Using Betaflight throttle limiting to tame the Mobula7 on 2S
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- เผยแพร่เมื่อ 23 พ.ย. 2018
- The throttle limit commands are a feature introduced in Betaflight 3.4 which come in handy for scaling down the range of your throttle stick. Let's checkout how to apply this to the Mobula7, although it can obviously be used on any quad.
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This worked a treat, did a test by switching between rate profiles that I had set the limit and one not set, the difference was clear, cheers 🙂
Thanks a lot for this video (and all of the others)! I made three profiles which I now can switch with my left potentiometer (taranis X7). Since the mobula peeps when the profile changes it's just great.
As a rookie I'm very grateful that people like you make such great vids. It helps me a lot. It's actually the first time I could use the potentiometer plus it's the first time I modified the "Adjustments" tab. So now it makes sense what this tab is all about. And I also copied your settings since it looks like you have tuned your mobula (yaw, super rate :)
Thank you Sir, its really appreciated!
Awesome - really glad it helped you out, and thanks for the nice comment :)
That's a good logical and sensible alternative. Nice work CK
Thanks muchly :)
This solved a bunch of my quads out, that I fly outside my house in a small backyard, where if I punch the throttle I would have been in my neighboors house ;) now I am safe. Thank you mate!
Works like a charm!! Thank you! Beta 75 pro2 is manageable in the house now!!
Fantastic! I was racking my brain on how to do this to make the mobula 7 a bit more manageable 😊
Thanks for the info, It worked great. I have a Beta65 and I set mine to 70 percent for indoor flying Its a nice mix of punch and control for me.
Nice one - it's nicer to not have to restrict yourself to half the throttle stick isn't it :)
Definitely going to do this and have indoor and outdoor flight profiles on my whoops!
Thanks for the tip!
Thanks for this vid. Exactly what I was after and did the job perfectly. Created a few different profiles for indoor 1s 2s and outdoor.
Glad it helped!
Great video. Saw Joshua’s video too. Synchronicity is real y’all! Nice job on beating him with a better solution. Of course he had to post a follow up and gave you all the credit, good man!
Very much a coincidence, but also very nice that he gave me a shout out in his follow up video. I was going to let that video come out later this week, so glad I released it straight away now :)
Finally could test the new rateprofile using OSD. Used your 50% throttle limit suggestion and it flies great indoors! What an elegant solution! Thanks again CK!
Super daddy, i tried that throttle limit thing on my 6S 7" midrange mini quad and i have to say that now it's way better to fly it because before it was hovering around 25% throttle and my props were acting like they were about to explode when i passed 75% throttle lol
Now it's way more managable and i can finally reduce the throttle expo i was using in the GUI which never managed to improve it like expected!
Thanks a milion! Have a great weekend and keep on flying :D
Cool - yes it's really a feature I'm liking, and not just on these little quads. Have you been making videos on this 6s 7" quad. I think I may have seen one in my list, but not many ?
@@CurryKitten Not a lot of videos unfortunately, we did not have good weather here in Thailand until late November and sadly now the weather is better, i'm hella busy :'(
But i will do my best for finding some free time in order to fly :)
Definitely will try this on my QX7 tonight.. Thanks for that tip!! I've been using the throttle trim on my radio to tame it down a bit. It doesn't quite work
There's other ways of doing it on your radio - as another comment mentioned, you can mess with the throttle weight/offset. But Betaflight doesn't depend on a certain type of radio and is pretty easy, so I like this way.
Thank you, super helpful. Gonna try it with a 6s lipo on my 4s quad!
Great stuff CK. I just applied this to my Trashcan. Yeeharr! 👍😎🇦🇺
Thanks for this very helpful video! 50% works great on the my Mobula7 ans 60% works well on my Betafpv75X because it's heavier and needs a bit more to make it a heavy indoor whoop.
Great stuff - glad it's working well for you.
Thanks for this! Most helpful!
Thanks for this... I've been flying the mobula7 into the ceiling these last few days aha I will save full throttle for the out doors acro!!!!
