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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › ar7210bx governor question
12-17-2017 04:25 AM  20 months ago
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motorrc

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ar7210bx governor question
I have a ar7210bx and ace rc 80 amp ESC and would like to use the governor function. I was wondering if I removed the white wire from the ESC three wire bundle (leaving the red and black wires alone) and plugging the white wire into Aux2 if this would work. Has anyone done this?
if it doesn't fit, make it fit.
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12-17-2017 07:16 PM  20 months ago
InvertedDude

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motorrc
I have a ar7210bx and ace rc 80 amp ESC and would like to use the governor function. I was wondering if I removed the white wire from the ESC three wire bundle (leaving the red and black wires alone) and plugging the white wire into Aux2 if this would work. Has anyone done this?
I have not done this. I see one problem. Why not use a Y harness and see if that works? The Radio RX needs the signal from the ESC.
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12-17-2017 07:48 PM  20 months ago
motorrc

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maybe the y harness would work-have you done this before?if it doesn't fit, make it fit.
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12-17-2017 08:25 PM  20 months ago
InvertedDude

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motorrc
First of all does the ESC have a build in Governor? Do you have magnets on the fan? There are certain things, but it is much easier to have a Governor built in the ESC.

I would suggest buying a Castle 90amp ESC. Governor function on this ESC is simple to operate without needing extra wire feed to your RX.

https://www.ebay.com/p/Castle-Creat...id=362122937714

I have 2 of these and it has the BEC pro 20 amps build into it. So simple to program...it powers my Align 600ESP, Raptor E620 and Quick UK Raptor Titan 50.
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12-17-2017 08:38 PM  20 months ago
Heli_Splatter

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I tried to look up your ESC without luck. I did find an ESC for ground vehicles. This function to support a governor must be part of both the FBL unit and the ESC. Castle and others can do this.

Check your documentation. I cannot find any on-line.
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12-18-2017 03:25 AM  20 months ago
motorrc

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Yes, a castle talon would work but I'm one of those guys who likes to use what he has if possible rather than spend more money on a new ESC and my perfectly fine ace ESC is collecting dust in a box somewhere. Also, the leads on my motor are not long enough to reach the talon sockets so I would have to fabricate some cables for that which is extra work. (world's smallest violin playing sad background music)

I do have the literature for the ace ESC and there is governor function on it, however, there is absolutely no information about how to set it up.
if it doesn't fit, make it fit.
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12-20-2017 04:38 PM  20 months ago
motorrc

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my ace ESC is a model 8065.if it doesn't fit, make it fit.
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12-20-2017 04:46 PM  20 months ago
Heli_Splatter

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Found ESC
I found the ESC on-line and was able to download the user manual. There is no governor function with this ESC. link to DL the manual is on the page.

http://stock.thundertiger.com/product/8065.html
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12-20-2017 04:53 PM  20 months ago
ssmith512

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motorrc...
I do have the literature for the ace ESC and there is governor function on it
According to this, I do not see a governor function or feature....

http://mms.tiger.tw/upload/2012-10/20121045827.pdf

Mr. Splatter beat me to it....
Steve
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12-20-2017 05:02 PM  20 months ago
Heli_Splatter

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Also, the ESC with a governor function will have at least four wires exiting the ESC.
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12-21-2017 07:29 PM  20 months ago
motorrc

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look under specification, third line from the bottom- "governor mode--Yes"

Although not well pictured, the ESC does have a three wire bundle that plugs into the throttle port on the receiver and an additional 2 wire bundle that I though might have some sort of a governor function. I would just try it on aux 2 of the ar7210 as a trial, but the voltage is battery voltage (22.8V 6S storage) and the ar7210bx can't take more that 8.5V.
if it doesn't fit, make it fit.
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12-21-2017 11:38 PM  20 months ago
Heli_Splatter

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The voltage coming off the ESC is 5V @ 3Amps according to the documentation.

I am not comfortable telling you how to hook the ESC up with the documentation available. I would think remaining wires would be signal wires and not carry voltage. You should also look at the receiver documentation for Governor setup information.

I would write to ThunderTiger for more information or hope someone else pops in here. Good Luck.

looking at other ESCs by same Manufr, I found this:
http://mms.tiger.tw/upload/upload_f...1-43-manual.pdf
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12-22-2017 12:00 AM  20 months ago
motorrc

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will do.

Thanks for the input.
if it doesn't fit, make it fit.
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12-22-2017 03:16 PM  20 months ago
motorrc

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I just heard from thunder tiger and this is what they said:

Hello again,
We contact our Technical Department and they reply 8065 CAN'T be governor mode.
The instruction manual is wrong, we'll revise it.
Thank you!

Regards,

So there is no governor mode on the esc. Still, I'm wondering if there is a way to use the esc as a sensor and use the governor mode on the ar7210, maybe by plugging the white wire into A2???
if it doesn't fit, make it fit.
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12-23-2017 05:32 PM  20 months ago
ticedoff8

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motorrc...
So there is no governor mode on the esc. Still, I'm wondering if there is a way to use the esc as a sensor and use the governor mode on the ar7210, maybe by plugging the white wire into A2???
The simple answer to your question is "No".
The "white wire" you seem fixated with is throttle servo lead from the receiver to the ESC (in your case, the AR7210bx is the receiver).
It is a standard servo signal of 1520mS pulse width and 150Hz refresh rate.
It is meant as an input signal to a standard servo (analog or digital) and cannot be "decoded" and used to generate RPM data for the governor.

However, there is a solution.
What you need is a "phase sensor" (AKA: Brushless Motor RPM Sensor) connected to two of the motor leads.
Your ESC has three leads (wires) that connect to the brushless motor.

A phase sensor (Brushless Motor RPM Sensor) connects to two of the motor leads and detects the pulses used to drive the brushless motor. It converts those motor pulses into a format that can be used as the RPM signal directly by your governor.

EagleTree is more-or-less the industry standard for the sensor.
http://www.eagletreesystems.com/ind...arch=brushless+
You can find them at almost every online Hobby Shop.
https://www.amainhobbies.com/eagle-...-brs-v2/p377403
Or...
https://www.amainhobbies.com/hobbyw...6060041/p453341

You simply solder two of the leads from the phase sensor to any two of the motor leads and plug the phase sensor into the governor port on the gyro.
+ > ÷
Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!
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12-24-2017 06:31 PM  20 months ago
motorrc

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thanks for the info.if it doesn't fit, make it fit.
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