with a gun barrel of length (l{displaystyle l}), and the needed velocity (ve{displaystyle v_{e}}), the acceleration (a{displaystyle a}) is provided by the following formula:[citation needed]

a=ve22l{displaystyle a={frac {v_{e}^{2}}{2l}}}

For instance, with a space gun with a vertical 'gun barrel' through both the Earth's crust and the troposphere, totalling ~60 km (37 miles) of length (l{displaystyle l}), and a velocity (ve{displaystyle v_{e}}) enough to escape the Earth's gravity (escape velocity, which is 11.2 km/s or 25,000 mph on Earth), the acceleration (a{displaystyle a}) would theoretically be more than 1,000 m/s2 (3,300 ft/s2), which is more than 100 g-forces, which is about 3 times the human tolerance to g-forces of maximum 20 to 35 g[5] during the ~10 seconds such a firing would take.

Practical attempts[edit]

Two sections of the Project Babylon gun
Project HARP, a prototype of a space gun.

V3 Cannon (1944-45)[edit]

Space Goal Cannon Mac OS

The German V-3 cannon program (less well known than the V-2 rocket or V-1 flying bomb), during the Second World War was an attempt to build something approaching a space gun. Based in the Pas-de-Calais area of France it was planned to be more devastating than the other Nazi 'Vengeance weapons'. The cannon was capable of launching 140 kg (310 lb), 15 cm (5.9 in) diameter shells over a distance of 88 km (55 mi). It was destroyed by RAF bombing using Tallboyblockbuster bombs in July 1944.[6] The V-3 cannon used staged propulsion, which gave it a far greater range.[citation needed]

Super High Altitude Research Project (1985-95)[edit]

The US Ballistic Missile Defense program sponsored the Super High Altitude Research Project (SHARP) in the 1980s. Developed at Lawrence Livermore Laboratory, it is a light-gas gun and has been used to test fire objects at Mach 9.

Project Babylon (1988-90)[edit]

The most prominent recent attempt to make a space gun was artillery engineer Gerald Bull's Project Babylon, which was also known as the 'Iraqi supergun' by the media. During Project Babylon, Bull used his experience from Project HARP to build a massive cannon for Saddam Hussein, leader of Ba'athist Iraq. Invisible path (datt4300group_rxyjh) mac os. Bull was assassinated before the project was completed.[7]

Quicklaunch (1996-2016)[edit]

After cancellation of SHARP, lead developers John Hunter founded the Jules Verne Launcher Company in 1996 and the Quicklaunch company. As of September 2012, Quicklaunch was seeking to raise $500 million to build a gun that could refuel a propellant depot or send bulk materials into space.[8][9][10]

Space Goal Cannon Mac Os Catalina

Ram accelerators have also been proposed as an alternative to light-gas guns. Other proposals use electromagnetic techniques for accelerating the payload, such as coilguns and railguns.[citation needed]

In fiction[edit]

The firing of a space gun in Jules Verne's From the Earth to the Moon

Space Goal Cannon Mac Os X

The first publication of the concept may be Newton's cannonball in the 1728 book A Treatise of the System of the World, although it was primarily used as a thought experiment regarding gravity.[11]

Perhaps the most famous representations of a space gun appear in Jules Verne's 1865 novel From the Earth to the Moon and his 1869 novel Around the Moon (loosely interpreted into the 1902 film Le Voyage dans la Lune), in which astronauts fly to the Moon aboard a ship launched from a cannon. Another famous example is used by the Martians to launch their invasion in H. G. Wells' 1897 book The War of the Worlds. Wells also used the concept in the climax of the 1936 film Things to Come. The device was featured in films as late as 1967, such as Jules Verne's Rocket to the Moon.

In the 1991 video game Ultima: Worlds of Adventure 2: Martian Dreams, Percival Lowell builds a space gun to send a spacecraft to Mars.

The 1992 video game Steel Empire, a shoot 'em up with steampunk aesthetics, features a space gun in its seventh level that is used by the main villain General Styron to launch himself to the Moon.

In Hannu Rajaniemi's 2012 novel The Fractal Prince, a space gun at the 'Jannah-of-the-cannon', powered by a 150-kiloton nuclear bomb, is used to launch a spaceship from Earth.

Fantasy mall mac os. The 2015 video game SOMA features a space gun used to launch satellites.

Gerald Bull's assassination and the Project Babylon gun were also the starting point for Frederick Forsyth's 1994 novel The Fist of God. In Larry Bond's 2001 novella and 2015 novel Lash-Up, China uses a space gun to destroy American GPS satellites.

In the 2004 role-playing game Paper Mario: The Thousand-Year Door, a village of Bob-ombs operates a space gun to send Paper Mario and company to the X-Naut's base on the Moon.

Gerald Bull and Project Babylon are integral to the plot of Louise Penny's 2015 novel The Nature of the Beast.

See also[edit]

  • Geostationary orbit: circular orbit 35,786 km (22,236 miles) above the Earth used by communications satellites

Space Goal Cannon Mac Os Download

References[edit]

Mac

The German V-3 cannon program (less well known than the V-2 rocket or V-1 flying bomb), during the Second World War was an attempt to build something approaching a space gun. Based in the Pas-de-Calais area of France it was planned to be more devastating than the other Nazi 'Vengeance weapons'. The cannon was capable of launching 140 kg (310 lb), 15 cm (5.9 in) diameter shells over a distance of 88 km (55 mi). It was destroyed by RAF bombing using Tallboyblockbuster bombs in July 1944.[6] The V-3 cannon used staged propulsion, which gave it a far greater range.[citation needed]

Super High Altitude Research Project (1985-95)[edit]

The US Ballistic Missile Defense program sponsored the Super High Altitude Research Project (SHARP) in the 1980s. Developed at Lawrence Livermore Laboratory, it is a light-gas gun and has been used to test fire objects at Mach 9.

