Landed it!
More fine tuning to be done.
Below the line is for my own personal reference: -
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Q_TAILSIT_ENABLE = 1
Q_TAILSIT_MOTMX = 0
Q_FRAME_CLASS
Q_FRAME_TYPE
Q_OPTIONS ?
AHRS_ORIENTATION ?
Q_A_RAT_x = PID gains for VTOL
RLL_RATE_x / PTCH_RATE_x = PID gains for fixed wing
Q_TAILSIT_RLL_MX
Q_ANGLE_MAX
Q_TAILSIT_RLL_MX
Q_TRIM_PITCH
PTCH_TRIM_DEG
Q_A_ANGLE_BOOST ?
Q_TAILSIT_DSKLD
Q_TAILSIT_RAT_FW
Q_TAILSIT_ANGLE
Q_TAILSIT_ANG_VT
Q_TAILSIT_RAT_VT
Q_M_THRST_HOVER
Q_TAILSIT_THR_VT
Q_TAILSIT_INPUT
Q_YAW_RATE_MAX
Q_TAILSIT_RLL_MX