Betaflight 4.3 Rates Tuning: Rates are even more important than PIDs for flight feel in 4.3

AOS 5 V2 and AOS 5.5 V2: www.cncdrones.com/Chris-Rosse...
Support this work on Patreon if you think I've earned it: / chris_rosser
Let me know down in the comments what you think about the distinction between setpoint tracking and flight feel and what your best setup for flight feel is!

[@AcruxFPV]

I would just like to say a huge thank you, Chris. You have put a pheonmenal amount of work into this playlist and it has taught me an immense amount. Your style of presentation around tuning has been the best I've seen so far and your powerpoint-type delivery is so clear and helpful. I'll be signing up to your Patreon. 🙏🫶

[@ChrisRosser]

Thanks Damien! That means a lot to me! 🙏😁

[@ValleyFPV]

So clearly explained, great info without a lot of opinion. You have a new sub.

[@MasqUp]

Loved the video!!! (As I have all of your other videos), I thought I was an oddity using the throttle mid and expo so much to smooth out my race style park flying. Thank you for all your time and efforts in producing all these videos! I use your tuning guide series as the staple and must have on all my quads.

[@WindjumbieFPV]

Man you are always so clear and concise with your information ✌🏼 thanks a lot

[@MerinKumar]

perfect timing, was setting up the new quad, 4.3 and testing up with rates .. nice video thanks !!

[@offtheground9152]

Thanks again as always. I just purchased your AOS 5 V2, can't wait for the build.

[@samavella8831]

Chris, As always, a fantastic video. Always learn something new. Thank you 🙏

[@epicchris89]

I am always amazed by your videos🔥 You are doing a great job! Happy shredding✌️

[@oleg146]

Thanks for amazing explanation about actual rates, very helpful! I just decided to try to use them instead of classical betaflight rates and you posted this video, fantastic! :)

[@matheussales7850]

Thank you for your technical yet not massive videos. Realy helps. Keep up the good work

[@stefanweickinger9539]

was searching for this since months -> explained very well!!! Thanx!

[@FishfaceFP]

Beautifully diplomatic as always😊

[@MindRiderFPV]

Amazing difference! I kept fiddling with the PIDs while the secret is in the rates! Great info. Thanks!

[@RCwithAdam1]

Great info, Chris! Thanks! 👍looking forward to trying out some different settings.

[@GrauFPV]

Fantastic video I only personally do not agree with throttle expo. I learned muscle memory for linear throttle, and although it takes a lot more skill to develop, I feel that it is more precise with the right pilot.

[@GRANOLAFPV]

I think throttle expo works great *if* you’re always flying at roughly the same throttle. But for most pilots that’s not the case, so having an expo curve on the throttle results in different throttle sensitivity at different values, which just makes things harder. That’s my .02 at least.

[@franciswong26]

As a beginner, I do agree that having a linear throttle expo is more important. On the other hand, I do feel thankful that Chris points out there is an option for us if we need to.

[@avgvstvs96]

Yeah see I've been trying throttle expo but haven't really been liking it, it feels more difficult to drop altitude, I don't wanna have to drop my thumb that far. It's funny though, I've spent a year and a half away from the hobby but my muscle memory for linear throttle persists. I think the scaled throttle limit at 80 or 90 increases throttle resolution while maintaining that linear feel. But I do see how expo can be useful, I just don't think it's for me

[@GrauFPV]

@@avgvstvs96 yes indeed for the scalped throttle. I agree with that. I use it on my racers and it’s beyond helpful. As much as I really think roaster knows his shiz, I think he’s off on the throttle expo

[@JimBacus]

Wow, thank you so much for this! This is working great for me.

[@catfpv5524]

Great video! Thank you Chris. Can't believe I haven't used throttle limit, scale and expo.

[@rx7learner]

BRAVO! Best tutorial with proven results immediately. I will use this for all of my quads. Was very happy going to 4.3 however this has helped to refine what I already thought was flying great. I've seen hundreds of tutorials but none have helped as much as this. Thank you Chris!

[@Shauny_D]

I think yaw rate and tracking is very important in throttle adjustment (mode 2 only). If you're having to move yaw too much in conjunction with precise throttle changes you loose precision. I like keeping yaw more sensitive in center and event faster rates because you move the stick less and requires less variance in throttle muscle memory.

