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{{DISPLAYTITLE:Headspeed governor|noerror}}
 
{{DISPLAYTITLE:Headspeed governor|noerror}}
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= What is this and what does it?=
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= What is this and what does it?= <!--T:2-->
 
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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=Nitro Governor - When enabling the governor or when recovering from an autorotation the throttle increases up to full throttle and stays there=
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=Nitro Governor - When enabling the governor or when recovering from an autorotation the throttle increases up to full throttle and stays there= <!--T:3-->
 
* Nitro helicopters react very sluggish during when initially opening the throttle. Especially when the clutch is worn out it can take a lot of time until the rotor gains head speed while the motor already runs at full speed, trying to spool up the rotor. Now when measuring the motor speed at the clutch, the governor will open throttle and stay at full speed as it detects the desired speed seems to be faster than the helicopter allows. So you need to prevent the throttle from opening too fast during spool up by decreasing the spool up rate (PARAMETER MENU point J) or quick change rate (PARAMETER MENU point K).
 
* Nitro helicopters react very sluggish during when initially opening the throttle. Especially when the clutch is worn out it can take a lot of time until the rotor gains head speed while the motor already runs at full speed, trying to spool up the rotor. Now when measuring the motor speed at the clutch, the governor will open throttle and stay at full speed as it detects the desired speed seems to be faster than the helicopter allows. So you need to prevent the throttle from opening too fast during spool up by decreasing the spool up rate (PARAMETER MENU point J) or quick change rate (PARAMETER MENU point K).
 
* Make sure the headspeed is set correctly in the radio and is not higher than the helicopter is able to turn. Always keep enough space for the governor to govern, meaning the headspeed should always be equal or lower 80% of the maximum speed.
 
* Make sure the headspeed is set correctly in the radio and is not higher than the helicopter is able to turn. Always keep enough space for the governor to govern, meaning the headspeed should always be equal or lower 80% of the maximum speed.
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=How to adjust Parameter menu point I ( Throttle response)=
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=How to adjust Parameter menu point I ( Throttle response)= <!--T:4-->
 
The setting of menu point I  determines how fast and hard the system will open or close the throttle when the rotor speed changes. With ideal throttle response you get a very consistent rotor head speed. When loading and unloading the rotor disc, the head speed should recover quickly and definite but not hectic.
 
The setting of menu point I  determines how fast and hard the system will open or close the throttle when the rotor speed changes. With ideal throttle response you get a very consistent rotor head speed. When loading and unloading the rotor disc, the head speed should recover quickly and definite but not hectic.
 
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