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{{DISPLAYTITLE:FAQs and troubleshooting|noerror}}

{{DISPLAYTITLE:FAQs and troubleshooting|noerror}}

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==RPM Governor (AR7210BX)== <!--T:66-->

==RPM Governor (AR7210BX)== <!--T:66-->

===RPM Governor - What is this and what does it?===

===RPM Governor - What is this and what does it?=== <!--T:68-->

Using the governor function you can simply preset your head speed with the transmitter, i.e. when you like to fly your heli with 2500rpm, you set your throttle curve in idle 1 to straight 62.5% in the TX. Then you just place your heli on the flight field, switch to Idle1 and it'll autonomously will spool up the rotor rpm to 2500rpm. Then you can take off and fly and you will get 2500rpm all over the flight, no matter what load condition the battery is or if your nitro motor will run lean. The governor will try to hold these 2500rpm as good as possible. When rotor head load increases, it'll increase throttle as necessary, when you unload the head and the head speed increases due to aerodynamic force, it'll decrease the throttle automatically. Typically this is a lot better than only controlling the motor with static curves made in the transmitter. And next time, again you will get those 2500rpm when flying the next battery/fuel tank, although this battery might be old and voltage is slightly different or the nitro motor may run more rich or lean.<br />

Using the governor function you can simply preset your head speed with the transmitter, i.e. when you like to fly your heli with 2500rpm, you set your throttle curve in idle 1 to straight 62.5% in the TX. Then you just place your heli on the flight field, switch to Idle1 and it'll autonomously will spool up the rotor rpm to 2500rpm. Then you can take off and fly and you will get 2500rpm all over the flight, no matter what load condition the battery is or if your nitro motor will run lean. The governor will try to hold these 2500rpm as good as possible. When rotor head load increases, it'll increase throttle as necessary, when you unload the head and the head speed increases due to aerodynamic force, it'll decrease the throttle automatically. Typically this is a lot better than only controlling the motor with static curves made in the transmitter. And next time, again you will get those 2500rpm when flying the next battery/fuel tank, although this battery might be old and voltage is slightly different or the nitro motor may run more rich or lean.<br />

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===Is the RPM Governor function also available for AR7200BX / AR7300BX?=== <!--T:68-->

===Is the RPM Governor function also available for AR7200BX / AR7300BX?===

For the SPEKTRUM AR7200BX / AR7300BX there is a firmware with nitro governor functionality available (Version 4.0.14) which you can get by updating with the StudioX software.<br />

For the SPEKTRUM AR7200BX / AR7300BX there is a firmware with nitro governor functionality available (Version 4.0.14) which you can get by updating with the StudioX software.<br />

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