Yes - It's pretty sensitive isn't it unless your house is massive :)
Always wondered how that worked. I do it a different way on my beta 75. I set the throttle curve at about 0.45 to 0.3 expo and put the digital idle way up. This works really well indoors and really badly outdoors. Indoors though it gives you all the resolution at the throttle you need and the curve feels much more like my 5" with the steep ramp up covering the weedy throttle and giving the quad grip in the air.
Yeah - I heard a few people talking about quite a few different ways of doing similar things - "massive throttle expo" was one that kept repeating, but I didn't like the idea of it. Give this one a try - the reason I like it is because it's an easy swap from inside to outside. I like things where I don't have to faff around too much
I just use a throttle curve on a switch on the radio but i'm using the taranis which has plenty of switches. I also put different rate profiles for different modes which are on the same switch as flight mode change. New sub! :)
One thing that's cool about OpenTX is that there isn't "the" way to do something, there's lots of different approaches that can all be made to work. Thanks' for the sub :)
Fantastic tip, man! Thanks a lot! 😃
Cheers MC
you can set rate profile selection on one 3 position switch (y). Nice video
You can indeed... unless like me you are using the X-lite and have run out of switches already :)
this is a great idea. I have the throttle limited to 75% in my taranis X9D, I set up a second profile, so I can choose easely. as a beginner, a 5" racing quad is a bit too much :)
Yes, I agree. Previously I might have suggested running on 3s or changing the props, but I really do like the throttle limit as a solution to these. Very easy to change and have multiple setups
Thank you for this very useful video.
No worries - glad it was useful :)
I am enjoying the almost 2 minutes extra flight time from limiting the throttle.
Thanks for this, a game changer👍😉
Handy isn't it - I'll be using it on a few other quads as well
Tqs.. for the tip.. now i can do it to all my quad too.. 😁
Cool, let me know how you find it
Great tip, if my Mobula ever arrives I'll be setting that up for 'buzz the dog' mode :)
Haha, she's not being buzzed on purpose, but as I tend to go all around the house on my flights, I'm going to bump into here somewhere along the way :D
Great video - Now that we are almost in BF 4.3 how can you set all 6 rate profiles to a switch or a potentiometer?
Very interesting and I'm applying that my "racing" 5" to make it easier to flight for example when gates are close together and you never reach maximum speed. So the throttle cut can be adjusted based on track (in your case for indoor)
P.S. in the "adjustment" page you can do set everything in one line covering the whole range, and if you have for example a 3 position switch, it'll switch to rate profile 1/2/3 based on the switch position.
P.P.S. you can do the same directly on OpenTX by adjusting Throttle input weight and offset ;) So if you want to cut 50% the throttle you set the weight to 50 and the offset to -50. That's my preferred way as I can adjust it whatever you want on the field without using BF.
Thanks - yes, that's another good idea, potentially giving yourself more resolution on the stick when racing a tight course. Thanks for the extra info - I've only used the adjustments tab once before (for doing in flight tuning) and I have to say I found it all a little bit counter-intuitive. It felt like I should be able to do things on a single line, but it never worked. Maybe it got better. And yes, I was deliberately ignoring ways of doing it on the radio as - despite the perception that most people are on a Taranis - the people who then shout "booo, I can't do this" because they are on FlySky/Spectrum/Futaba is surprisingly large. So I went with something that is universal (cue people complaiing that I didn't cover Flight1/Kiss/etc) :)
@@CurryKitten JB is copying you! :D He just released a very similar video.
Haha Just a coincidence - as the 2s whoops becomes commonplace we're all having a think about how to fly it easier in any situation. Also, if he was copying me, then he'd know that he could use rateprofiles to easily swap between different throttle limits :D
I'm just getting started in this hobby and have Betaflight 4.1. The "using slot" column/option under the Adjustments screen does not exist. How do I tell it which rate profile to use in BF 4.1? Thanks! Super helpful videos.
brilliant!
is there a way to have the power of the quad stay consistent throw-out the battery's charge ?? It's super touchy in the when taking off but after 1 minute, there is a major change in throttle input just to hold a hover..
Hi CK, what a great idea, I need to do this! Just wondering if there was away to assign one of the POTs on the top of the xlite which can 'scale' so to speak??
