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YGE YGE ESC Support and Discussion


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Old 06-11-2012, 12:49 PM   #1
shein95
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Default turning off governor

i'm in the process of chasing a tail wag so i wanted to do a few flights without the governor on. i've turned it off in the vbar and just went to flat curves but will i need to reprogram the esc to turn off gov mode internally or just fly?
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Old 06-11-2012, 01:44 PM   #2
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I would have said just fly as it should not be in gov store if you've been using external gov.


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Old 06-11-2012, 03:57 PM   #3
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If you have been using the vbar gov and it's been working then just a flat curve will be fine.
However, the way you asked the question about turning off governor mode internally in the esc makes me want to think perhaps you have not programmed it correctly to work with the vbar gov.
Part of setting up the esc to work with an external gov, involves turning GOV OFF 3 TIMES on the esc and setting it to Plane fast or Plane middle.

If you did not do this, then definately some pulsing of power going on that could cause a tail wag.
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Old 06-11-2012, 04:07 PM   #4
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It is set up on the external mode with plane fast/plane fast and the special beeps from gov offx3. i just didn't know if i needed to take it off of the gov offx3 and just turn it normal off. its a pain to get to the leads to plug the programmer in where i have the main unit on the 550 and was trying to avoid doing so if possible. i've just been chasing this down ever since i changed the tail ratio to a faster ratio to get better hold but if start backing gain down on the tail to get rid of wag the tail blows out. just want to fly it with a flat throttle to at least eliminate the governor as the problem. i'm not getting the crazy tail chatter when unloading the rotor disc at the top of a climb that i'm used to seeing when the gov gain is too high so i doubt its the issue but i'm running out of ideas.
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Old 06-11-2012, 04:11 PM   #5
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Ok, so you're good then.
Technically if you turn governor off in the vbar then it should be fine with the flat curve in the radio.
Just watch out though, because you won't have any soft start functionality and headspeed change rate will be instant.
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Old 06-11-2012, 04:28 PM   #6
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so, no soft start at all? thats kinda scary.
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Old 06-11-2012, 05:00 PM   #7
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That is scary, i was going to turn my skookum gov off and run @ 100 flat to tach to find my sweet spot for gov, might need to grease those gears up now
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Old 06-11-2012, 06:07 PM   #8
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Well the start up wasn't too bad but the hs change was abrupt, been so long since I've run non governor that I forgot. Well, several of the helis bad habits went away with governor turned off but with a 90% flat curve which sounded pretty close to the head speed I've been running the heli felt like a sluggish pig, punch outs were flat and bogged a lot more than with governed. How do you tell when governor gain is too low, I guess the gain is causing the wag but I'm struggling to het it set right. Not acting too high with the chatter but it acts better turned off. I'm stumped. Oh, heathy, don't forget to turn gov off on all banks, I didn't, switched banks and motor turned off instead of going back to governor mode. Nice auto into some 3 foot brush.
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Old 06-11-2012, 06:26 PM   #9
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You mentioned you set it up for plane fast/plane fast, that's why the startup is so abrupt. I use heli middle/plane fast so at least the spool up is smoother with the external gov.

I always tell the people here locally when setting up the machine for the first time to run with the internal gov or even better with the gov disabled and just a flat curve. This way you don't have the external gov interaction. I think you'd be best off taking the time to get to the program wire and set it up with gov off and go back to the basics of getting the gyro gains optimized first.
Then work on the gov later.
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Old 06-11-2012, 07:00 PM   #10
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About the heli middle/plane fast, that's how I had it set when I first installed the yge but with blades off and running up to speed the throttle position only looked around 50% or a little more and I was under the impression that if you don't get to 70-75% that the yge won't hand control over to plane fast and that is why I have it the way I do now. The start up on governor is actually pretty nice, very minor kick. The issues only really showed up since I changed the tail ratio and main gearing to the mod1 slant gear. I am going to give it a few days of flying with gov off to see if it works better on a proper flight in several wind conditions to compare the difference. I really miss the pop I get with the governor though, almost smacked the ground pulling out of a dive because she didn't have the grunt she did before.
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Old 06-14-2012, 04:52 PM   #11
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If using the external gov mode you set the startup speed, then gov off three times, and then the response speed once spooled up. You do still get soft start.

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Old 06-15-2012, 12:49 PM   #12
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Quote:
Originally Posted by Steve Evans View Post
If using the external gov mode you set the startup speed, then gov off three times, and then the response speed once spooled up. You do still get soft start.

Steve
with the vbar gov turned on it spools up great but with it turned off there is no soft start at all.
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Old 06-15-2012, 03:50 PM   #13
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You're both correct in your points.

