11/9/2023 0 Comments Shuttle launch from plane![]() In an emergency, it could be returned to its extended position in just 28 few seconds if necessary. The Orbiter Access Arm is being retracted from Space Shuttle Discovery. Pilot Jim Kelly is flipping three switches inside Discovery's cockpit to start each of the three Auxiliary Power Units.ġ0:32 a.m. The system protects the Shuttle and its payloads from any damage caused by acoustical energy generated during launch.Īt T-10 seconds, flares are ignited under Discovery's three main engines to burn away any residual gaseous hydrogen that may haveĪt T-6.6 seconds, the main engines will begin firing in anticipation of liftoff.ġ0:34 a.m. GLS is go for auto-sequence start, and Discovery's onboard launch sequencer is in control at this point.Īt T-16 seconds, the launch pad's Water Sound Suppression System will begin flooding the Mobile Launcher Platform with 300,000 gallons of water. Solid Rocket Booster separation should take place about two minutes into flight.ġ0:38 a.m. The engines will throttle back up to 104% about a minute into flight, just before the vehicle passes through maximum aerodynamic pressure known as Max Q. Half a minute into its climb, Discovery's main engines will throttle down to about 72%. ![]() and the vehicle has cleared the tower.ĭiscovery will roll into a head-down position, with wings level and aligned with the launch pad. beginning America's new journey to the moon, Mars and beyond. Mission-elapsed time two minutes, five seconds and Discovery's twin Solid Rocket Boosters have separated successfully.ġ0:39 a.m. Space Shuttle Discovery is now 85 miles east of the Kennedy Space Center.ġ0:41 a.m. Space Shuttle Discovery is traveling 6,700 miles per hour and is 200 miles from Kennedy.ġ0:42 a.m. Discovery has rolled back to a heads-up position now as it soars toward orbit.ġ0:44 a.m. Discovery traveling 3,300 miles per hour, altitude 65 miles, and 615 miles downrange from Kennedy.ġ0:45 a.m. Main engine cut-off - and jettison of the External Tank! Discovery has reached orbit! Commander Eileen Collins confirms a good separation.ġ0:46 a.m. ![]() Review our archived coverage of Discovery's first launch attempt July 13, 2005.ġ0:48 a.m. The Virtual Launch Control Center was deactivated The Virtual Launch Control Center was activated + NASA Home > Mission Sections > Space Shuttle > Return to Flight > Launch and LandingĪll times are in EDT unless otherwise stated. In a second embodiment, the main engine of the orbiter is a scramjet instead of a rocket.NASA - Live Launch Countdown Coverage The site requires that JavaScripts be enabled in your browser. Separation is accomplished at a Mach number of about 3.3. Following reentry, vehicle makes an unpowered horizontal landing. After pivoting out of cavity, vehicle is disengaged from struts and proceeds on its own to orbit. This differential causes vehicle to automatically pivot away from aircraft on struts. Rocket engine of aircraft is throttled to produce a thrust differential with rocket engine of vehicle. Aircraft and vehicle proceed to staging conditions under air breathing and then rocket power. Vehicle and aircraft are releasably connected by struts. Aircraft has a cavity opening aftwardly and downwardly to receive vehicle. An orbiter vehicle is integrated into the underside of an aircraft. ![]() The system of the invention is a two-stage horizontal takeoff and landing system. "This invention is directed toward providing a transatmospheric launch system that is essentially totally reusable, provides wide flexibility in choice of orbit, and may be launched quickly on short notice. ![]()
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