Appendix C: glossary of terms
Apparent Wind Angle, in degrees.
Apparent wind speed, in knots.
Battery voltage, in volts.
Boat Speed, in knots. Boat-relative.
Boat speed percentage. Boat-relative. Computed as follows: 100 * BSP / polar-BSP(TWS, TWA). In words: the boat speed relative to the polar boat speed known for the current TWS and TWA, in percentages.
Course over ground, in degrees.
Depth, in meters.
Forestay load cell, in tons.
Heel, in degrees.
Pitch, in degrees.
Speed over ground, in knots.
Rake, in degrees.
Rudder, in degrees.
Target true wind angle, in degrees. Boat-relative.
Target boat speed, in knots. Boat-relative.
Target heel, in degrees.
Target rake, in degrees.
Target apparent wind angle, in degrees. Boat-relative.
Target rudder, in degrees.
True wind angle, in degrees. Boat-relative.
True wind direction, in degrees.
True wind speed, in knots.
Velocity made good, in knots. Boat-relative.
Velocity made good percentage. Boat-relative. Computed as follows: 100 * VMG / polar-max-VMG(TWS). In words: the VMG relative to the polar's max upwind or downwind VMG known for the current TWS, in percentages.
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