Simplified INAV - First Flight
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- เผยแพร่เมื่อ 28 ก.ย. 2024
- Simplified INAV for fixed wing - First Flight of the stripped back implementation of fixed wing INAV with just the basic modes and features. The aim is to have a less complicated INAV setup on a model that flies well straight away, then the fancy auto modes can be added later.
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Hi Andrew! Informative video as always 🙂
Cheers Andrew! 👍💪✌
Nice 💯 and timely video ‼️ I literally finished soldering the pins on my new flight controller yesterday amd went searching for a video just like these two here, you are the best‼️
Ah thanks. Makes the effort worthwhile
Such a great video as alway!!!
Late night post for SA... good as always
Thanks, scheduled publishing time. I was well asleep and full of leftover Christmas duck
I love it when a plan comes together!
Andrew, What is the difference between Acro and Manual modes. I thought they were the same thing.
If you have ever flown a 5" racing quad, most people fly in Acro. The FC tries to maintain whatever trajectory its it when you let go of the sticks. In in a plane, it tries to ignore wind they would otherwise throw you around the sky with a small light plane on a breezy, turbulent day. It also will iron out a badly trimmed plane and make it flyable. It can hide a multitude of problems. But if you have a well trimmed plane BEFORE you add the FC as Andrew is saying, your plane will fly even better once you add a FC and set it up as Andrew suggested.
So, manual means no stabilization at all. I've flown acro for years, but I never thought of it as having stabilization. It must be a simple rate gyro?
@daxdadog YES it does have some stabilisation, just not any kind of self level. Letting go of the sticks doesn't level the plane like Angle mode does
Manual just passes radio commands straight through with no stabilisation (after applying rates, mixing and expo) Acro stabilises against uncommanded rotations, like wind gusts or lift changes.
Andrew - thank you - Really useful. the fonts and info on your OSD - I can't see to get those. Is there any trick to it? (I have Runcam link and a DJI V2 headset)
WTF OS hack with SneakyFPV fonts
Im a fan of Auto-launch, though I've been using INAV for a good few years now. I don't bother with Loiter, but Cruise, Angle & Acro are my 3 goto flight modes.
Agree, simple is best and if you start with a nice flying plane to start with, adding INAV will make that plane fly great.
Acro, Cruise and RTH are my go to modes
Andrew,,,great pair of videos. Thanks for your continued dedication to this area of flying. I wish I would have had these two a few years back when I first gave this venture a shot:-). I am just about ready for my first flight trial but have one question (and hope you are still monitoring). I am using a wing this time around. I very much understand your comments/instructions of the +4 degree addition to the Fixed Wing level trim line of the Mechanics tab in the PID page of INAV and its purpose. It’s necessary to fly the bird:-). My question is as follows. Before we get into the INAV setup,,,the craft has to be a tested/proven flyer (which means that this amount of elevator is ‘tweaked’ in physically to the airframe to fly). However,,,once I have the bird flight proven and we start the INAV phase of the build,,,do we physically remove this elevator pitch (with wing elevons flat with the rest of the airframe) and let the INAV settings take over (once the setup is complete)? May sound like sort of a naive question,,,but it is a detail that I wanted to make sure of. Thanks so much.
Good question. Yes keep the same amount of elevator reflex you added in the test flights and start with +4º FWPT.
There are two factors at play here.
1 - Flying wings always require reflex in the overall airfoil shape to stop them rotating over the nose due to the lack of a tail. That comes from either the airfoil design or your added elevator reflex.
It is best to dial this in using the pushrod lengths. BUT if you enable "Continuously Trim Servos..." INAV will look at your stick positions while flying and save the new servo midpoints.
2 - All airfoils need some "angle of attack" or a few degrees of positive angle to fly level and maintain altitude. The Fixed Wing Level Trim takes care of the angle of attack requirement (and board mounting discrepancies in the pitch axis).
Thanks a bunch Andrew. This will be a great project. I have the wing flyable right now,,,with the next step of adding all the iNAV hardware, etc. I really can’t wait and this little detail was the last piece of the puzzle. Take care and I’ll let you know how this Texas bird flys. Again,,,,thanks for making these two videos for they made it all come together also. The written word is great but the videos seemed to be the icing on the cake😊
Happy to help. What wing is it?
Just wondering how you align for roll normally as I don't see an artificial horizon or angle on the OSD - to my eyes that plane is rolling slightly to the right. Pre flight I'd normally put the plane in a stand and use a spirit level/digital inclinometer to set the wings level and adjust the board roll alignment via the cli until it's zero in the configuator. I feel Ardupilot does this aspect slighly better than INAV in that you calibrate level on the ground after the gyro has be calibrated. Yes I'm aware that foam twists etc but most of the time I'm mounting the FC on a surface that isn't parallel to the wings to start with.