[@brianconnolly5649]

This is truly the best info I've had since I started tuning my quads. I've spent countless hours messing with my PIDs and just after tuning the throttle limit and expo I was stunned how nice it felt. This is awesome thank you.

[@MrCrowleyandhisdrone]

Great vid, thank you for your efforts. Much appreciated🙂

[@OdysseusVrakas]

Write a book already. Very nicely explained. Will try them out today.

[@Burnsideboogz]

AYYYYO BROO! THANK YOU!!. HELPED ME SO MUCH MY QUAD FLYS INCREDIBLE!!.

[@edrone_]

Absolutely fantastic content Chris 👏 I have been using some rate presets in 4.3 modifying the end points for my liking now I'm ready to dive into these settings you described and test out for myself!

[@breakflight]

This is a great video, and I love the changes you've introduced in your teaser for the new frames. I've wished for each of those changes (except I loved the original look). I would get one since I fly HDZero Freestyle, but I've already got an AOS 55 with six extra arms.

[@peternguyen3732]

Your the best ROSSER! Pure brevity! :)

[@MrPrr0]

amazing explanation, I learn. alot in just 20min great job

[@ChrisRosser]

Glad it was helpful!

[@ermantokbay]

Your videos are very helpful. Thank you so much...

[@GrimSpeedFPV]

I didn't know this much about rc smoothing. Think this will really help me out with my style! Man I like the new frames!! Gonna have to check out.

[@panosfpv]

Amazing video!

[@ChrisRosser]

Thanks!

[@joebasque2655]

Best explanation l have heard on this subject.. Well done!

[@ChrisRosser]

Glad you enjoyed it!

[@aakashjana6225]

When I was watching that motor discussion video on Bardwell's channel and some of the other speakers were a bit more sold on the change motor to get the right throttle feel idea. I was really feeling Chris at that point. YOU DONT NEED THE MOST EXPENSIVE MOTOR TO GET THE RIGHT THROTTLE FEEL. But yeah you do want that omega dot. Throttle mid, throttle expo and scaling are the settings that massively change your flying experience, even more than PIDs , its something I learnt from one of my airplane friends , its really great that Chris has now emphasized more on this lifechanging setting.

[@sakfpv8444]

I have listened to all 8 of these betaflight 4.3 tuning videos, and man oh man. I can't wait to get out of work and get my cinewhoop to fly better than it already is. It's a geprc cinerun frame, with all the guts and motors from a diatone taycan, with the 1606 motors (3750kv). Just swapping the frame, which is about 100g lighter, adding 4.3, and rpm filtering it flies so much better but has some issues. And I never thought about throttle expo. Which...duh...makes so much sense for a cinewhoop. It's become my favorite drone for cruising long range, down the shore of the intercoastal waterway, or through the woods following a mountain bike. It has slight bobbles at a constant cruise, and the throttle is a bit touchy at cruise speed, but I don't want to limit the throttle at all because I use full throttle sometimes. I can't wait to try throttle expo

[@turionb1408]

thank you awesome vid

[@martinwager8815]

KZbin needs to have two like buttons for videos like this. Thank you for a great explanation

[@bobwyattfpv9847]

Very helpful 😎

[@aphinion]

Thank you so much for this vid. That's gonna be a great link to post when these discussions come up. I was always confused why people would detune their quad to make it feel different. Your BF4.2 rate vid changed my life quite heavily :) Throttle limit: I'm gonna ignoring this... There is nothing better than punching that throttle to 2000 and jump in the air... love it XD Trottle expo: OMG... so much agreed... this one setting makes such a difference. All of a sudden keeping a precise height close to the ground (for cinematic stuff) and also catching a quad closely to the ground from a dive so much easier. Actual rates: I even set the center sensitivity to 10. 670 max rate and .5 expo here too :) This was a suggestion by Marc Spats and while it took some getting used to, now I got smooth flow and rapid rolls all in one rate setting. Love it, probably gonna stick with it. I never played around with RC smoothing though. That's gonna be very interesting! I too have test flown a KISS quad and can confirm that it feels quite "organic", smooth but predictable... while handling prop wash really well. Some people say, tuning this RC smoothing value on BF is what makes the difference and results in the same feel on BF. Let's find out! Do I leave those cut-offs just at auto and only change the auto-factor?

