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 Post subject: Governor Setup
PostPosted: Tue 07. Jan 2020 22:18:07 
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Joined: Thu 28. Aug 2014 16:56:34
Posts: 32
Hi, I am about to setup the governor on my Goblin 380, and have a couple of questions.
Firstly, in the max head speed box, is this calculated using 3.7 v per cell, making 22.2 v for my 6 cell lipo?
Secondly regarding the gear ratio, my heli has a gear ratio of 5.45, but the Spirit software only goes to one decimal point.
I know this is only a small difference but it would be nice to have it as exact as possible.
Can this be addressed in a later firmware update?
Thanks, Eric.


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 Post subject: Re: Governor Setup
PostPosted: Fri 10. Jan 2020 22:44:45 
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Joined: Thu 28. Aug 2014 16:56:34
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Just a bump to see if I can get an answer at some stage.
Eric.


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 Post subject: Re: Governor Setup
PostPosted: Sat 11. Jan 2020 9:32:20 
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Joined: Mon 29. Apr 2013 16:06:44
Posts: 12210
Hi,

Max Head Speed is simply value you can get at 100% TC with governor disabled.

Yes, it is so small difference that RPM readout is way under the threshold. So it would make zero change in the behavior.

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 Post subject: Re: Governor Setup
PostPosted: Sat 11. Jan 2020 13:47:44 
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Joined: Thu 28. Aug 2014 16:56:34
Posts: 32
Thanks for the reply. Regarding the max headspeed figure, obviously one does not actually fly the heli at 100% throttle curve with no governor to see the max headspeed it can achieve!
So it must be a calculated value. Which brings me back to my original question, what cell voltage is used in this calculation?
I am assuming that it is 3.7v per cell, but would like to confirm before setting up the governor.
Thanks, Eric.


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 Post subject: Re: Governor Setup
PostPosted: Sat 11. Jan 2020 14:00:14 
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Joined: Wed 04. Jul 2018 18:03:55
Posts: 175
Castle creations use a nominal figure of 3.7v per lipo cell for their gov settings....


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 Post subject: Re: Governor Setup
PostPosted: Sat 11. Jan 2020 22:09:24 
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Joined: Thu 28. Aug 2014 16:56:34
Posts: 32
Thanks for the reply.
I think this must be it as 3.7v is usually what is called the nominal voltage.
I just wanted it confirmed by the man himself to be absolutely sure.
Eric.


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 Post subject: Re: Governor Setup
PostPosted: Sun 12. Jan 2020 9:46:23 
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Joined: Mon 29. Apr 2013 16:06:44
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Yes, it is true, because it should be the lowest average voltage during flight.

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 Post subject: Re: Governor Setup
PostPosted: Sun 12. Jan 2020 14:00:41 
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Joined: Thu 28. Aug 2014 16:56:34
Posts: 32
Great, I will use this value.
Thanks for the reply.
Eric.


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