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360CFX Blade 360 CFX Helicopters Information and Help


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Old 12-17-2019, 09:03 AM   #1 (permalink)
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Default 360cfx 3s and mini tail servo

These tail issues are annoying ... some have said the H3060 servo is junk and should be replaced. So I'm thinking of trying that...

So ... it looks like a mini tail servo will fit on the 360cfx (there are holes that will line up and the servo mount can slide out enough to accommodate).

Current servo is Spektrum RC H3060 Sub-Micro Digital Metal Gear Tail Servo (https://www.amainhobbies.com/spektru...sh3060/p378149)

Was looking into KST DS565X (https://www.amainhobbies.com/kst-ds5...ds565x/p700422) but not sure it will work with the existing electronics.

1) looks like the KST only support 6v-8.4v ... any idea how much voltage the ESC (https://www.amainhobbies.com/blade-3...lh5052/p689975) is putting out? Could I measure it with multimeter? Not sure where to try to measure from, if so.

2) Any idea what the tail servo frequency of the stock FBL (https://www.amainhobbies.com/blade-3...lh5054/p689977) is? The KST = Working Frequency: 760us/560Hz Would that work with the stock FBL?
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Old 12-17-2019, 09:11 AM   #2 (permalink)
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You might consider the DS95i before moving up in size. My 6S 360CFX has never had any problem with the H3060 that's still on it but I'm running it with a Spirit FBL. I think your main problem might be the AR636 and not the servo if that's the FBL it's using.
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Old 12-17-2019, 09:28 AM   #3 (permalink)
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it is indeed the AR636. It has always had a tail wag since I bought it brand new. Just wags back and forth pretty fast ... It would certainly be easier to tune if I bought a different FBL since all you can do is perform the cumbersome stuff from the transmitter with the AR636.
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Old 12-17-2019, 11:37 AM   #4 (permalink)
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Well, I replaced my AR636 with a Spirit Pro and still have the tail wag! Even have it set up so I can adjust the tail gain while in flight with a knob, to no avail. I got a good improvement by tightening the slider busing, but wag is still there. I think the tail servo is where I will go next also. The Spirit is a great FBL, but not even it can solve this problem!
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Old 12-17-2019, 11:54 AM   #5 (permalink)
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The MKS DS95i (6v) or the HV93i (6-8.4v) would have the same issue needing to change to a 760us. They are a better fit, both being micros, but also a good more in costs. These are the best micro tail servos out there though.


Does anyone know if the newer 360s have rebranded HW or CC ESCs that someone with a program box or castlelink could change things in the ESC like BEC voltage, etc?
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Old 12-17-2019, 11:57 AM   #6 (permalink)
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Increasing the BEC voltage is a good idea. I've already swapped out stock ESC for a Castle.
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Old 12-17-2019, 11:58 AM   #7 (permalink)
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Quote:
Originally Posted by Low_Cal View Post
Well, I replaced my AR636 with a Spirit Pro and still have the tail wag! Even have it set up so I can adjust the tail gain while in flight with a knob, to no avail. I got a good improvement by tightening the slider busing, but wag is still there. I think the tail servo is where I will go next also. The Spirit is a great FBL, but not even it can solve this problem!
Have you completely broke the tail grips down. Pulled out the bearings, cleaned up and re-greased them, make sure they are oriented correctly, etc.?
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Old 12-17-2019, 12:05 PM   #8 (permalink)
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Quote:
Originally Posted by fiddle View Post
2) Any idea what the tail servo frequency of the stock FBL (https://www.amainhobbies.com/blade-3...lh5054/p689977) is? The KST = Working Frequency: 760us/560Hz Would that work with the stock FBL?
I looked this up when I switched to the Spirit Pro FBL. Stock tail servo frequency is 333Hz.
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Old 12-17-2019, 12:07 PM   #9 (permalink)
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Quote:
Originally Posted by jrman83 View Post
Have you completely broke the tail grips down. Pulled out the bearings, cleaned up and re-greased them, make sure they are oriented correctly, etc.?
Nope! But that is a great idea. I might even replace the bearings with some I know are top quality.
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Old 12-17-2019, 12:41 PM   #10 (permalink)
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Quote:
Originally Posted by Low_Cal View Post
I looked this up when I switched to the Spirit Pro FBL. Stock tail servo frequency is 333Hz.

I think the 760us is more important? If the FBL sends 1520us and the servo needs 760us ... won't that quickly lead to a burnt out servo?


EDIT: I should say that I'm not really going to replace all of the electronics on this thing .. I'll just put up with the tail wag before I do that. I've got an oxy 4 max to fly also ... 230s v2 isn't bad either
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Old 12-17-2019, 12:52 PM   #11 (permalink)
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Here is the rudder tuning guide for the Spirit if you haven't tried them all:

Tuning Guide - Spirit System Manual

If it is something mechanical like jrman mentioned then of course it will do no good. I wonder what is different between the 3S and older 6S version.
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Old 12-17-2019, 02:25 PM   #12 (permalink)
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Quote:
Originally Posted by BrokeDad View Post
I wonder what is different between the 3S and older 6S version.
That's exactly what I'm wondering! Seems nearly ever 3S has this problem, but few if any of the 6S versions.
Edit: I wonder if the tail rotor turns too slow on 3S? You would think that Eflite would have compensated for 3s with a different gear ratio.
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Old 12-17-2019, 02:30 PM   #13 (permalink)
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Quote:
Originally Posted by fiddle View Post
I think the 760us is more important? If the FBL sends 1520us and the servo needs 760us ... won't that quickly lead to a burnt out servo?


