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ESC › YGE 160hv jerking on spool up
07-06-2017 01:04 AM  77 days agoPost 1
honda411

rrKey Veteran

Surprise, AZ USA

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So I just setup my yge esc. In normal mode at certain throttle points when spooling up, it gives a sudden surge of power and the heli will jerk to the left ( counter rotation of the blades).
Can't figure it out. Linear 0-100 throttle curve.
Idle 1 is 66 percent flat curve
Idle 2 is 77 percent flat curve.

Another thing is I can get high head speed when I switch to the idle 1&2 positions first time around. If I land and spool up again it won't reach those head speeds I want. Can't figure it out.

I did the throttle calibration according to mr Mel's videos and not the way yge says to do it on the program 3 card.
And it seems that on idle 2 even at 77 percent seems really high. I calibrated my throttle like mr Mel said to in his videos with normal mode 0-100

HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades

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07-06-2017 08:00 AM  77 days agoPost 2
Heli Fanatix

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Fountain Valley, CA

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- set spool up to "AUTO"

- Scott

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07-06-2017 02:16 PM  76 days agoPost 3
honda411

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Surprise, AZ USA

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Yeah I changed that to make sure and it's terrible. Originally it was 2% and changed to the auto mode.

HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades

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07-06-2017 10:20 PM  76 days agoPost 4
Heli Fanatix

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Fountain Valley, CA

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do this first:
- if you are using Spektrum
- I suspect one of your SAT
- try u plugging one than the other and see if it helps

- Scott

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07-07-2017 03:36 AM  76 days agoPost 5
honda411

rrKey Veteran

Surprise, AZ USA

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Sorry Scott. I should have mentioned I'm using a Futaba sbus setup. The option wire has a home made jumper at the end since I won't be using on vbar for now. I did plug the esc throttle side into channel 3 on the rx port.
I'm running the scorpion 4525-520 motor on 12s. I may try to just always run it in the gov store mode and see what happens.
Current settings on prog card 3 is as follows.
Timing-18
Brake-off
Lipo cutoff at 3.1v
12s
Did throttle cal according to me Mel's video. Not the yge program card way.
Gov w/ active freewheel on
P-gain- 1.4
I-gain- 0.06
Startup speed- heli slow. No change from middle to slow.
Pwm- 10khz
Startup power -auto. Tried it at 2% with no change

EDIT Update:
So I played with it some more. I first changed it back over to gov store mode. And then calibrated the throttle according to the program card. I took the blades off and did my 0-100 throttle curve and went full throttle for about 20 seconds maybe more.
It was only about 500 rpm. Super slow. This was also with the jumper cable attached to the end of the original "vbar gov end" where the middle wire is redone.
I took the jumper off and the rpm went straight up. With that said, I put the jumper back onto the esc opto cable end.

Hang in there! The esc opto cable had an extension with the "vbar gov wire" fix since the esc is in the rear of the frame.
So I just reattached the jumper closer to the esc on the actual 3 wire servo lead coming out of the esc itself.
It only jerks on spool up about 1/4 throttle and then spools up fine. Rotor rpm seems stable during hover in all flight modes. I'll fly it harder tomorrow.

It does jerk quite hard going into idle up 1&2 from normal mode. Not like the castle esc that makes a smooth transition.

Is the jumper okay on the end of the opto servo lead coming from the esc? I don't want to burn it up

HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades

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07-07-2017 05:14 AM  76 days agoPost 6
Heli Fanatix

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Fountain Valley, CA

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Try with GOV Off and run linear mode

If not resolve .... Let's do the basic

Is your motor good
- is the motor mounting bolts touching the windings
- the winding itself good?
- test with voltmeter to see if it's shorting

Is your ESC known good?
- test with another ESC to make sure it's not the ESC
- if ESC is good, try another motor

RX
- do you have another RX to try to test it?

* this is why I have some many items, troubleshoot and pinpointing things.

- Scott

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07-07-2017 05:26 AM  76 days agoPost 7
honda411

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Surprise, AZ USA

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I edited the above post. Check it out.

To clear up the paragraph, the opto cable had a servo extension for the vbar that was in it before. I am running the beastx now. The vbar gov wire fix was in the servo extension part. This will help clear up the above paragraph I edited

HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades

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07-07-2017 06:15 PM  75 days agoPost 8
EEngineer

rrProfessor

TX

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Try a Kontronik ESC?.....

Logo 600SXs, 700XX, 800XX

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07-07-2017 07:36 PM  75 days agoPost 9
honda411

rrKey Veteran

Surprise, AZ USA

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Haha want to trade?

HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades

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07-07-2017 09:17 PM  75 days agoPost 10
EEngineer

rrProfessor

TX

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I'll pass.....

Got hooked on Kontronik ESCs when ReadyHeli used to "bundle" them with the Logo 600SXs....way back when.

So easy to program(Mode 1 then 4), dual lead internal SBEC that's super, and it's internal governor works great with minimal hassle....in addition to it's robust mechanical package.

Never really understood why Mikado parted company with Kontronik and went with YGE...

Perhaps the "MrMel" videos might be of help to you.....

