If we were to set 80 % of the mass of the photon rocket

If a photon rocket begins its journey in low earth orbit, then one year of thrusting may be required to achieve an earth escape velocity of 11. 2 km / s if the vehicle is already in orbit at a velocity of 9, 100 m / s, and 400 m / s additional velocity is obtained from the east to west rotation of the earth.

If a rocket is launched to deliver a payload from a planetary surface into space it is called a launch vehicle.

After being chosen to be the first teacher in space, McAuliffe was a guest on several television programs, including Good Morning America ; the CBS Morning News ; the Today Show ; and The Tonight Show Starring Johnny Carson, where, when asked about the mission, she stated, " If you ’ re offered a seat on a rocket ship, don ’ t ask what seat.

If done by direct propulsion, the rocket equation dictates that a large fraction of the spacecraft mass must be fuel.

If even more speed is needed than available from gravity assist alone, the most economical way to utilize a rocket burn is to do it near the periapsis ( closest approach ).

If the rocket does not launch within the " window ", it has to wait for the next window.

If the manoeuvre from GTO to GEO is to be performed with a single impulse, as with a single solid rocket motor, apogee must occur at an equatorial crossing.

If all went well the rocket would reroute the fuel for this engine to the other engines and have the rocket burn longer to compensate for the loss of acceleration.

If the cycle happens to match a resonance frequency of the rocket then dangerous oscillations can occur through positive feedback, which can in extreme cases tear the vehicle apart.

If the rocket is never lit then SpaceShipOne can glide down to the ground.

If aerodynamic drag and transient changes in pressure are neglected, a closed-form approximation for the peak height of a rocket fired vertically can be expressed as follows:

If the centre of mass is placed forward of the fins, the rocket will nose dive.

If the force is too much, no metal will hold it and the ship will blow up, so imposing a strict limit on how fast a rocket can accelerate ) and people using oxygen pills to survive unprotected in the vacuum of space ( which would suck their blood out through their skin and the air from their lungs as well as popping their eyes ), Space Patrol was better up on science.

If the rocket failed during the first phases of the flight, the Emergency Detection System ( EDS ) would automatically give the command to abort.

* Pad abort: If the rocket failed in the last five minutes before launch, the CM and the launch escape system ( LES, see figure ) would separate from the remainder of the rocket below with the LES propelling itself and the CM beneath it upward and eastward to the sea using a small solid-fuelled engine ( the pitch control motor ) at the top of the tower on the launch escape system.

If a rocket exceeds these capabilities ( or if it has a person on-board ), it is considered licensable.

If he does not contact them by that time, then they can launch the rocket.

If a stable or circular orbit is needed, once the payload reaches the highest part of its trajectory then an on-board rocket engine (" kick motor ") or other means is needed to circularize the trajectory to the appropriate Earth orbit.

If any of the worldlines bends away from a geodesic path in some region, we can think of the observers as test particles that accelerate by using ideal rocket engines with a thrust equal to the magnitude of their acceleration vector.

If we could use all the small airfields we have in this country, we could disperse our strategic aircraft by a factor of 10 or more.

If, for some reason such as economy, we are not going to develop aircraft nuclear propulsion with a sense of national urgency, then we should turn our effort to developing jet engines with a thrust-to-weight ratio of 12 or 15 to one.

" If the aircraft is not being hijacked, the pilot should not squawk 7500 and should inform the controller accordingly.

If the air on one side of the diaphragm is at the static pressure, and the other at the stagnation pressure, then the deflection of the diaphragm is proportional to the dynamic pressure, which can then be used to determine the indicated airspeed of the aircraft.

If the weather is below VMC, pilots are required to use instrument flight rules, and operation of the aircraft will primarily be through referencing the instruments rather than visual reference.

If an aircraft is flying over a congested area ( town, settlement, etc.

If a jet aircraft is at full throttle but is tied to a very strong tree with a very strong chain, then the jet engine produces no propulsive power.

If the aircraft carrying the Hiroshima and Nagasaki bombs had been within the intense nuclear radiation zone when the bombs exploded over those cities, then they would have suffered effects from the charge separation ( radial ) EMP.

If its leading edge is raked back enough, it will escape the shock wave formed at the nose of the aircraft as transonic speeds are reached, reducing drag considerably, and the center of lift moves less than on conventionally configured aircraft, reducing trim drag.

The next citations are not found until 1955, when the May – June issue of Aviation Mechanics Bulletin included the line " Murphy's Law: If an aircraft part can be installed incorrectly, someone will install it that way ," and Lloyd Mallan's book, Men, Rockets and Space Rats, referred to: " Colonel Stapp's favorite takeoff on sober scientific laws — Murphy's Law, Stapp calls it —' Everything that can possibly go wrong will go wrong '.

If an airliner is defined as a plane intended for carrying multiple passengers in commercial service, the Russian Sikorsky Ilya Muromets was the first official passenger aircraft.

If seen, parachutist and light aircraft avoid dust devils.

If a loss of radio communications were to be encountered during VFR conditions, or if VFR conditions are encountered after loss of communication with the ground and other aircraft, the pilot of the aircraft shall continue the flight under VFR and land as soon as practicable.

If they are selected to serve as a pilot ( aircraft ), they will serve 8 – 11 years minimum from their date of winging, and if they are selected to serve as a naval flight officer they will serve 6 – 8 years.

If the APU or its electrical generator is not available, the aircraft cannot be released for ETOPS flight and is forced to take a longer non-ETOPS route.

If they are not successful, the decision to shoot down the aircraft before it reaches United States airspace is made, trading the lives of the approximately 400 innocent passengers to save the lives of hundreds of thousands of people on the ground.

If the leading edge of the aileron is sharp or bluntly rounded, that adds significant drag to that wing and help the aircraft to yaw ( turn ) in the desired direction, but adds some unpleasant or potentially dangerous aerodynamic vibration ( flutter ).

If attached close to the wing root, it makes the stall gentle and progressive ; if attached near the wing tip, it encourages the aircraft to drop a wing when stalling.

If you change this example to then the analogy would be flying in space to reach any position in 3D space ( ignoring the orientation of the aircraft ).

If that pulse is on the same frequency as the sent signal, it will cause a second blip to appear on the radar display, forming the basis of early IFF systems-those blips that are doubled up have the proper transponder, and are thus friendly aircraft.

If the signal from two stations arrived at the same time, the aircraft must be an equal distance from both transmitters, allowing the navigator to determine a line of position on his chart of all the positions at that distance from both stations.

* If the aircraft is a glider a maximum never exceed speed ( Vne ) of CAS