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HomeAircraftHelicopterHelicopter Main Discussion › Newb... advice on not using Governor on esc and fbl?
06-25-2018 01:59 PM  3 months agoPost 1
gadzooks

rrApprentice

great briton,london

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had a basic small heli for some time and only at basic hover .
Just got a decent small FBL heli with a Spartan fbl.
my first heli had no gov so it spooled up slow and got light on skids and I had control .
This new heli spools up slow at 40% throttle then goes crazy fast.
At this stage I would like to hover like my previous with no gov.
Is it a bad idea to disable the gov in the esc and fbl and to set the throttle curve and pitch like my previous?
Any advice would be great please as not knowledgably on fbl setup and helis

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06-25-2018 02:23 PM  3 months agoPost 2
rcflyerheli

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Granbury, TX USA

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You can do that, but what I am assuming is that you are just running some kind of linear throttle curve coupled collective pitch on your heli. I feel that you are just making things harder on yourself by varying both the throttle and the pitch while you are learning or trying to hover.

Your governor is not what controls the spoolup rate on your heli, it's the ESC programming. Whether you run a governor or just throttle curves in your radio, the spoolup speed is determined by the ESC itself. Governor just keeps the headspeed constant after the spoolup is completed.

Goblin 700, Trex 700DFC, Gaui X7, Logo 690SX, Logo 600SX; Trex 470 Trex 500
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06-25-2018 03:02 PM  3 months agoPost 3
Andy from Sandy

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Bedfordshire, UK

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When I first started with nitro helicopters it was a real pain during those early non governed days and to some extent incorrect throttle curve trying to learn to hover with the head speed dropping with the collective.

Do yourself a favour, especially on an electric model and use the governor to keep the head speed constant. The ESC will take of the spool up and most are programmable for time to spool up so you don't have any surprises.

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06-25-2018 04:17 PM  3 months agoPost 4
BeltFedBrowning

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Kansas City

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I fly electric, nitro and gas helis. I don't use a gov on any of them. I tried governors on my gas helis and I got tired of fiddeling with the settings. In my book, simpler is better.

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06-25-2018 04:22 PM  3 months agoPost 5
InvertedDude

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USA

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BeltFedBrowning
I agree with this guy! I don't fly governors, I may use it for electric for longer flight times. I am debating rather I put a gov on my nitro NX7....still pondering if it is worth it?

I find rev-limit more functional.

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06-25-2018 06:30 PM  3 months agoPost 6
Ladymagic

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South Korea

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gadzooks
This new heli spools up slow at 40% throttle then goes crazy fast.
It sounds like your ESC is already set for a soft start, but either your throttle curve or your ESC's governor is set pretty high.

Even through "crazy fast" is relative, it would be smart to look at your throttle curve and your gov setting to get actual values and adjust it down from there. "Crazy fast" to me sounds like you are probably running at or close to 90%-100% (a lot of pilots like to run a flat 100%). I would drop it to 70%-75% in hover mode for a novice. That should tame it down some until you get used those higher head speeds.

What ESC and Tx are you running? Maybe we could help you check your settings here.

Mellisa

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06-25-2018 06:45 PM  3 months agoPost 7
JuanRodriguez

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The Villages, Florida

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InvertedDude
I don't fly governors, I may use it for electric for longer flight times.
Can you enlighten me as to how running a governor on an electric (or nitro for that matter) would yield you longer flight times ??

Always willing to learn something new.....

Been there, done that and old enough to know better.....

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06-25-2018 07:00 PM  3 months agoPost 8
gadzooks

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great briton,london

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In case it helps ,the ESC is a HW25a Platinum and TX is a JR DSX9.
What gets me is the nothing throttle wise happens until just below mid stick then the slowish spool up and high head speed.
Luckily I had no blades fitted!

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06-25-2018 07:20 PM  3 months agoPost 9
Ivan

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Wichita

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BeltFedBrowning
I got tired of fiddeling with the settings. In my book, simpler is better.
When I ran governors on nitro helis, it was more an augumenter than a governor. It was typical for a magnet to fall out or a sensor to come undone and then you had to rely on properly set pitch curves. The governors did a really good job at keeping the head speed constant through more demanding collective movements.

