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{{DISPLAYTITLE:SETUP MENU E & F - Rudder limits and control direction|noerror}}
{{DISPLAYTITLE:SETUP MENU E & F - Rudder limits and control direction|noerror}}
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Next we have to setup the rudder gyro. For this we set the limits of the tail pitch control and the control directions, so the gyro will not move the servo further than allowed and in correct direction. In first line the rudder limits are necessary to prevent the gyro from moving the servo over the mechanical limits and damaging the servo. But when adjusting the limits please note that the optimum throw is not necessarily determined by the maximum possible control travel of the tail pitch slider. When the tail mechanics allow a very high range of pitch it may be advisable to adjust the limits based on the maximum allowed angle of attack of the tail rotor blades that will not lead to an aerodynamic stall of the blades. Such stalls can cause very bad stopping behavior like overshooting of the tail when stopping from rotation and can also cause bad tail response to rudder stick input when performing directional changes. Keep this in mind when adjusting the tail rotor endpoints. Check the helicopter‘s manual to find out how much tail pitch is useful and where to set end points.<br />
Next we have to setup the rudder gyro. For this we set the limits of the tail pitch control and the control directions, so the gyro will not move the servo further than allowed and in correct direction. In first line the rudder limits are necessary to prevent the gyro from moving the servo over the mechanical limits and damaging the servo. But when adjusting the limits please note that the optimum throw is not necessarily determined by the maximum possible control travel of the tail pitch slider. When the tail mechanics allow a very high range of pitch it may be advisable to adjust the limits based on the maximum allowed angle of attack of the tail rotor blades that will not lead to an aerodynamic stall of the blades. Such stalls can cause very bad stopping behavior like overshooting of the tail when stopping from rotation and can also cause bad tail response to rudder stick input when performing directional changes. Keep this in mind when adjusting the tail rotor endpoints. Check the helicopter‘s manual to find out how much tail pitch is useful and where to set end points.<br />
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=Mechanical setup of the rudder servo=
=Mechanical setup of the rudder servo= <!--T:3-->
In the following of this setup step you will be asked to connect the rudder servo to MICROBEAST PLUS. When doing so plug the servo connector into CH4 output at the device. Watch out for correct polarity, the black or brown minus wire must be the clostest to the bottom of the device.<br />
In the following of this setup step you will be asked to connect the rudder servo to MICROBEAST PLUS. When doing so plug the servo connector into CH4 output at the device. Watch out for correct polarity, the black or brown minus wire must be the clostest to the bottom of the device.<br />
[[Image:Rudderservo_connection.png|200px|none]]<br />
[[Image:Rudderservo_connection.png|200px|none]]<br />
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=Adjustment on the device=
=Adjustment on the device= <!--T:4-->
Using the EasySetup adjustment on the device this setup is separated in two Menu Points. At Menu Point E we set the rudder limits, at Menu Point F we teach the control direction. At first connect the rudder servo to [CH4] port of MICROBEAST PLUS as described above now.<br />
Using the EasySetup adjustment on the device this setup is separated in two Menu Points. At Menu Point E we set the rudder limits, at Menu Point F we teach the control direction. At first connect the rudder servo to [CH4] port of MICROBEAST PLUS as described above now.<br />
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==SETUP MENU E - Rudder limits==
==SETUP MENU E - Rudder limits== <!--T:5-->
To adjust the servo limits move the rudder stick in one direction until the servo reaches the maximum endpoint without any binding or stall. Release the rudder stick when correct position is reached. If you moved the servo too far you can steer the stick to the opposite direction and move the pitch slider a short way back. Also you can tap the stick briefly to only make minor adjustments. Once the correct endpoint has been found, don‘t move the rudder stick anymore and wait a second for the Status-LED to flash. This will indicate that the new position was stored. (If necessary you can change position as often as you want, but always wait until the Status-LED flashes when finished and proceeding to the next step!)<br />
To adjust the servo limits move the rudder stick in one direction until the servo reaches the maximum endpoint without any binding or stall. Release the rudder stick when correct position is reached. If you moved the servo too far you can steer the stick to the opposite direction and move the pitch slider a short way back. Also you can tap the stick briefly to only make minor adjustments. Once the correct endpoint has been found, don‘t move the rudder stick anymore and wait a second for the Status-LED to flash. This will indicate that the new position was stored. (If necessary you can change position as often as you want, but always wait until the Status-LED flashes when finished and proceeding to the next step!)<br />
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When both positions have been set skip to the next Menu Point F by pushing the button on the device briefly.
When both positions have been set skip to the next Menu Point F by pushing the button on the device briefly.
==SETUP MENU F - Rudder control direction==
==SETUP MENU F - Rudder control direction== <!--T:6-->
1. Move the rudder stick and check the rudder direction on the helicopter. If the stick is moving the servo into the wrong direction, '''use the servo reverse function of your transmitter and reverse the rudder channel to set stick control direction correctly.'''<br />
1. Move the rudder stick and check the rudder direction on the helicopter. If the stick is moving the servo into the wrong direction, '''use the servo reverse function of your transmitter and reverse the rudder channel to set stick control direction correctly.'''<br />
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=Setup with StudioX=
=Setup with StudioX= <!--T:7-->
To activate the rudder adjustments click the '''Adjust button''' in the corresponding table row (when using the '''Wizard''' function this will be done automatically when you click the '''Next button''' after adjusting Menu Point D).<br />
To activate the rudder adjustments click the '''Adjust button''' in the corresponding table row (when using the '''Wizard''' function this will be done automatically when you click the '''Next button''' after adjusting Menu Point D).<br />
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=Setup with StudioX=
=Setup with StudioX= <!--T:8-->
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=Extra info: Why setting stick endpoints?=
=Extra info: Why setting stick endpoints?= <!--T:9-->
This ensures that control range of the radio system matches the internal range of MICROBEAST PLUS. Later when setting the control style you can adjust how fast your helicopter should turn around the vertical axis. To get reproducable results you have to match your radio to the system!<br />
This ensures that control range of the radio system matches the internal range of MICROBEAST PLUS. Later when setting the control style you can adjust how fast your helicopter should turn around the vertical axis. To get reproducable results you have to match your radio to the system!<br />
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=Extra info: How the gyro works!=
=Extra info: How the gyro works!= <!--T:10-->
The gyro always tries to steer in the opposite direction of the rotation that is applied to the helicopter. If you move the helicopter by hand around its vertical axis, the gyro must actuate a rudder servo movement to compensate this rotation. If for example you move the nose of the helicopter to the left (tail moving to the right), the gyro has to steer right the same way as you would steer right with the rudder stick, so that the tail is pushed back to the left.}}
The gyro always tries to steer in the opposite direction of the rotation that is applied to the helicopter. If you move the helicopter by hand around its vertical axis, the gyro must actuate a rudder servo movement to compensate this rotation. If for example you move the nose of the helicopter to the left (tail moving to the right), the gyro has to steer right the same way as you would steer right with the rudder stick, so that the tail is pushed back to the left.}}
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