Not using the betaflight throttle limit, but you can have multiple profiles and then switch between them. With OpenTX you can make the radio do something similar and so scale it using a pot. Joshua Bardwell did a video where he scales it on a slider which is easily modified, check out his video here th-cam.com/video/m9Gf95fapoQ/w-d-xo.html
that's great, will take a peak @JB's slider option. Thank you
Can you do another video that shows a profile that has different stick curves? You can also use the trim keys as momentary switches. If your looking for more switches on X lite. Thanks
Oh good call on the trim buttons - I always forget about those, and there are never used in any betaflight quad as well. Any reason you are wanting to see another video with different curves ?
CurryKitten Instead of scaling I was hoping to put 60 or 70 percent of the curve at the top of the stick. But still have 100% of the total.
Loved your series about beepers! Always looking for super small beepers I can add to a drones like the Mobula7 for when the main battery comes loose. Thanks again 😊
If you want to jump to how to do this it starts at 2:45 of the video
It's worth pointing out that you can do the same thing with your transmitter.
Sure, you can - but with many different radios about having a way of which everyone can do it irrespective of their radio type, I think, is more useful.
Random question. I did this today and in betaflight it does not load rate profile 2 after selecting it. You see in the top left of the screen it says what profile has loaded this part always stay on 1? What could this be?
Great suggestion. I'll be trying that out for sure. I have a question however. I only have 250m 1s lipos, and I was wondering - if I created a wiring harness to run two 1s lipos in series to create a "500mah" 1s, is that possible instead of adjusting rates in Betaflight for running 2s? Second, is that even worth it? What is a scaled down throttle for 2s vs 100% available throttle for a 1s setup (with 2 - 1s lipos)?
"It depends" is the slightly unhelpful short answer, and to expand a bit. The Mobula7, will take a 1s lipo by messing around with the existing series cable (it's actually a parallel cable you need to create a single 500mah 1s from 2 x 250mah ones) so if you were to create a second harness to plug into the existing cabling, it might look a bit busy. Having flown 1s with full power and 2s with a reduced throttle limit - it's easier and more flexible to use the throttle limit as you can change this exactly to the percentage you like (and it saves on wiring)
@@CurryKitten Thanks for all your thoughts and clarification on the parallel cable required for what I was proposing. The flexibility of throttle limit on 2s makes sense as well. Cheers!
My Mobula 7 came with the jumper included. So it seems HappyModel has added it to the package at a certain point in time.
That's cool - I like to think I had some influence there, but it's probably just coincidence :)
Could be, or it was already thought of. Or maybe the one that should have been included with yours, was accidentally left out. The idea of making it capable of 1S and 2S use is pretty neat, although the quad flies better on 2S, and the batteries also don't get as hot as when used separately, instead of in series.
Hey Curry, im an acro guy and never did angle or horizon mode until i got the mobula7. It just flies better indoors in angle. I understand Angle Limit, but my question is... what the heck is Angle and Horizon Strength and what is Transition? Very little information online. Next video maybe? Its whoop season lol
I'm the same - it's very difficult to fly acro indoors - there's just not enough space. Interesting question - I think it's about just how much power it puts into bringing you back to level when you let go of the stick, but I'm not sure, so time permitting, I'll have a look and may do a video :)
@@CurryKitten after trying different values I found that the higher the strength, the stronger it will bring the quad back to auto level, kind of like increasing P gain. Transition is for horizon mode and determines when the transition to acro is, the lower, the faster it turns to acro with less stick movements
@@CurryKitten I think I found the perfect combination of being able to fly with stability as well as the occasional flip and roll. I now use horizon mode and got it flying exactly like my angle mode by changing the transition to the max, which is 200. So that the sticks feel exactly like angle mode, but if I go to the very extreme at 100% it will flip and roll on command. You can also lower the strength value to smoothen the recovery from flips and rolls. Never thought I could do fast forward flight indoors while barrel rolling over my kitchen table or front flipping down my flight of stairs. It's amazing lol.
I'll have to have a play with this, sounds fun
I once flew a 3s racing drone indoors and it ripped... It ripped through the roof and the time-space continuum
Your OSD layout in neat☺️
I like info around the edges, keeping the middle clear
Would setting the throttle limit in CLI have similar results as setting the throttle travel limit in OpenTX? Did you also notice the lower throttle limit extended your flight time?