[@ChrisRosser]

Yeah just change the auto factor and make sure your RC link is at constant rate (not crossfire dynamic!).

[@aphinion]

@@ChrisRosser Awesome! Will try, thanks!

[@jlarson42]

Very interesting and informative video. Don't know if I'll change anything yet. But definitely learned several things. I fly Betaflight and Kiss. My Apex build with Kiss Ultra is my primary flyer with my Source one build with BF 4.2.9 my backup. I did update a third quad to BF 4.3 to learn about 4.3. I have the AOS 7 on the way, I intend to install iNav on it. Your new AOS 5.5 has peeked my interest, I have a spare kiss ultra fc looking for a home. Happy flying Chris 👍🤓

[@fluttershy77x]

Changing throttle mid to 0.3 and setting a throttle expo to 0.5 really made a huge difference for me! In combination with changing RC smoothing to 50 from 30. But I believe changing the throttle point was the most notable difference! Thank you.

[@wiscut564]

thank you soooooooo muchhhhh!!!!

[@ChrisRosser]

You're welcome!

[@FPVian]

While I don't agree with everything in this video, it's really nice to have a voice of reason in this debate. Setpoint tracking is important and stick feel is important too! They're not mutually exclusive and striking a balance is beneficial for HD freestyle rigs

[@billmcdonald4335]

Wish I'd come across this video earlier. Would've saved me bothering someone with a useless e-mail. Chris' advice here is key. Rates in 4.3 make all the difference for smooth, cinematic flying.

[@ugpfpv361]

Finally, I've been saying that his since there were other rates system on other flight system, some well known people said why have different rates systems just get your quad to follow setpoint...

[@ChrisRosser]

Yep. Getting quad to follow setpoint is very important but only half the battle. The other half is getting the setpoint to follow your sticks how you need it to!

[@udidroneracerfpv2745]

Rates really influence the quality of flights a lot. I like the smoother freestyle flight so I use low rates, around 330 on all three axes. For racing flights, in addition to the low rates, I use throttle scale at 85%, which greatly improved my control on the track and helped me lower my lap time.

[@coilockerfpv]

Thanks for the incredibly informative video as always! I've been running stock Emuflight (and loving it) in my FPV Cycle Glide builds because for some reason I couldn't get it to fly really well with Betaflight 🤔. The more I watch your videos, the more I kinda want to try BF again. Maybe I'll give it a shot! 🙏 P. S. The new AOS 5 looks great! Your battery straps are installed incorrectly though (under, over, under instead of over, under, over 😉)

[@ChrisRosser]

FPV cycle frames are very noisy in general (Bob pushes very hard for minimum weight which leads to more vibration). Emuflight default filtering is a lot more than BF default filtering which is why it works on those frames. More filtering = more delay though so it's not a good tradeoff in terms of setpoint tracking/flight feel. Better to have a stiffer frame and run BF 4.3.

[@nerdCopter]

EmuF defaults are certainly over-filtered. Release-notes and Wiki specifically admit it and recommend pilots to tune based on blackbox logs. The wiki gives specific suggestions related to enabling/disabling Dynamic_Filter with relation to the quantity of dTermLPF cutoffs to apply.

[@CORealty]

Cadillac? When have you ever been in a Cadillac? Thought those were illegal over there. Awesome video as usual! I finally understand what that rate square for throttle expo is for.

[@ChrisRosser]

I used to visit the states every 6 weeks so I've been in a couple of Cadillacs :D

[@JoshuaBardwell]

I don't want to sound argumentative, but I strongly disagree with Chris's approach to throttle expo. The main reason is that the hover point of the quad varies so much as its weight changes. So if your throttle mid is correct for gopro on with 1250 mAh battery, it will be completely wrong with gopro off with 1100 mAh battery. I strongly recommend learning with linear throttle, and if you have trouble managing hover or cruise, use throttle scale to bring the overall power of the quad down until you can manage it. The reason throttle is different than the other three channels is that the "center point" of the other three channels is always the same regardless of the quad's weight, layout, and etc. If we were dealing with a PID controller that automatically managed altitude, then having expo around the "center point" would make sense. Since we are not, I feel a linear throttle is the most predictable, and it must be on the pilot to learn to manage it.

