# How can I configure parameters in VTOL mode to enable the forward thrust vectoring by involving the servo at the front of the aircraft to adjust attitude?

**URL:** <https://discuss.px4.io/t/how-can-i-configure-parameters-in-vtol-mode-to-enable-the-forward-thrust-vectoring-by-involving-the-servo-at-the-front-of-the-aircraft-to-adjust-attitude/37320>\
**Category:** PX4 Autopilot\
**Created:** [March 15, 2024, 3:04pm UTC](https://discuss.px4.io/t/how-can-i-configure-parameters-in-vtol-mode-to-enable-the-forward-thrust-vectoring-by-involving-the-servo-at-the-front-of-the-aircraft-to-adjust-attitude/37320 "2024-03-15T15:04:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jiangyf](https://discuss.px4.io/letter_avatar_proxy/v4/letter/j/ecae2f/32.png) [@jiangyf](https://discuss.px4.io/u/jiangyf)\
**Post date:** [March 15, 2024, 3:04pm UTC](https://discuss.px4.io/t/how-can-i-configure-parameters-in-vtol-mode-to-enable-the-forward-thrust-vectoring-by-involving-the-servo-at-the-front-of-the-aircraft-to-adjust-attitude/37320/1 "2024-03-15T15:04:19Z")

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In the tilt-rotor VTOL mode, how can parameters be set to enable the forward tilt servo to assist in adjusting roll and pitch, thus achieving thrust vectoring?  
In the APM firmware, there’s a parameter called Q\_TILT\_FIX\_ANGLE. This is the angle the motors tilt down when at maximum output for forward flight. Set this to a non-zero value to enable vectoring for roll/pitch in forward flight on tilt-vectored aircra. I’d like to achieve the same functionality in PX4 firmware. How can I set this parameter?