266 lines
10 KiB
Groff
266 lines
10 KiB
Groff
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SOFTDOCS FOR SPACE SHUTTLE
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FILE VERSION KRAKED BY THE DISK JOCKEY.
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COMMAND KEYS AS FOLLOWS:
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------------------------
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ESC = EXIT THIS PROGRAM
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CTRL P = PRINT LISTING
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CTRL L = VIEW/PRINT IN LOWER CASE
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>>ANY OTHER KEY TO START DOCUMENTATION<<
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COMMAND KEYS DURING LISTING:
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----------------------------
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ESC = EXIT LISTING
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ARROW KEYS CONTROL LISTING SPEED
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PRINTER IN WHICH SLOT? (1-7,ESC)
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Space Shuttle Documentation by the Disk Jockey.
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-----------------------------------------------
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Special Control Features:
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-------------------------
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Ctrl R: Aborts flight and returns to demo screen.
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Ctrl S: Turns sound on and off.
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Ctrl X: Reverses X axis control direction of Joystick.
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Ctrl Y: Reverses Y axis control direction of Joystick.
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Ctrl J: Changes control from keyboard to joystick.
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Ctrl K: Changes control from Joystick to keyboard.
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Effect Effect Effect Before/
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Key When TRN is on When ROT is on After Orbit Stage
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--------------------------------------------------------------------
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<-- (Z) Altitude decrease OMS Burn = button & joystick forw
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--> (Z) Altitude increase OMS Burn = button & joystick back
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I Speed increase Pitch down = joystick pushed forw
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J Y Axis to left Yaw Left = joystick to left
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K Y Axis to right Yaw Right = joystick to right
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M Speed decrease Pitch up = joystick pulled back
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Once a key is pressed, action will continue until you press the
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SPACEBAR to disengage.
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Mission Profile.
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----------------
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You are in control of the space shuttle, Discovery, on the 101st
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shuttle mission of the Space Transportation System. Your target is an
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orbiting satellite approximately 210 nautical miles above the Earth.
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Your mission: To launch, rendezvous and dock with the satellite as
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many times as you can, using a minimum amount of fuel, then return
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safely to Earth. A word of caution: Each time you successfully dock,
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the satellite's orbit becomes more erratic.
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Equipment Check.
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----------------
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Flight mode selection: Press Spacebar, 1, 2, 3 to cycle through
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flight mode options. Press RETURN once selection has been made.
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Primary Engine/Countdown Key: Press "E" to start primary engine and
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initiate countdown clock. Press "E" again when orbit altitude is
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reached.
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Cargo Door Key: Press "C" to open/close cargo bay doors when orbit
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altitude is reached.
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Landing Gear Key: Press "G" to lower landing gear just prior to
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touchdown.
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Joystick Controller: A realistic directional hand controller forward
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and back moves shuttle forward or back (x-axis). Left and right
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controls left/right movement (y-axis). With the fire button depressed,
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forward or back stick movement moves shuttle up or down (z-axis).
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Also the fire button has other uses in Launch, Orbit, and Reentry
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phases as described in those sections.
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Status Check: Press SPACEBAR to cycle through readouts of this
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important information: Position, axes and pitch, mission elapsed time
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(MET), and remaining fuel (flight #3).
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Flight Selection.
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-----------------
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There are 3 different flight modes. Spend time with training flights
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#1 and #2 before taking on all the challenge of a real, unassisted
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shuttle mission (flight #3). Flights can only be selected before
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countdown begins.
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Flight #1 Autosimulator: This is a combination demonstration flight
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and autosimulator. The shuttle flies an abbreviated mission. You do
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not use any of the console controls. In this flight mode, most aborts
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are ignored. Whenever you touch the joystick, you can take control
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from that point until rendezvous. Then you can only use the joystick
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controller to correct your Y axis and land.
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Flight 2 Simulator: Astronauts spend 1000's of hours practicing in
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ground-based simulators before flying an actual shuttle mission. In
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this mode, experience the challenge and demands of a real mission -
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with a couple of important exceptions. You don't use any fuel units,
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so you have all the time you need to complete the mission. Also,
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onboard computers will assist you during flight by compensating for
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less than perfect piloting skills. Most aborts are overridden, but
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your flight indicator display will alert you when you've erred.
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Flight #3 STS 101: A full-fledged shuttle flight. All aborts are
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operative and flight conditions are quite realistic. Good luck!
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Flight Evaluation.
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------------------
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Abort Indicator: If critical problems occur at any time during a
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flight, you may receive a "Launch Scrub" or "Mission Abort" signal.
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If this happens, your flight has ended. Check and look up C/W number
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to find out what went wrong.
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Ranking: If you safely land the shuttle at Edwards Air Force Base in
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flight #3, you performance will be computer evaluated. Your ranking
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will be determined by the number of successful dockings and the
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number of fuel units remaining at the end of the flight.
