SIM_SB_ parameters

17 parameters in the SIM_SB_ family. ArduCopter 4.7 only — other vehicles share many of these names but not always the same ranges or meanings.

SIM_SB_ALT_TARG

altitude target

altitude target

Units

m

SIM_SB_ARM_LEN

arm length

distance from center of mass to one motor

Units

m

SIM_SB_CLMB_RT

target climb rate

target climb rate

Units

m/s

SIM_SB_COL

center of lift

center of lift position above CoG

Units

m

SIM_SB_DRAG_FWD

drag in forward direction

drag on X axis

SIM_SB_DRAG_SIDE

drag in sidewards direction

drag on Y axis

SIM_SB_DRAG_UP

drag in upward direction

drag on Z axis

SIM_SB_FLR

free lift rate

amount of additional lift generated by the helper balloon (for the purpose of ascent), as a proportion of the ‘neutral buoyancy’ lift

SIM_SB_HMASS

helium mass

mass of lifting gas

Units

kg

SIM_SB_MASS

mass

mass of blimp not including lifting gas

Units

kg

SIM_SB_MOI_PITCH

moment of inertia in pitch

moment of inertia in pitch

SIM_SB_MOI_ROLL

moment of inertia in roll

moment of inertia in roll

SIM_SB_MOI_YAW

moment of inertia in yaw

moment of inertia in yaw

SIM_SB_MOT_ANG

motor angle

maximum motor tilt angle

Units

deg

SIM_SB_MOT_THST

motor thrust

thrust at max throttle for one motor

Units

N

SIM_SB_WVANE

weathervaning offset

center of drag for weathervaning

Units

m

SIM_SB_YAW_RT

yaw rate

maximum yaw rate with full left throttle at target altitude

Units

deg/s