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"Throttle Stick" & Twitchy motors?
#1
So I've taken my x220 out for it's first real flight today; and I've noticed two things:
  • Throttle stick - when I punch up and 0 the throttle afterwards it keeps climbing for another second or two - it does respond after it's freefalling but I can't seem to get it to stop wanting to climb when I tell it to
  • The bottom left(clockwise motor) seems to be a bit twitchy - it'll wobble in the air and it looks as though it's coming from this motor.


Any help on fixing is greatly appreciated!

Thanks,
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#2
What flight controller do you have in your X220? What version of which firmware are you running on it?

If you look at the channels in the Receiver tab on the configurator, does the throttle channel move in sync with the stick?

If one of your motors is 'a bit twitchy', there could be some poor soldering between the ESC and the motor or a damaged wire.
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#3
(27-Sep-2017, 04:56 PM)unseen Wrote: What flight controller do you have in your X220? What version of which firmware are you running on it?

If you look at the channels in the Receiver tab on the configurator, does the throttle channel move in sync with the stick?

If one of your motors is 'a bit twitchy', there could be some poor soldering between the ESC and the motor or a damaged wire.

So the x220 comes with F3 6DOF, Cleanflight 2.9.1(which I've since upgraded to 3.x.x as per the console in Cleanflight), the throttle on the receiver tab is moving as I'm playing with the sticks, to a max of 2004. Is there a value(or two) I can change in Cleanflight to accommodate this?

I'll have to check the motors - besides checking the screws and stuff before installing props I didn't actually think to check the soldering on them!
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#4
So, you're running Cleanflight then?

I'm looking for two bits of information here. The first is what configurator you are running:

I started my configurator (the Betaflight configurator in this case) and I can see:

[Image: XBvRYhyl.png]

This shows that I am running version 3.2.1 of the Betaflight configurator.

Then, you should connect, go to the CLI tab and type 'version' in the input field at the bottom of the screen. In my case, this shows:

[Image: kEW1FAPl.png]

This shows that my flight controller is a Betaflight F3 and that it is running version 3.1.7 of Betaflight.

It's really important that you use the Betaflight configurator with the Betaflight firmware and the Cleanflight configurator with the Cleanflight firmware.

The version of the configurator must be correct for the version of the firmware you are using.

If we can establish that you are using the right tools, we can move on to looking at what might need adjusting. Also, I understand that you don't really know what flight controller you have. If you can post a picture of the flight controller, it would really help to see if you are running the correct firmware.

When you post the picture, please use the "Upload Image" feature in the forum's editor and not that strange gazya site. If you use the "Upload Image" function, your image will appear with your post instead of making me run script on a site I don't trust to look at your picture.
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#5
(27-Sep-2017, 08:45 PM)unseen Wrote: So, you're running Cleanflight then?

I'm looking for two bits of information here. The first is what configurator you are running:

I started my configurator (the Betaflight configurator in this case) and I can see:

[Image: XBvRYhyl.png]

This shows that I am running version 3.2.1 of the Betaflight configurator.

Then, you should connect, go to the CLI tab and type 'version' in the input field at the bottom of the screen. In my case, this shows:

[Image: kEW1FAPl.png]

This shows that my flight controller is a Betaflight F3 and that it is running version 3.1.7 of Betaflight.

It's really important that you use the Betaflight configurator with the Betaflight firmware and the Cleanflight configurator with the Cleanflight firmware.

The version of the configurator must be correct for the version of the firmware you are using.

If we can establish that you are using the right tools, we can move on to looking at what might need adjusting. Also, I understand that you don't really know what flight controller you have. If you can post a picture of the flight controller, it would really help to see if you are running the correct firmware.

When you post the picture, please use the "Upload Image" feature in the forum's editor and not that strange gazya site. If you use the "Upload Image" function, your image will appear with your post instead of making me run script on a site I don't trust to look at your picture.

On the board itself it reads: "SP Racing MOF3 V1 Cleanflight".

My Cleanflight console reads:

[Image: H5DBh7Zl.png]
[Image: B5TuwTpl.png]

Gyazo is just a quick way of snapping a specific region of your screen for screenshots Smile, but fair enough.


Hope the images help.
[Image: 152f9a4f06c14f8d3cf4693d718ebcb7]
[-] The following 1 user Likes Justbenh's post:
  • unseen
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#6
The pictures help loads!