I don't go to that level of precision in my setups but your careful levelling is a good idea. Yes Ardu levelling option is good.
why wouldn't you launch in manual mode?
No reason, if it's correctly set up you can launch in Acro or Angle as well
Is this bird even available anymore?
Still listed at Finwing
Андрей сколько вам лет?
шестьдесят пять
Hey Andrew I think I screwed up my SpeedyBee f405 i can flash the board but nothing that I set stays is it possible to reset the board back to factory
Which F405? There are 4 different versions. Make sure you use the correct INAV target.
SpeedyBee f405 wing flight controller
Model number f405wing-app
Just have to try reflashing and remember to Save and Reboot whenever you are asked in the configurator.
The documentation states that ACRO mode is the preferred flying mode. Is it also recommended to launch in ACRO mode for the maiden flight?
Preferred? Acro is the default mode, that just means that if you don't choose a specific mode then it will be in Acro. I usually launch in Acro if I know the setup is good, otherwise manual is the safest until you test other modes.
The site is beautiful and So is the video Coverage from the plane
I needed a good teacher like you back in the 70s when I was at school, : )
Cheers Andrew for the lesson.
Haha, thanks. It's in the blood I think. Father and sister were teachers.
KIS is the best way. Thank you very much.
Has to be simple for me
ads are too long :(
Damn! They are making it harder to have minimum ads these days
If you're seeing multiple ads, hitting refresh after first plays fully seems to avoid further ads. They seem to be testing longer ads, but the refresh trick keeps them to a minimum.
What version of INAV?
INAV 6.1.1
@@AndrewNewtonIs that better/easier than the current version 7x ?
@@peterhancox5268 I think the setup is pretty much the same. The main differences are under the bonnet. I just don't like the frequency of these major updates and the removal of support for hardware like F411 series of flight controllers.
@@peterhancox5268 INAV 7 adds VTOL but I haven't tried it yet
Great video Andrew. Thanks for sharing. Hope your weekend was great, our weather is finally warming up to be nicer flying weather. Have a great week.
I'm following this, but my plane is a 'traditional' tail dragger (Xfly Tasman). Please sanity check my logic here... if I select Manual mode on the runway, the plane is effectively ignoring the flight controller, and behaving as if it just has a standard PWM receiver, right? I want to check my trims and CoG manually, before turning on the stabilisation modes.
Correct. That's the safest way to begin. Make sure it flies normally in manual then try acro in flight, being ready to switch back to manual if something is not right.
is acro the same as manual?
No. Read this newtonairlines.blogspot.com/2023/06/simplified-inav.html
So ACRO is AS3X?
Another thorough and informative video Andrew. I was wondering though, do you have a Walksnail setup?
Thanks. No I have DJI V1 goggles
This series is nicely done Andrew. Simple, clear and informative. Only suggestion would be to create a "Simple INAV" playlist, or add the videos to your "INAV" playlist.
The tutorial is superior to the INAV wiki topic of "The Basics of Getting INAV Working" under the "Fixed Wing Guide". Perhaps there needs to be a "Simplified INAV" wiki page with links to the videos.
Many thanks, good suggestions
When i connect gps to matekf411wte barometer doesn't show...
I use BN880 gps
I2C 400Hz
The barometer is in the FC. So should show up without the GPS connected. I never change stock settings and it always works fine for me. You definitely on the correct FW for that board?
@@blackbirdboy1 I just observe that, it's becouse of gps has magnetometer, when gps and magnetometer setup in inav-config and h/w connected to fc then baro and magnetometer shows red, doens't detected by fc. Also gps
Gps bn880
I powered fc with battery pack and tested all settings but unable to solve the issue
Fc automatically correct detected and FW also correct
You may need to manually select the baro in INAV config.
You may need to....1) check the baro and magnetometer are not trying to use the same address on the I2C bus (unlikely these days) or 2) add two 10k pull-up resistors to the SDA pad and 3.3v pad and SCL pad to the 3.3v pad on some FC's the BUS can't maintain the i/o levels with two devices
Great 2-part video Andrew! Thank you so much.
My pleasure!
@@AndrewNewton Hi Andrew may i ask was the video that you upload ie the one we are looking at, exactly the same that you was seeing through your goggles , thanks simply amazing 👍👍👍💯💯💯
@@robertgoldbornatyout Yes, this was recorded in the goggles. 720P, exactly what I am seeing while flying
@@AndrewNewton thanks such good quality well done, you always make good videos .