INAV Fixed Wing Scaled Throttle: How to get the correct values in your OSD
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- čas přidán 6. 01. 2024
- 🔗 www.MrD-RC.com 🔗 / mrd_rc
In this video, I show fixed wing pilots how to get your navigation throttles (auto launch, cruise, loiter, RTH, missions etc) showing correctly in INAV.
Here are the CLI commands:
set max_throttle = 2000
set throttle_idle = 0
✈️ Contents ✈️
00:00 Introduction
Thank you for watching this video. Time is precious, so I hope that you got some benefit from this video. If you have any questions, please leave a comment and I'll do my best to answer. Please try to keep questions relevant to the video in, as they may also help others who have the same question.
✈️ In this video ✈️
🔗 INAV Hardware In The Loop: • Setting up and using H...
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#INAV - Jak na to + styl
Nice! And should be the default for fixed wing.
This has confused me for ages, thanks for the explanation, looking forward to testing it. 👍
Yeah Glenn, that scaling is a PITA. I have this on everything now.
Thank you very much! Can you say why these settings are not set as default for fixed wing models?
I agree with this comment. Fixed wing should have the full throttle range
Thanks, Darren for this explanation. Let me try it.
Thanks. But why isn't max_throttle set to 2000 and throttle_idle set to 0 as part of the defaults when initializing at new board and choosing a fixed wing model?
It'd be great to have an explanation of what throttle_idle and "stop motors on low throttle" really mean and do. Don't motors always stop on low throttle?
It's a relic from BetaFlight/CleanFlight quad flying. On a quad, you 1) can't stop the props at idle, because if you drop the throttle to start a dive and your props stop spinning, you not only have no throttle, but also no flight controls, since the props need to be spinning for that. So on quads, when they are armed but the throttle is at 0, the props are still spinning, even sitting on the ground. Conversely, 2) you can't ever really go to *actual* 100% throttle, because you would also then not have any control. Imagine that you were flying a quad, at actually 100% throttle. If you commanded a left roll, then the right motors need to increase throttle in order to bank left. But they are already at 100%, so there's nowhere higher for them to go. Even just to fly straight and level the throttle of individual motors is always varying a little with the control loop. So the quads always keep a little headroom like he said in the video so that the control loop can always increase the throttle on the motors a little bit even if you are at "full" throttle.
All that being said, I agree with you, the defaults in INAV should set min and max to 1000 and 2000 when selecting any of the plane presets. I don't think there's ever any reason on a normal plane that you'd need 5% at the bottom and 15% at the top for headroom (though I'm curious if maybe there's a reason I haven't thought of).
Fantastic- appreciate your work!!!
Love the Flight Control Therapy videos Darren Thanks for them
Thanks, exactly what I needed.
You're welcome. I'm glad it was useful 👍
Thanks for the great video!
My pleasure. I'm glad it was helpful.
Excellent video Mr. D. [As usual]. I placed landing gear on my 1.8M OG Talon for ground takeoff. I set the idle and launch throttle the same and as long as I have a path for take off it actually works pretty decent. 😊
Cool. I know some guys have tried this for real. So long as the yaw holds stable, I'm sure it will work fine 👍
MrD.....that some stunt uve done....can we really do it in real flight? 😂
INAV trying to act like Pitlab with inflight menu still needs a bit of tweaking ;)
Haha, true. Thought PitLab isn't as much fun. As the plane doesn't move around when you're navigating the menu 😆
The man! You have no idea how much I needed this video! I've read all your comments (and others) on Github regarding scaled throttle on the OSD, but this really clears things up. One question... does the max throttle setting affect the manual motor output sliders in the outputs tab? Wondering if I need to recalibrate my non-dshot ESC's after making these changes?
If you're not using DSHOT, then it would probably be a good idea to recalibrate the ESC. Thanks for reminding me. I'll add it to the video description.
I can't find a way to get the motors spinning below 15% radio throttle - esc calibrated any suggestion ?
Hello. One think is not clear still for me. When you apply Throttle Scale , the throtle values you set in AutoLaunch and Navigation Settings are also scaled by that factor, or those are the final values (after scaling) ? Also the throttle value you see on the OSD is already scaled ? Thx.
Thanks for this. Will I need to change any of my throttle settings for auto launch etc?
No. No need to change any throttle settings. They will just be displayed correctly now.
Hi Darren, sorry for being off topic. I use a 34inch widescreen monitor.
I can't get Inav in a good proportion on the screen. For example, I can't reach the bottom of a screen to save settings, for example. It is not possible to reduce the size of the program or to adjust a layout.
Is this problem known or is there a solution?
The size of the monitor won’t make a difference. What matters is the resolution the monitor is displaying at. My main monitor is either 28 or 32” widescreen, and it works just fine. Maybe increase the resolution if you can. 34” is huge. You should at least be able to run 1920 x 1080 on that. That resolution is fine for configurator.
Thanks for this! 😎
Do i need to recalibrate my hobbywing skywalker pwm esc after this? And what about the Blheli stuff?
You should recalibrate non-DSHOT ESCs.
@@MrD dshot thats what i meant! Thanks bud! 😎 👍 Good work 😊
Thanks for INAV video. In this video which flight simulator you used?
did you find the name of the simulator?
HITL with INAV 6.0 and X-Plane
Nice!! Will this now mean that 50% stick will show as 50% on OSD? or do i still need to make 1000-2000 endpoint adjustments using rxrange in the cli?
Yes, 50% on the stick will show as 50% on the OSD. Yes, you should always make the 4 main control channel ranges 1000-2000. I actually prefer to do it on the radio rather than rxrange. I have a base model, that all my other FPV models are duplicated from. After setting the endpoints on the base model. I never have to worry about it again.
Is it only for showing the correct throttle in the osd or does it also change how fast the motor will spin? So do i have to change the cruise throttle afte making the changes?
You don’t need to change your throttle values. They were being displayed incorrectly before.
Does this mean that I have been effectively flying with a throttle cap of 1850 using default INAV fixed wing settings? Could I expect to see more rpms at the motor after changing this to 2000?
No. If using DSHOT or the ESC was calibrated. There wouldn’t have been a throttle cap.
@@MrD Great, thanks for clearing that up for me!