Quicklaunch

Quicklaunch is a currently inactive company attempting to use a type of space gun to launch payloads into low Earth orbit. It is a university spin-off of the SHARP project which ended 2005.

Quicklaunch
Private
IndustryAerospace
Founded2010
HeadquartersCalifornia
Key people
John Hunter (not at present)
Websitequicklaunchinc.com

Quicklauncher

The Quicklaunch proposed firing apparatus was a light-gas gun using hydrogen as the working gas and natural gas as the explosive heat source. Heating and pre-pressurizing the hydrogen working gas takes 10 minutes before the shot and most of the hydrogen is recovered by a muzzle muffler at the end of the launch tube to be reused for subsequent launches.

The 1,100 metres (3,600 ft) long gun would be, for the most part, submerged in the ocean. Its horizontal and vertical direction (azimuth and elevation) could be adjusted based on customer launch requirements.

The proposed launcher was designed to give projectiles an initial speed of 6 km/s (3.7 mi/s) while the Earth orbital speed is 6.9 to 7.8 km/s. The projectile design therefore included a one-stage rocket which ignites some time after launch. The designed payloads could include spacecraft, satellites, consumable, water or fuel to supply a propellant depot in orbit.

Projected dollar cost per pound to orbit were $500 ($1,100/kg).[1][2]

Project phases
  1. A one-year 2 million dollar project to break the record height of 180 kilometres (110 mi) for a projectile fired from a space gun, which was achieved in Project HARP.
  2. A two-year 10 million dollar project to launch to orbit a 1 kilogram (2.2 lb) payload each time.
  3. A two-year 50 million dollar project to launch to orbit a 45 kilograms (99 lb) payload each time.
  4. A three-year 500 million dollar project to build and operate multiple 1,100 meter long Quicklaunchers called the QL-1000 that are capable of launching 1,000 lb propellant payloads to orbit. The goal is to supply 4 million lbs (2,000 tons) of fuel to orbital propellant depots yearly.[3]

Hiatus

In a 2016 article, Hunter remarked that the work had been put in stasis due in part to Elon Musk's company, SpaceX, taking up the challenge of reducing costs to orbit. Hunter however invited someone with a similar level of money and motivation[4], to take a fresh look at the approach.[5]

gollark: No.
gollark: You could wait for a different 2G prize?
gollark: You could get IOUs for stupidly large amounts of reds...
gollark: <@225664019640483841> Useful tip: the eggs get swapped round every 5 minutes.
gollark: I demand INFINITE LEETLES!

See also

References
  1. "Quicklaunch Inc - Affordable Space Exploration". Archived from the original on 2012-07-24. Retrieved February 14, 2012.
  2. "Cannons to the Planets". GoogleTechTalks. 2009.
  3. https://web.archive.org/web/20120927084853/http://quicklaunchinc.com/investors/space-exploration/
  4. https://www.yuma.army.mil/outpost/2018/14May2018.pdf
  5. http://www.bbc.com/future/story/20160317-the-man-who-tried-to-make-a-supergun-for-saddam-hussein
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