With the YGE set in external gov mode as Steve explains if you set Heli Middle/Plane fast then you will get a soft start at the first spoolup until the YGE hands over to Plane fast mode. This will work even with the vbar gov turned off because it is in the hands of the esc.

shein95, in your situation I said you would have no soft start at all as you have seen because yousaid you have it programmed as Plane Fast/Plane Fast and then Vbar Gov turned off. in this case it starts off in Plane fast right away.
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Old 06-15-2012, 03:59 PM   #14
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it's time to start beating my head against the wall again. flew it in extremely windy conditions today when it would act its worse before and it was fine. hard crosswind in hover would give a little wag but to me thats normal but the fff and into the wind she worked good. so the heli is pretty solid, now to start messing with the governor again. i love the power the governor gives but gotta work out the settings to make the tail work on governor mode.
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Old 06-15-2012, 04:47 PM   #15
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Quote:
Originally Posted by shein95 View Post
it's time to start beating my head against the wall again. flew it in extremely windy conditions today when it would act its worse before and it was fine. hard crosswind in hover would give a little wag but to me thats normal but the fff and into the wind she worked good. so the heli is pretty solid, now to start messing with the governor again. i love the power the governor gives but gotta work out the settings to make the tail work on governor mode.
It's funny you say that because mine was a piece of cake to tune on both the Goblin and Logo. Make sure your gearing is in the correct range for the YGE to be operating in the 70-85% range.
Also start fresh in the vbar by hitting the reset gov button in the setup mode so it wipes all the parameters clean.
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Old 06-15-2012, 05:22 PM   #16
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It used to work pretty good when I first set it up. It all seemed to go down the drain when I switched the tail and main ratio. I corrected the gear ratio in the vbar but I don't really now where I am on throttle position on the yge. It used to be appx 3/4 the way up the bar when at speed with blades off but that was the old ratio. I'm sure with blades it runs a little higher throttle to compensate for the mass of the blades I really can't afford the blue tooth set up right now to get real time.
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Old 06-15-2012, 06:52 PM   #17
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You really should be calculating the headspeed according to MrMel's calculator and aiming for that gearing. In the vbar gov you should also enter the headspeed you want and then just run a 100% throttle curve to get that speed.
If you changes the gearing and things went bad, then likely it's not running an ideal ratio for the headspeed your looking for.
If you want to share your motor, gear and pinion setup maybe it can shed some light.
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Old 06-15-2012, 07:04 PM   #18
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I used the calculator but the new ratio is a little higher than the old. I was using the 170/16 combo but running 112/11 now. Running the 600mx 1225 motor on gens ace 30c which do cause the tail to blow out more than my junk zippy 30c. I have the head speed set for 2250-2300. Was 2250 most the time before but bumped it to 2300 to run out the slightly taller gear some.
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Old 06-15-2012, 08:44 PM   #19
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Well, looks like 2300 is the sweet spot for that setup so you're good there.
6 pole motor so you enter 3 for the pole count and 10.18 for the gear ratio
Also, as I mentioned, enter 2300 as the max headspeed and just run a flat 100 curve for your idle 2 and something like 97 or so if you want a lower headspeed for idle 1

I assume you watched the Mr.Mel videos to calibrate the low and high points to match the esc so you get proper throttle resolution. Huge impact in getting these right.
You have to make sure the motor starts immediately on the low end and that the esc light goes off on the high end.
None of this matters though if you improperly programmed the stop and full points of the esc with the prog card.
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Old 06-15-2012, 10:07 PM   #20
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yeah, its set at 2300 on 3 pole with a 10.182 ratio. the flip out of hold is as far as i can go without getting the delay and the light goes off at full. motor off is set at -104 and max is 94. i'm pretty sure i set the endpoints right. throttle at 0% then click off on the card and 100% and click full right? i hope. it's been a while since i did the original set up on the esc and gov.As far as the throttle curves i'm taking off on 94 flat, 97 flat to cruise and 100 for full head speed and 40% on th to get the bail out to work and have the idle on. everything seems to be set up properly and used to work like a champ, thats why i'm so confused as the why i'm having the issues now.

i'm turning the gov back on now and going to play around with the gain settings and try to take it out for a few flights tomorrow. its not terrible to fly its just not right. to make it behave i have to be pretty aware of pitch management or the tail kicks out. i know that the chatter/jackhammer or whatever you want to call it is the sign of too high gov gain but what do i look for to make sure i didn't go too low on the gain

i attached the vbar file that i'm trying tomorrow. i'm seriously wanted to sell this thing and start over on a logo 500,
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File Type: vbr 550.vbr (5.5 KB, 16 views)
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