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Ranking Description docking fuel
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--------------------------------------------------------------------
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Commander. Responsible for overall crew safety and 6 or 7500
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flight execution. greater
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Pilot. Second in command, assists in all flight 4.5 4500
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functions.
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Mission Qualified to coordinate mission scientific 2.3 3500
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Specialist. objectives.
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Payload Qualified to operate specific payload and 1.0 1
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Specialist. coordinate shuttle housekeeping.
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Launch.
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-------
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Objective: Launch your shuttle and attempt to arrive as close to the
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satellite's orbit as possible. Follow a roller coaster path, and
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continually match engine thrust with the computer indicator. Stay on
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the course shown on the trajectory display, and correct your plane as
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indicated in the small box. Each area is critical. Incorrect
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trajectory burns up extra fuel and may abort your flight. If you
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plane is far out of alignment at MECO (main engine shut off), it will
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be much more difficult to dock with the target.
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Launch Checklist.
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-----------------
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Launch Phases: As you fire your main engines and lift off from the
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pad, you'll be going through 3 separate phases. The numbers 1, 2, 3
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on your computer screen refer to points along the track where (1)
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SRB's (solid rocket booster) are fired, (2) the shuttle reaches
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maximum acceleration, (3) engine shutdown approaches. The X indicates
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MECO (main engine cut off).
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Thrust: Notice the two long horizontal bars on the control panel. "T"
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means thrust, "C" for computer. The "C" arrow represents a signal
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from the onboard computer indicating the proper thrust needed during
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each phase of lift-off. You control thrust with the joystick button.
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Keep both "T" and "C" arrows aligned. If you don't, you will be
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alerted by an alarm which indicates you are wasting fuel. Immediately
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press the joystick button to increase or decrease thrust.
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Hold Down Bolts: Though your engines are firing, you won't leave the
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launch pad until MET + 3. The Hold Down Bolts will keep your shuttle
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on the ground until your engines develop enough thrust to overcome
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the force of gravity.
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Trajectory/Plane: In addition to regulating thrust, you also need to
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follow the correct trajectory (joystick forward/back) and adjust your
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plane (joystick left/right).
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Line Horn: If you stray from the indicated launch trajectory, you
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will waste fuel. To alert you that this is happening, a warning horn
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will sound. This alarm can help you avoid an abort situation.
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Separation: A yellow flash at about 26 nautical miles will indicate
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Solid Rocket Booster Separation (SRBSEP). Another flash shortly after
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MECO will alert you that the Main External Tank has fallen away into
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the Indian Ocean (ETSEP).
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Launch Sequence:
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----------------
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1) Select flight mode by pressing the SPACEBAR and keys 1, 2, or 3.
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Then press RETURN once selection has been made.
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2) Wait approximately 5 seconds for all systems to become
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operational.
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3) When digital countdown clock appears, press "E" to activate Main
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Engine and initiate countdown.
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4) At MET-004, press the fire button to ignite main engines, then use
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this button to keep "T" and "C" arrows aligned until you reach orbit.
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5) Watch Trajectory Tracking Screen and use the joystick to maintain
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correct ascension track and left-right alignment (horn sounds to warn
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you reached orbit).
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5) Watch Trajectory Tracking Screen and use the joystick to maintain
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correct ascension track and left-right alignment (horn sounds to warn
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you of trajectory varance).
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- Move joystick forward or backwards to maintain correct
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trajectory course. Try to stay on or just below the plotted
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line.
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- Move joystick left or right to keep dot centered in small
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"plane indicator" box.
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6) At about 205 nautical miles, press "E" to shut off the main
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engine. The closer you come to the 210 mile altitude, the nearer
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you'll be to the target satillete's orbit. WARNING: If you shut off
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the main engine at less than 195 miles, the shuttle will fall to
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Earth!
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Stablizing Orbit.
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-----------------
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Objective: Establish a stable by opening Cargo Bay Doors for heat
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release and adjusting shuttle position to achieve visual contact with
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Earth.
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Cargo Bay Doors: Your first task is to open the bay doors. This is
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vital and must be done during the first orbit. Radiators that shed
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excess heat generated during the launch are on the inner surfaces of
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these doors. If the doors remain closed, heat builds up inside the
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shuttle and the warning horn sounds. You then have just 15 seconds to
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open the doors. If you don't, the mission will be aborted.
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Nose Down Maneuver: When the shuttle first achieves orbit, the nose
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of the craft is pointed up, out of the line of sight of the
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satellite. In order to dock, you must see the satellite. Adjust the
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pitch, as explained below to bring the shuttle's nose down. When you
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do this, you'll be able to see the blue Earth through the window.
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Cargo bay door opening and pitch adjustment must be performed on the
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first orbit before any further operations should be attempted.
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Sequence to Stablize Orbit:
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1) Press "C" to open cargo bay doors.
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2) Press "R" to activate OMS Rotational Engines.
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3) Move joystick forward or back to set pitch to -28.
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Stable Orbit Summary: Cargo bay door opening and pitch adjustment
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must be performed on the first orbit before any further operations
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should be attempted.
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