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The Castle Creations ESC offer a special "External Governor" mode to be used with flybarless systems. This mode has an integrated soft start and autorotation bailout function. If your MICROBEAST PLUS/AR7210BX is updated to firmware version 4.2.x or higher you can use this mode, but it is required to disable the soft start feature of the device using the Expert Parameters section in the StudioX Software. '''Otherwise do not use this mode as by default MICROBEAST PLUS / AR7210BX will do all the motor control logic including initial soft start on its own!''' So, for this you have to setup the Castle ESC to a very simple throttle control mode which is offered by using the fixed wing "Airplane" mode as "Vehicle type" in combination with a very fast throttle response:

The Castle Creations ESC offer a special "External Governor" mode to be used with flybarless systems. This mode has an integrated soft start and autorotation bailout function. If your MICROBEAST PLUS/AR7210BX is updated to firmware version 4.2.x or higher you can use this mode, but it is required to disable the soft start feature of the device using the Expert Parameters section in the StudioX Software ([[#Using Firmware Version 4.2.x or higher and "External Governor" mode|see section below for further details]]). '''Otherwise do not use this mode as by default MICROBEAST PLUS / AR7210BX will do all the motor control logic including initial soft start on its own!''' So, for this you have to setup the Castle ESC to a very simple throttle control mode which is offered by using the fixed wing "Airplane" mode as "Vehicle type" in combination with a very fast throttle response:

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[[File:TXGovSetup 21.jpg|200px]]<br />

[[File:TXGovSetup 21.jpg|200px]]<br />

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That's it. '''Switch back to your normal mode (motor off!)''' and proceed with the following steps E, F, G, H as described in the MICROBEAST PLUS ProEdition manual. After exiting the menus you can do a little bench test. When switching to idle up the motor should start to run slowly, then after a short time of stabilization the rpm will increase more forceful (it is not unusual that without rotor blades or with main gear removed the motor may run erratic or the rpm may pump a little bit during spoolup because of the unloaded condition!). If it takes very long time (a few seconds) until the motor starts to initially run, you may readjust the throttle low point at Governor menu point B. Typically the distance between motor off and motor start position is too large then.  

That's it. '''Switch back to your normal mode (motor off!)''' and proceed with the following steps E, F, G, H as described in the MICROBEAST PLUS ProEdition manual. After exiting the menus you can do a little bench test. When switching to idle up the motor should start to run slowly, then after a short time of stabilization the rpm will increase more forceful (it is not unusual that without rotor blades or with main gear removed the motor may run erratic or the rpm may pump a little bit during spoolup because of the unloaded condition!). If it takes very long time (a few seconds) until the motor starts to initially run or if it doesn't start to run at all, you have to readjust the throttle low point at Governor menu point B. Typically the distance between motor off and motor start position is too large then and as the integrated RPM Governor will not increase the throttle without any limitation for safety reason, the actual motor starting point of the ESC will not be reached.

 

===Using Firmware Version 4.2.x or higher and "External Governor" mode===

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