Don't know is the quick answer - based on me not being able to find anything on the "throttle travel lmits" there's obviously travel limit on other channels, but the problem here with the throttle is that it needs to go from zero and scale up - which is often different to channels that have their neutral position in the mid-point. Joshua Bardwell put a video up about using a slider to change the throttle which was actually pretty complex with the amount of offsets used. As far as the flight time - yes, you get more as you are not really hammering it. I was getting less outside where I could really open her up on the full 2s power vs the reduced throttle inside the house
im using my mobula7 with 1s in house but when i do that i need to push the throttle almost to the top to keep the drone in some sort of a hover state. when the throttle is in the middle its drops to the ground very fast. so im trying to understand how do i make the mid point of the throttle to be my hover point. any suggestions? or at list how do i make the throttle give me more power much earlier so i will not need to push it to almost to the top.
3:56 He ain't wrong
When I copy the Rateprofile 1 and then select profile 2, it just goes back to profile 1. Am I missing something?
I've noticed this happening just recently in the last few quads I've looked at. I'm not sure if it's the version of the betaflight configurator, or the firmware on the FC itself. As a quick workaround, you can select the profile from the quad itself, leave it there and then go back in to betaflight to make the changes.
What mode are you in at 7:13 ? I couldn't imagine flying my tinyhawk freestyle ii indoors. thing has way too much power.
Says "STAB" in the OSD at the bottom, so that's angle mode. Something having too much power is kind of the point of this video. If you change the throttle limit (You can now do this in the Betaflight configurator (no CLI commands needed) then you can easily limit the power to 50%, 30% of normal - whatever you need. Suddenly you can fly 2S in the house. I don't acro inside though, I do find that there's just not enough space to be able to correct my attitude well enough
@@CurryKitten yo thank you so much! This fixed literally all of my flying issues that I was having. I wish someone would be told me about this in a "beginner" tutorial 🤦♂️ haha appreciate your video!
I've tried to copy your set up for a Meteor 65 just for flying inside and have linked 3 profiles to my B switch on my X-Lite and in Betaflight it shows correctly on the adjustment tab, but in the PID Tuning tab it seems sometimes to work and others to just lock up and I have to reboot the quad. Is that just a software thing and will it work OK on the quad? Almost seems like its OK going up from Profile 1 (100%) to Profile 3 (50%) but wont come back down. Any ideas?
Is it that it's not switching profiles in Betaflight? I noticed this happening recently - might be a recent change. If that's the case you can change it on the quad and then go in and alter it in betaflight. In my experience it has still been actually working fine, even if the configurator is acting weird
Currykitten
Your dog 😂 he’s like .. 🐶 wtf not again lol😂. Good tips mate. ThNks for sharing
My dog hears an ESC power up, she's gone!!
She's pretty used to quads flying all around. She now recognises that if the goggles come out then something going to happen, so she attempts to find herself a safe place to take cover :)
When I connect the drone on bf and turn on reciever it keeps saying telementry lost. Is that normal, it goes on and off. When I fly it doesn't.
Having a constant "telemetry lost, telemetry recovered" is something that can happen when you have the radio in close proximity to the model - the TX overwhelms the receiver. Try moving the model and radio further apart and see if that cures the issue.
@@CurryKitten do you get thst with yours mobula? What bf version you using?
@@Hellmuthsilva Can't remember off the top of my head, but it's a general problem you'll see whenever you get a radio close to a telemetry receiver. Have the radio just the right distance and you'll get a constant repeating stream of "telemetry lost, telemetry recovered" I'm still using BF 3.5.0 as in this video
i have had the mobula7 for about 2 weeks and flown it about 5 times,i
have never crashed it but for some reason one of the motors now only
spins intermittently,i have tried changing the motors but it does the
same thing so it is to do with the flight controller i presume,i am a
noob and was wondering what you would try,thanks for any help mate
Generally speaking, if you've swapped the motors over, but the problem remains in the same position, then it's the ESC. To check there's no logic in the flight controller stopping the motor from spinning up, go into the motors tab in betaflight (props off obviously) and use the slider to attempt to spin each motor in turn to see if the motor spins up or not. I'm assuming you are using Dshot in this quad, if for any reason you are on oneshot or multishot, then try doing the ESC calibration first.
