@LAZYGLOBAL OFF.

function disable_engine_gimbal {
    //
    // Disable engine gimbal when engine is off.
    //
    on (THROTTLE = 0) {
        list ENGINES in engines_list.
        for engine in engines_list {
            if engine:HASGIMBAL set engine:GIMBAL:LOCK to (not THROTTLE).
        }
        return true.  // preserve trigger
    }
}