Project Babylon (1988-90)[edit]

The most prominent recent attempt to make a space gun was artillery engineer Gerald Bull's Project Babylon, which was also known as the 'Iraqi supergun' by the media. During Project Babylon, Bull used his experience from Project HARP to build a massive cannon for Saddam Hussein, leader of Ba'athist Iraq. Invisible path (datt4300group_rxyjh) mac os. Bull was assassinated before the project was completed.[7]

Quicklaunch (1996-2016)[edit]

After cancellation of SHARP, lead developers John Hunter founded the Jules Verne Launcher Company in 1996 and the Quicklaunch company. As of September 2012, Quicklaunch was seeking to raise $500 million to build a gun that could refuel a propellant depot or send bulk materials into space.[8][9][10]

Space Goal Cannon Mac Os Catalina

Ram accelerators have also been proposed as an alternative to light-gas guns. Other proposals use electromagnetic techniques for accelerating the payload, such as coilguns and railguns.[citation needed]

In fiction[edit]

The firing of a space gun in Jules Verne's From the Earth to the Moon

Space Goal Cannon Mac Os X

The first publication of the concept may be Newton's cannonball in the 1728 book A Treatise of the System of the World, although it was primarily used as a thought experiment regarding gravity.[11]

Perhaps the most famous representations of a space gun appear in Jules Verne's 1865 novel From the Earth to the Moon and his 1869 novel Around the Moon (loosely interpreted into the 1902 film Le Voyage dans la Lune), in which astronauts fly to the Moon aboard a ship launched from a cannon. Another famous example is used by the Martians to launch their invasion in H. G. Wells' 1897 book The War of the Worlds. Wells also used the concept in the climax of the 1936 film Things to Come. The device was featured in films as late as 1967, such as Jules Verne's Rocket to the Moon.

In the 1991 video game Ultima: Worlds of Adventure 2: Martian Dreams, Percival Lowell builds a space gun to send a spacecraft to Mars.

The 1992 video game Steel Empire, a shoot 'em up with steampunk aesthetics, features a space gun in its seventh level that is used by the main villain General Styron to launch himself to the Moon.

In Hannu Rajaniemi's 2012 novel The Fractal Prince, a space gun at the 'Jannah-of-the-cannon', powered by a 150-kiloton nuclear bomb, is used to launch a spaceship from Earth.

Fantasy mall mac os. The 2015 video game SOMA features a space gun used to launch satellites.

Gerald Bull's assassination and the Project Babylon gun were also the starting point for Frederick Forsyth's 1994 novel The Fist of God. In Larry Bond's 2001 novella and 2015 novel Lash-Up, China uses a space gun to destroy American GPS satellites.

In the 2004 role-playing game Paper Mario: The Thousand-Year Door, a village of Bob-ombs operates a space gun to send Paper Mario and company to the X-Naut's base on the Moon.

Gerald Bull and Project Babylon are integral to the plot of Louise Penny's 2015 novel The Nature of the Beast.

See also[edit]

  • Geostationary orbit: circular orbit 35,786 km (22,236 miles) above the Earth used by communications satellites

Space Goal Cannon Mac Os Download

References[edit]

  1. ^'StarTram2010: Maglev Launch: Ultra Low Cost Ultra High Volume Access to Space for Cargo and Humans'. startram.com. Retrieved April 28, 2011.
  2. ^Clarke, Victor C., Jr. (1970-04-10), An Essay On the Application and Principle of Gravity-Assist Trajectories For Space Flight(PDF), Jet Propulsion Laboratory, California Institute of Technology, p. 7, archived from the original(PDF) on 2016-04-18, retrieved 2013-08-13, By induction then, it is obvious that the process of diverting a spacecraft from one planet to another might be continued indefinitely, if the planets were in favorable positions.
  3. ^Minovitch, Michael (August 23, 1961), A Method For Determining Interplanetary Free-Fall Reconnaissance Trajectories(PDF), Jet Propulsion Laboratory Technical Memos, pp. 38–44
  4. ^Newton, Isaac (1728). A Treatise of the System of the World. F. Fayram. pp. 6–12.
  5. ^'David Purley Bio'. Anton Sukup's Autographs of F1 Drivers. Retrieved July 31, 2006. Purley was subjected to the highest G-forces ever survived by a human being - 179.8G - when the car went from 108mph to zero in just over half a meter
  6. ^RAF staff (6 April 2005). 'RAF History - Bomber Command 60th Anniversary'. Bomber Command: Campaign Diary. RAF. Archived from the original on 6 July 2007. Retrieved 23 October 2013.
  7. ^Lowther, William (1991). Arms and the Man: Dr. Gerald Bull, Iraq, and the Supergun. Presidio Press. ISBN978-0-89141-438-4.
  8. ^'Quicklaunch Affordable Space Access'. TekLaunch Inc. Archived from the original on 2011-07-24.CS1 maint: unfit URL (link)
  9. ^'Jules Verne Launcher Company Concept'. astronautix.com. Retrieved November 11, 2011.
  10. ^Elahi, Amina (January 15, 2010). 'A Cannon for Shooting Supplies into Space'. Popular Science. Retrieved November 11, 2011.
  11. ^Greg Goebel (1 November 2019). '[4.0] Space Guns'. Spaceflight Propulsion (v1.4.0 ed.).

External links[edit]

Retrieved from 'https://en.wikipedia.org/w/index.php?title=Space_gun&oldid=1018267739'




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