Personally, I can't see a reason not to run a governed esc as a three phase output is already somewhat governed as the motor will naturally try to match the output frequency. A feedback loop would only make that more effective.

Now...who still runs revo mix?

Back to it!

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06-25-2018 08:12 PM  3 months agoPost 10
JuanRodriguez

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The Villages, Florida

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I'm thinking you may need to lower the governed head speed.....

And perhaps , find someone local who is experienced that can give you a hand setting things up.....

PS--

Also, you don't describe the heli you have. And what does "crazy fast" mean ?? ....

The smaller 450 size helis tend to run a pretty high head speed. I can recall my first 450 when I first spooled it up..... my reaction was "HOLY CRAP" !!! But that's the way those little guys run....

Been there, done that and old enough to know better.....

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06-26-2018 12:00 AM  3 months agoPost 11
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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JuanRodriguez
Can you enlighten me as to how running a governor on an electric (or nitro for that matter) would yield you longer flight times ??

Always willing to learn something new.....
Very good point!

Power is volts per amps
Power is torque per rpm

Flying electric with Governor is the best way to fly more time.

Esc manages amps in Governor mode. So Voltage drop means more amps coming out esc, maintaining constant rpm.
Esc in this behavior, manage more efficiently energy from battery.

The key is to observe voltage drop, taking care of lipo limits.

Glow is another matter...

/

Saludos cordiales,

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06-26-2018 02:53 AM  89 days agoPost 12
adh1000

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coral springs,florida.usa

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gadzooks
What gets me is the nothing throttle wise happens until just below mid stick then the slowish spool up and high head speed.
Luckily I had no blades fitted!
sounds like you don't have the governor set correctly , there must be videos on you tube of how to set the gov on the spartan , i don't know anything about that fbl unit but if bert kammera endorses it , its probably good. as had been said before the governor is there to keep the headspeed once it has been reached which if i'm understanding correctly , getting to the headspeed is a lot quicker than you would like and can be a bit scary till you get used to it, its even more scary if its stuck at 100% which is very likely if its not set correctly . but gov is the way to go , it means that hovering will be the same from the beginning of the flight right up till you land making things more predictable , i understand that there is a learning curve when setting up the gov but get help if you can and videos if you can't its worth it , in my opinion anyway
Anthony

logo 480 , ikon
oxy 3 , ikon
Gaui x5 ,(?)
logo 550sx ,v bar

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06-26-2018 01:37 PM  89 days agoPost 13
Richardmid1

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Leeds, England

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gadzooks
In case it helps ,the ESC is a HW25a Platinum and TX is a JR DSX9.
What gets me is the nothing throttle wise happens until just below mid stick then the slowish spool up and high head speed.
Luckily I had no blades fitted!
It sounds like you need to calibrate the throttle, your throttle curve may only be at 50% while your spooling up but the ESC could be reading it as 100%! Do you have the manual for the ESC? Usually (don't try this till you have checked in the manual), you power up the ESC with the throttle stick at full throttle (make sure your normal throttle curve is linear 0-100) and wait for the conformation beeps then lower the throttle and wait for the conformation beeps again.

The governor on that ESC simply works off your throttle curve so you want your normal throttle curve to look like this... 0-60-60-60-60. If the head speed is still too fast at that throttle curve then you need a smaller motor pinion or run a slightly lower voltage battery (5s instead of 6s etc.). If the head speed is now too slow at that throttle curve (0-60-60-60-60) then simply increase points 1 to 5 in 5% increments and retry.

Obviously you can simply turn the governor off but again you need to consult the ESC manual to do that.

60% of the time, it works every time!

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06-26-2018 01:43 PM  89 days agoPost 14
Richardmid1

rrProfessor

Leeds, England

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...sorry, if it's a V4 Platinum ESC, you need the programming box or WiFi module to program it!

60% of the time, it works every time!

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06-26-2018 01:49 PM  89 days agoPost 15
Richardmid1

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Leeds, England

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Watch at YouTube

60% of the time, it works every time!

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06-26-2018 02:17 PM  89 days agoPost 16
Ladymagic

rrKey Veteran

South Korea

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Have you had any success using the advice given to you thus far? Your problem seems as though it can be solved by simply making a few tweaks in your throttle curve menu. I hope you've solved it.

Mellisa

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