EDIT: I should say that I'm not really going to replace all of the electronics on this thing .. I'll just put up with the tail wag before I do that. I've got an oxy 4 max to fly also ... 230s v2 isn't bad either
No, sending a slower pulse won't bother the faster servo at all, it just won't work to its potential.

If you go to a Spirit, you can set both parameters to what they should be.
I've actually replaced all of the electronics in my 360cfx, except that tail servo. Since its the only piece left, I think I'll swap it out and see what happens. If that doesn't fix it, it has to be something mechanical. If you don't want to keep dumping money into yours, you could wait and see what happens with mine.
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Old 12-17-2019, 03:03 PM   #14 (permalink)
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Quote:
Originally Posted by Low_Cal View Post
No, sending a slower pulse won't bother the faster servo at all, it just won't work to its potential.

If you go to a Spirit, you can set both parameters to what they should be.
I've actually replaced all of the electronics in my 360cfx, except that tail servo. Since its the only piece left, I think I'll swap it out and see what happens. If that doesn't fix it, it has to be something mechanical. If you don't want to keep dumping money into yours, you could wait and see what happens with mine.

I probably will wait since its all cold and snowy butt around here for the next couple months.
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Old 12-17-2019, 06:44 PM   #15 (permalink)
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I probably will wait since its all cold and snowy butt around here for the next couple months.
Same weather here - 11 deg F at my house this morning! I was skiing Sunday. But it will warm up a bit the next few days.
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Old 12-18-2019, 04:41 AM   #16 (permalink)
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Quote:
Originally Posted by Low_Cal View Post
No, sending a slower pulse won't bother the faster servo at all, it just won't work to its potential.

So if you were to send 760us to a 1520us servo, thats when the burn out would occur? same as if you set 560hz on a 333hz servo?
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Old 12-18-2019, 12:49 PM   #17 (permalink)
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Dont Mind about the H3060 Servo. I run it in both my Blade Trio 360cfx, no Tail wag and perfect still Tail at any RPM. Even when changing RPM in Fligt, without changing Gyro Rate, no wag at all.
I run the stock Blades with stock Twoblade Head at 2800RPM as well as a Threeblade Head with semi-symetric Scale Spinblades and 2240RPM - no Tail issues at all.

AR636 provides Telemetry. It does send the BEC Voltage to Your Transmitter, You should see it on Your Screen.

Dont go for the Castle ESC. The Talon 35 is known for stopping Motor in Flight with no Reason at all. I changed in both Helis to YGE 35 LVT. Never had any issues again after.
BEC Volatage of YGE ESC is adjustable. I run 5,5V.
My FBL is AR7210BX, Settings for the H3060 Tail servo is 333Hz, 1520uS.

Last, i love the AR636 FBL/RX in any direct Tail Heli Modell. But i consider it to be not able to handle a pitch Tail Helicopter Modell smooth. I shure can set up the AR636 Gain PID`s for Tail, since i modded my Blade 230S for Fenestron and NOTAR Tail Systems in my Scale Modells. But i refused to the Blade Helis with Pitch-Tail and AR636 since no One reported them to perform fine. So i decidet to go for the Trio 360 with AR7210BX and Upgradet to Pro V5. I dont regret.
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Old 12-18-2019, 01:19 PM   #18 (permalink)
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Originally Posted by The_Fox View Post
Dont go for the Castle ESC. The Talon 35 is known for stopping Motor in Flight with no Reason at all. I changed in both Helis to YGE 35 LVT. Never had any issues again after.
Been there, done that! Stock 360CFX ESC did that to me a couple times, so I switched out to an over-built Talon 60, which did the same [email protected] thing! Reprogrammed the Talon 60 to turn off over-current sensing, no more shut downs. Stripped one or two servos with each shutdown, so I upgraded those to KST's.
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Old 12-18-2019, 02:32 PM   #19 (permalink)
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Originally Posted by The_Fox View Post
Last, i love the AR636 FBL/RX in any direct Tail Heli Modell. But i consider it to be not able to handle a pitch Tail Helicopter Modell smooth. I shure can set up the AR636 Gain PID`s for Tail, since i modded my Blade 230S for Fenestron and NOTAR Tail Systems in my Scale Modells. But i refused to the Blade Helis with Pitch-Tail and AR636 since no One reported them to perform fine. So i decidet to go for the Trio 360 with AR7210BX and Upgradet to Pro V5. I dont regret.

So my problem isn't the H3060, its the AR636 (or mechanical)?
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Old 12-19-2019, 12:41 PM   #20 (permalink)
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Quote:
So my problem isn't the H3060, its the AR636 (or mechanical)?
I guess its the AR636. A japanese modeller witch i call a friend, very skilled in building and flying, just bought a brandnew 360cfx 3S. Imediately he told me about tail wag - and did not solved. No mecanical issue, he would have solved easy if it was mecanical.

H3060 performes fine in Trio 360cfx (AR7210) and in Blade 270 6S. And some other Blade Helis aswell. Only those with AR636 are reported to have tail wag issues.
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