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See also: Launch tower  and Gantry (rocketry)

A launch pad is the area and facilities where rockets or spacecrafts liftoff. A launch tower is constructed on the Launch pad of an unguided Rocket for the purpose of guiding the rocket until it is fast enough for aerodynamic stabilization In Rocketry, a gantry is a Service tower, a multistory frame which encloses a rocket at its Launch pad, containing elevators and staircases that enable A typical launch pad consists of the service and umbilical structures. The service structure provides an access platform to inspect the launch vehicle prior to launch. Most service structures can be moved or rotated to a safe distance. The umbilical structure has propellent loading, gas, power, and communication links to the launch vehicle. The launch vehicle sits atop of the launch platform, which has the flame deflection structure to withstand the intense heat and load generated by rocket engines during liftoff.

Most cryogenic launch vehicles need to be continuously topped off as scheduled liftoff approaches. Cryogenics is often used incorrectly to refer to Cryonics, cryopreserving humans or animals This is particularly necessary as various holds are placed on the liftoff and then removed as support personnel correct problems or verify they are not serious. Without the ability to top off the launch vehicle, the launch would have to be scrubbed when problems slowed down the countdown. A countdown is the backward counting to indicate the seconds days etc Gantries are commonly designed and constructed on launch pads to meet these types of servicing requirements both during launch and in the preparation period leading up to it. In Rocketry, a gantry is a Service tower, a multistory frame which encloses a rocket at its Launch pad, containing elevators and staircases that enable

Most rockets need stable support for a few seconds after ignition while the engines ramp up and stabilize at full thrust. A rocket or rocket vehicle is a Missile, Aircraft or other Vehicle which obtains Thrust by the reaction of the Thrust is a reaction force described quantitatively by Newton 's Second and Third Laws. This stability requirement is commonly met by the use of explosive bolts to connect the launch vehicle to the pad. A pyrotechnic fastener (also called an explosive bolt, or pyro, within context is a Fastener, usually a nut or bolt that incorporates a pyrotechnic When the vehicle is stable and ready to fly the bolts explode, severing the vehicle's ties to the launch pad and structures on the ground.

Methods

There are several different types of launch site, determined by the means by which the rocket gets to the pad.

See also

In Spaceflight, a launch vehicle or carrier rocket is a Rocket used to carry a payload from the Earth's surface into Outer space. A pad abort test is a test of a Launch escape system to determine how well the system could get the crew of a Spacecraft to safety in an emergency on the Launch Non-rocket spacelaunch (NRS is the idea of reaching outer space specifically from the Earth's surface predominately without the use of conventional chemical rockets which today A rocket launch is the first phase of the flight of a Rocket.

Dictionary

launch pad

-noun

  1. The surface or structure from which a launch is made.
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