Your flight controller is some clone of the classic Seriously Pro F3. (http://seriouslypro.com/spracingf3) You are using the correct configurator for the firmware that is installed.

If the throttle stick moves in the configurator's Receiver tab without delay then the flight controller is correctly receiving data from the receiver.

If you just try to maintain a stable hover at a couple of metres from the ground, can you maintain height without significant problems?
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#7
Just as an aside, can I ask: What is it about Gyazo that makes you want to use it?

As far as my fingers remember, it takes me six keystrokes to open my menu, type the first two letters of "Take screenshot", press Enter to start the program, one to select "Screenshot Area" instead of "Whole screen", press Enter to start and then I rubber band the area with the mouse. When I release the left button, the screenshot is taken and is ready to be saved.
I'm having real trouble understanding how some bit of software could simplify or speed up that process. I look at the terms and conditions of sites like gyazo.com and look at the fact that I automatically grant a free and unlimited license for gyazo.com to use any images I upload, Then I look at fact that they say that they will sell information they have about you to other parties... from their own privacy policy (My emphasis in bold text)


The Nota, Inc. Sites, Products and Services may share personally identifiable information about you under the following circumstances:
  • In the course of operating our business it may be necessary or appropriate for us to provide access to your Personal Information to others such as our service providers, contractors and select vendors so that we can operate the Nota, Inc. Sites, Products and Services and our business. Where practical, we seek to obtain confidentiality agreements that are consistent with this Policy and that limit others' use or disclosure of the information you have shared.
  • As we continue to develop our business, we may also sell or transfer all or part of our business. In such transactions, personally identifiable information you have shared with us is generally one of the business assets that will be transferred. The transferred personally identifiable information will remain subject to the promises made in this Policy or subsequent policies to which you have consented.
If there are twitter, facebook, google or other 'share' links on the page, adverts, web analytics plugins or similar tracking devices, this "personally identifiable information" is about much more than just what you do on Gyazo.

The information they will build up about you also includes the URL of nearly every web site you visit, when, for how long, where you went next, your google searches, your phone number, your address, your real name, who your friends are, who you work for, etc, etc, etc.

This seems quite a high price to pay for a 'free' service, particularly when not using it is so easy.
[-] The following 1 user Likes unseen's post:
  • McDee
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#8
(27-Sep-2017, 10:35 PM)unseen Wrote: The pictures help loads!

Your flight controller is some clone of the classic Seriously Pro F3. (http://seriouslypro.com/spracingf3) You are using the correct configurator for the firmware that is installed.

If the throttle stick moves in the configurator's Receiver tab without delay then the flight controller is correctly receiving data from the receiver.

If you just try to maintain a stable hover at a couple of metres from the ground, can you maintain height without significant problems?

Yeah I can hover without any major problems at all.
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#9
Hmm...

What "Gyro update frequency" and "PID update frequency" are you using (Configuration tab).
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#10
[Image: RvGSwokl.png]

I'm pretty sure these are supposed to be higher.. Just not sure what to set them as?
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#11
No, that should be fine. The SP Racing F3 has the gyro on the slower I2C interface rather than SPI so it can't actually handle really fast loop times.

I was suspecting that the loop time was too high and that was the cause of your problem. However, you have the correct loop time and sample rate and the fact that everything works fine when you hover tends to suggest that there isn't actually a problem.

Can you record a black box log of a punch out? That would show exactly what is happening.
Reply
#12
(27-Sep-2017, 10:53 PM)unseen Wrote: Just as an aside, can I ask: What is it about Gyazo that makes you want to use it?

As far as my fingers remember, it takes me six keystrokes to open my menu, type the first two letters of "Take screenshot", press Enter to start the program, one to select "Screenshot Area" instead of "Whole screen", press Enter to start and then I rubber band the area with the mouse. When I release the left button, the screenshot is taken and is ready to be saved.
I'm having real trouble understanding how some bit of software could simplify or speed up that process. I look at the terms and conditions of sites like gyazo.com and look at the fact that I automatically grant a free and unlimited license for gyazo.com to use any images I upload, Then I look at fact that they say that they will sell information they have about you to other parties... from their own privacy policy (My emphasis in bold text)


