Flight¶
- class Flight¶
Used to get flight telemetry for a vessel, by calling
Vessel.flight(). All of the information returned by this class is given in the reference frame passed to that method. Obtained by callingVessel.flight().Note
To get orbital information, such as the apoapsis or inclination, see
Orbit.- g_force¶
The current G force acting on the vessel in \(g\).
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- mean_altitude¶
The altitude above sea level, in meters. Measured from the center of mass of the vessel.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- surface_altitude¶
The altitude above the surface of the body or sea level, whichever is closer, in meters. Measured from the center of mass of the vessel.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- bedrock_altitude¶
The altitude above the surface of the body, in meters. When over water, this is the altitude above the sea floor. Measured from the center of mass of the vessel.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- elevation¶
The elevation of the terrain under the vessel, in meters. This is the height of the terrain above sea level, and is negative when the vessel is over the sea.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- latitude¶
The latitude of the vessel for the body being orbited, in degrees.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- longitude¶
The longitude of the vessel for the body being orbited, in degrees.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- velocity¶
The velocity of the vessel, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Returns:
The velocity as a vector. The vector points in the direction of travel, and its magnitude is the speed of the vessel in meters per second.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- speed¶
The speed of the vessel in meters per second, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- horizontal_speed¶
The horizontal speed of the vessel in meters per second, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- vertical_speed¶
The vertical speed of the vessel in meters per second, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- center_of_mass¶
The position of the center of mass of the vessel, in the reference frame
ReferenceFrame- Attribute:
Read-only, cannot be set
- Returns:
The position as a vector.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- rotation¶
The rotation of the vessel, in the reference frame
ReferenceFrame- Attribute:
Read-only, cannot be set
- Returns:
The rotation as a quaternion of the form \((x, y, z, w)\).
- Return type:
tuple(float, float, float, float)
- Game Scenes:
Flight
- direction¶
The direction that the vessel is pointing in, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Returns:
The direction as a unit vector.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- pitch¶
The pitch of the vessel relative to the horizon, in degrees. A value between -90° and +90°.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- heading¶
The heading of the vessel (its angle relative to north), in degrees. A value between 0° and 360°.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- roll¶
The roll of the vessel relative to the horizon, in degrees. A value between -180° and +180°.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- prograde¶
The prograde direction of the vessels orbit, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Returns:
The direction as a unit vector.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- retrograde¶
The retrograde direction of the vessels orbit, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Returns:
The direction as a unit vector.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- normal¶
The direction normal to the vessels orbit, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Returns:
The direction as a unit vector.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- anti_normal¶
The direction opposite to the normal of the vessels orbit, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Returns:
The direction as a unit vector.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- radial¶
The radial direction of the vessels orbit, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Returns:
The direction as a unit vector.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- anti_radial¶
The direction opposite to the radial direction of the vessels orbit, in the reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Returns:
The direction as a unit vector.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- atmosphere_density¶
The current density of the atmosphere around the vessel, in \(kg/m^3\).
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- dynamic_pressure¶
The dynamic pressure acting on the vessel, in Pascals. This is a measure of the strength of the aerodynamic forces. It is equal to \(\frac{1}{2} . \mbox{air density} . \mbox{velocity}^2\). It is commonly denoted \(Q\).
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- static_pressure¶
The static atmospheric pressure acting on the vessel, in Pascals.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- static_pressure_at_msl¶
The static atmospheric pressure at mean sea level, in Pascals.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- aerodynamic_force¶
The total aerodynamic forces acting on the vessel, in reference frame
ReferenceFrame.- Attribute:
Read-only, cannot be set
- Returns:
A vector pointing in the direction that the force acts, with its magnitude equal to the strength of the force in Newtons.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- simulate_aerodynamic_force_at(body, position, velocity)¶
Simulate and return the total aerodynamic forces acting on the vessel, if it where to be traveling with the given velocity at the given position in the atmosphere of the given celestial body.
- Parameters:
body (CelestialBody) –
position (tuple) –
velocity (tuple) –
- Returns:
A vector pointing in the direction that the force acts, with its magnitude equal to the strength of the force in Newtons.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- lift¶
The aerodynamic lift currently acting on the vessel.
- Attribute:
Read-only, cannot be set
- Returns:
A vector pointing in the direction that the force acts, with its magnitude equal to the strength of the force in Newtons.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- drag¶
The aerodynamic drag currently acting on the vessel.
- Attribute:
Read-only, cannot be set
- Returns:
A vector pointing in the direction of the force, with its magnitude equal to the strength of the force in Newtons.
- Return type:
tuple(float, float, float)
- Game Scenes:
Flight
- speed_of_sound¶
The speed of sound, in the atmosphere around the vessel, in \(m/s\).
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- mach¶
The speed of the vessel, in multiples of the speed of sound.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- reynolds_number¶
The vessels Reynolds number.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
Note
Requires Ferram Aerospace Research.
- true_air_speed¶
The true air speed of the vessel, in meters per second.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- equivalent_air_speed¶
The equivalent air speed of the vessel, in meters per second.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- terminal_velocity¶
An estimate of the current terminal velocity of the vessel, in meters per second. This is the speed at which the drag forces cancel out the force of gravity.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- angle_of_attack¶
The pitch angle between the orientation of the vessel and its velocity vector, in degrees.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- sideslip_angle¶
The yaw angle between the orientation of the vessel and its velocity vector, in degrees.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- total_air_temperature¶
The total air temperature of the atmosphere around the vessel, in Kelvin. This includes the
Flight.static_air_temperatureand the vessel’s kinetic energy.- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- static_air_temperature¶
The static (ambient) temperature of the atmosphere around the vessel, in Kelvin.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
- stall_fraction¶
The current amount of stall, between 0 and 1. A value greater than 0.005 indicates a minor stall and a value greater than 0.5 indicates a large-scale stall.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
Note
Requires Ferram Aerospace Research.
- drag_coefficient¶
The coefficient of drag. This is the amount of drag produced by the vessel. It depends on air speed, air density and wing area.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
Note
Requires Ferram Aerospace Research.
- lift_coefficient¶
The coefficient of lift. This is the amount of lift produced by the vessel, and depends on air speed, air density and wing area.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
Note
Requires Ferram Aerospace Research.
- ballistic_coefficient¶
-
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
Note
Requires Ferram Aerospace Research.
- thrust_specific_fuel_consumption¶
The thrust specific fuel consumption for the jet engines on the vessel. This is a measure of the efficiency of the engines, with a lower value indicating a more efficient vessel. This value is the number of Newtons of fuel that are burned, per hour, to produce one newton of thrust.
- Attribute:
Read-only, cannot be set
- Return type:
float
- Game Scenes:
Flight
Note
Requires Ferram Aerospace Research.