Logo 600SXs, 700XX, 800XX

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07-08-2017 12:31 AM  75 days agoPost 11
honda411

rrKey Veteran

Surprise, AZ USA

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I did follow mr Mel's videos as for gov store and throttle calibration but it didn't work for mine. Maybe it's a v5 and the v4 has a different beep sequence.

HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades

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07-08-2017 12:58 AM  75 days agoPost 12
EEngineer

rrProfessor

TX

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Wish I could help....It's gotta be something simple.

Logo 600SXs, 700XX, 800XX

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07-08-2017 12:41 PM  74 days agoPost 13
learnedthehrdwy

rrNovice

Saginaw, MI

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Kinda got lost while reading but are you using a linear thro curve with the governor enabled? In gov mode I think it expects to see a flat throttle curve. I use YGE and gov store mode on everything with flat thro curves. Always use TH to stop and start the motor and they've all spooled up nice and smooth. Linear thro curve defeats the purpose of a governor since the whole point is to keep a steady headspeed throughout the flight.

If you already turned the gov off and the problem remained, playing with the gains might help. Try a lower P gain and see if that makes a difference. All my birds ended up with I gain higher than P but I start low and work my way up.

Sounds like too much P and not enough I.

MSH P380/Lynx'd Mini Protos×3/Chase 360/Trex 450/180cfx/230s/SK540's,YGE,MKS,KST, Xnova,Scorpion,Switch,RJX/UMX Pitts/Valiant 1.3/RochobbyMX

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07-10-2017 04:36 PM  72 days agoPost 14
honda411

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Surprise, AZ USA

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The issues I have been dealing with are pretty much resolved. Normal mode is a linear 0-100% curve. 1&2 are set at 67 and 77 flat. The head speed holds the entire flight now and I'm running in gov store mode.
The only complaint I have is that it kicks up the head speed so hard changing from normal to stunt mode. I'm afraid it will eventually strip the main gear. And also if I flip from hold to my flight modes again it kicks in hard. Any way to lower that down?
The kicking in the spool up is almost gone. It does one kick initially then spools up smoothly.

HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades

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07-10-2017 04:58 PM  72 days agoPost 15
EEngineer

rrProfessor

TX

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Try matching your normal throttle curve to that of "stunt 1 and 2".

Sounds like when you switch form normal...you're throttle curve is at a point way below the 67% point of "stunt 1".

Also, are use using "soft start"?

On my Kons, my spoolup rate is slow....like 10 secs....

I got tired of fiddling with throttle curves....have had similar problems as you just described.

Am now using a flat curve(internal gov) even at normal mode.....then I only fiddle with the pitch curve...less hassle....

I think you're pretty close to what you want now....

Logo 600SXs, 700XX, 800XX

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07-11-2017 07:06 AM  72 days agoPost 16
honda411

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Surprise, AZ USA

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Yeah I think your right. I will try to curve it some to match the stunt 1 mode since it doesn't kick too hard from stunt 1 to stunt 2. I'll keep playing with it.
And yeah I have the setting on the slowest startup speed

HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades

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07-11-2017 04:36 PM  71 days agoPost 17
EEngineer

rrProfessor

TX

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I always had the pitch jump from normal to stunt....

Got tired of it and switched to a flat throttle curve in normal.

Seemed to work better for me.....

Just not sure if it's dependent upon the ESC type....been using Kons and have nothing else to compare to....

Logo 600SXs, 700XX, 800XX

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07-12-2017 12:05 PM  70 days agoPost 18
plakkertje

rrApprentice

belgium

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Erc

Is it an yge 160 mikado version?
If so you can not change settings,
If you do, like i did with prog card, you have to send it to yge because you mess it up.
I had to send it because it did not get me de requested headspeeds on an extreem

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07-12-2017 02:55 PM  70 days agoPost 19
learnedthehrdwy

rrNovice

Saginaw, MI

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With the normal curve going to 100% who knows where it's at when you're changing flight modes to 67%.

Agree with EE and think more of a flat curve will eliminate your issue. For a normal type mode when using a gov you just start it with a 0 then go flat from there. 0-60-60-60-60 for example.

Nowadays I just go with all flat curves. Take off, land, Sunday morning cruising and slow smooth 3d with norm at 65% flat. FFF and more aggressive 3d at 75% flat/IU1, and have IU2/80% flat for speed runs and windy days.

If it's windy out I'll even land in IU1 or 2 so having to start/stop the motor with TH in all 3 flight modes keeps things simple. That way if I land in IU2 due to wind I'm not pile driving it into the ground with negative pitch trying to kill the throttle by dropping the stick.

Now that I've got used to flat curves a linear one actually feels horrible. So much harder to precisely maintain altitude with throttle and pitch fluctuating at the same time than it is with throttle steady and only pitch fluctuating. Huge difference.

Used a linear curve to take off and land for a long time despite a friend recommending me trying a gov with flat curves. He actually bought me a esc so I would try it. Took a little bit to get used to but now I wouldn't go back if you paid me lol.

MSH P380/Lynx'd Mini Protos×3/Chase 360/Trex 450/180cfx/230s/SK540's,YGE,MKS,KST, Xnova,Scorpion,Switch,RJX/UMX Pitts/Valiant 1.3/RochobbyMX

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ESC › YGE 160hv jerking on spool up
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