The Nota, Inc. Sites, Products and Services may share personally identifiable information about you under the following circumstances:
  • In the course of operating our business it may be necessary or appropriate for us to provide access to your Personal Information to others such as our service providers, contractors and select vendors so that we can operate the Nota, Inc. Sites, Products and Services and our business. Where practical, we seek to obtain confidentiality agreements that are consistent with this Policy and that limit others' use or disclosure of the information you have shared.
  • As we continue to develop our business, we may also sell or transfer all or part of our business. In such transactions, personally identifiable information you have shared with us is generally one of the business assets that will be transferred. The transferred personally identifiable information will remain subject to the promises made in this Policy or subsequent policies to which you have consented.
If there are twitter, facebook, google or other 'share' links on the page, adverts, web analytics plugins or similar tracking devices, this "personally identifiable information" is about much more than just what you do on Gyazo.

The information they will build up about you also includes the URL of nearly every web site you visit, when, for how long, where you went next, your google searches, your phone number, your address, your real name, who your friends are, who you work for, etc, etc, etc.

This seems quite a high price to pay for a 'free' service, particularly when not using it is so easy.
If they use information based on what you have on profiles like twitter, facebook and instagram and they can track the sites you use, then they aren't doing anything more than what facebook, twitter and everything else you have does. Once you put your info online on any platform. Consider it public information. Gyazo isn't different or doing it better. If you are worried about companies tracking your internet usage, stop using the internet and/or invest in some VPN.

And for easy screens. It's 1 button and paste. A little faster than your way of taking screenshots. 

Quick question. How do you know this site has encoded your password? Do you use the intofpv password on anything else or do you have different one's for every service, every account and every login you use? Do you use your main mail account? Because if you do...

We can go into this endless pit as far as you want.

Edit: It seems they have their bases covered for when you take a screen of personal information and share it through Gyazo.
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#13
They must be making money to pay for the free service somehow. Selling your information would appear to be how.

I don't see how passwords come into the discussion, but personally, I use a different randomly generated password for each site that requires one.

I don't use Twitter, Facebook or Instagram.
[-] The following 1 user Likes unseen's post:
  • laziegoblin
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#14
(29-Sep-2017, 02:18 PM)unseen Wrote: They must be making money to pay for the free service somehow. Selling your information would appear to be how.

I don't see how passwords come into the discussion, but personally, I use a different randomly generated password for each site that requires one.

I don't use Twitter, Facebook or Instagram.

Because passwords are information.
Mail adresses are information. Both of these can be protected by a code, or it can be stored directly to a database. In the second case, it's easy to get into your account. I give the example of this site to prove that you don't control the level of security.
You use randomly generated passwords for each service, which means you have a great memory, use almost no services or write the passwords down somewhere. (Also, don't use an online generator for passwords)

They must be making money. Very true. Apart from information they sell licence's for people who want more functionality from Gyazo. (You can read up on that) If you think Gyazo is bad for the little clous they have about information I suspect you don't use anything on the internet. I'm definetly not surpised you don't use social media, because their whole business model revolves around using(abusing?) personal information.

I'd say Gyazo is low on the bracket when it comes to abusive behaviour. And since you don't use anything online, you could use Gyazo. Since you have no information for them to sell.

Also be warned that pictures may contain malware. it isn't impossible to put some code in a picture. Which makes loading any picture on a forum a risk. That's what we have firewalls and virus scanners for.

I'm all for doing exactly what you want and sharing what you want on the internet without big companies getting away with abusing people, but Gyazo is not where the problem starts. Get some cryptocurrency, boycot the government. Power to the people and all that.
Regards
Lazie

Edit: By trying not to share your information, but at the same time using search engines and possibly some forums they can already make a profile of the kind of user you are. It's like chosing not to vote, in reality, you are still voting for the winning side.
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#15
(29-Sep-2017, 07:42 AM)unseen Wrote: No, that should be fine. The SP Racing F3 has the gyro on the slower I2C interface rather than SPI so it can't actually handle really fast loop times.

I was suspecting that the loop time was too high and that was the cause of your problem. However, you have the correct loop time and sample rate and the fact that everything works fine when you hover tends to suggest that there isn't actually a problem.

Can you record a black box log of a punch out? That would show exactly what is happening.

As soon as the weather clears here I'll be sure to get one - are there any settings besides blackbox I need to enable to get the log? Also, how do I open it? I've seen on google it saves as a .BBL file?
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