@@CurryKitten thanks for the reply mate,when i go into the motor tab and use the slider for it does the same intermittent power problem,how do i calibrate the ESC ? sorry to be a pain
Ok, I hadn't clicked you said it was a Mobula, which means it should be using DShot which doesn't require a motor calibration. Double check this by going to the configuration tab and making sure your ESC/Motor protocol is set to DShot600. If that's the case, and you've already moved motors (and hence you'll have double checked that your soldering is all intact and good) then it's possible that something like a fet has gone on the ESC board rendering one ESCs a bit dead. The only thing I'd say though is normally when you've got a motor that's kind of twitching and not turning properly it's because one of the 3 connections to it isn't there. So do go back and checked/recheck/retest that first. Failing that, I'd replace the ESC board
Kind of off topic but not really, when I set my horizon and beeper switch they don't work on the quad and don't turn yellow when I'm in the range on betaflight. If someone knows why and can help me before I try to set a rate profile switch that'd be appreciated
So you can see the little pointer moving in the display in modes, but it doesn't change? This is generally what happens when you have set the mode but haven't saved it yet - did you definitely do the save part ?
@@CurryKitten lmao, thanks man. It was so simple I never would have noticed. Haha. I've been going to config and save+reboot. It's my first time on betaflight if u haven't guessed. Thanks again man😂
Did Joshua Bardwell just still your idea for his channel?
Haha, great minds and all that - simply coincidental, with 2s whoops becoming the thing lots of people have given a bit of thought about how to bring that extra power under control. It's nice to know that we've come up with the same solution, even if (ahem) Joshua didn't realise that the throttle_limit stuff was part of the rateprofiles :-)
How come your FC CPU usage is that low? Mine wonders at 50%.
I did notice it was a bit higher than I wanted just as is. I can't remember if I'd turned anything off from default (I'm away so can't check) but it's one of the things to do if it's up that high. I always try and stay below 30%, 50% is a bit too high
deym CK why it is most understandable compare to baldwell sh*t explanation on throttle management take a masterclass which you can simply explain like that more of this please i suddenly miss PBF blue falcon the way you explain simple and direct to the point.
I think Josh just got caught up in his very complex mixing idea... which is great fun to solve, but doesn't make for an easy knowledge transfer. I used to use PBF's videos all the time - he's much missed.
CK you’re right about that thank you for making this kind of content more power and godbless.
with 1s it doesn't lift any solution please?
It should be fine on 1s. So are your props spinning and it's just not taking off ?
I turned every think as it was from the betaflight and it's fine,re done your method again and it's working.thanks :)
Awesome solution! By the way, no disrespect intended, just simple curiosity, but what is a "CurryKitten" anyway? I mean, I realize that's your screen name but what is it derived from originally?
The story behind CurryKitten is quite similar if you ever watched Painless360's video about how he got his name. It was simply a case of the names you want not being available and trying everything to find one. I can't remember what it was, some email or chat client, but the name "Wayne" was taken and after I tried lots of other things that weren't available I tried putting in the names of my then cats which were "Madras" and "Korma" (who are names after curries) after this didn't work I eventually link Curry and Kitten together which was available - and that's stuck ever since :)
CurryKitten - That’s a fun story and in that many of had crossed before. I just gave up and tried my real name and that worked for me, but I am just a viewer/supporter. BTW, there is now a unique token used in cryptocurrency called a “CurryKitten.” I found that by accident it made me curious. Thank you for sharing your story.
Can you use the jumper cable on other 2s whoops like the beta65x? Don't want to short any drones.
Yes - the Beta65X uses the same sort of series cable, so you can use the jumper to make it a 1s machine
That was not helpful. It was VERY helpful. Liked and Subbed. (BTW Joshua Bardwell linked to this video).
Curry,
I feel like I've been left in suspense.... what could come after the comma !?
What a great tutorial. I guess I can also use this to make different expos on the defferent rates, and maybe more. Great tutorial, thanks :-)
Yes - the rates and expo's used to be in the regular profiles, but now this only seems to contain the actual pids whilst all rates/expos/etc belong in the rateprofiles