[@JoshuaBardwell]

In addition, the throttle position changes depending on maneuvers you're doing. When I started learning to fly, I struggled with altitude maintenance and used throttle expo. I found it was easy to manage altitude in forward cruise, but when I tried to do sharp turns, I lacked precision. The reason is that, when tilting into a sharp turn, you need a lot more throttle, and I was leaving the "soft spot" of my expo curve.

[@Quick-Flash]

Agreed

[@ChrisRosser]

No worries. Rates are super personal so if linear throttle works best for you and you've tried expo then that's great! I usually use a consistent setup on a particular quad. However, if you only use a moderate amount of expo the exact position of Throttle Mid becomes less important. It's also worth mentioning that even with a linear throttle curve the response of thrust Vs throttle is highly nonlinear.

[@pietlopsa9164]

But why are soo many people talking about their throttle feel with diff props and motors? Kabab is one of them. And it certainly is not about having a linear motor response, its more about being smooth and controllable in the low end and snappy in the top end. The throttle midpoint is complete nonsens. I tested it and I didnt like it at all. It felt pretty uncontrollable. I would be happy testing a different approach, to make the throttle feel more linear and therefore more predictable by compensating the "inbuilt" throttle expo. This is because most motor to prop combinations are already having characteristics of throttle expo. I agree on chriss's thesis to first choose a motor to prop combination, that is efficient, low moment of inertia, etc.. and THEN modulate the throttle feel by the inbuilt software. That way you have way more space to achieve your perfect throttle feel. But not by setting a midpoint that is one time at 54percent and the next day its 10deg warmer so therefore the viscocity of the air is higher. So many valuables you have no control over

[@rolliseventeen]

really? i use 2 Presets for my heavier and normal setups. in addition to throttle mid i also changed the pitch setup higher on the heavier builds, because i had the feeling that with the heavier batteries the pitch was a bit behind to roll reaction. i put all my batteries aligned with the frame, so i thought the bigger batts have more affect on the pitch axes, than on roll (yaw maybe also, but....) i cant proove it, but i think more weight has an affect to throttle and pitch. theoretical yaw also, bit i let it there so far.

[@fabstube2392]

very informative, thank you, about the throttle curve, how to interpret the thrust linearization setting? about the advanced dynamic damping setting, what are your recommendations?

[@jorgevasquez6836]

Excellent explanation and perfect help to achieve a pleasant flight understanding what is done. One question, does the new Ao5 v2 frame come with a gopro mount? And battery straps? If it doesn't come, where can I get them please? Thanks.

[@ChrisRosser]

You can find 3D prints on thingiverse and battery straps from your local FPV shop.

[@cheechfpv]

Another Great Video Chris! Next time post your rates so we have an idea what the mad scientist runs 😂

[@ChrisRosser]

I run BF default rates. Throttle MID at 0.25 and EXPO at 0.5. RC Smoothing at 60

[@cheechfpv]

@@ChrisRosser Do you know how much “delay” is added to the RC Link after 50? Thank You

[@ChrisRosser]

@@cheechfpv It's just like gyro filtering so it always adds some delay that gradually increases with the setting.

[@wilmesz1992]

Loved the "typo" What does mater? Along with our cute little buddy

[@mraynor1000]

Loving the updated design Chris. Do you cut your frames yourself or do you get someone else to do it. If so where do you get your stuff made?

[@ChrisRosser]

Thanks! I have a couple of manufacturers, one in China and the other in North America.

[@Finalmile_FPV]

Awesome insight into the nuance of pids vs rates. Are the RC Smoothing values you mentioned acceptable for BF 4.2x or are they strictly 4.3 specific?

[@ChrisRosser]

They'll work for 4.2 as well.

[@UpliftFPV]

Hey @Chris Rosser, I've been following your Blackbox tuning series trying to get a better understanding of how this all works. I got lost when looking for the overview of the log. When I click on workspaces there are empty slots with no names and nothing attached to them. Perhaps you've answered this in a previous video or post but I can't seem to find it....any help would be greatly appreciated. I was sent here from JB and from a few other pilots I fly with...You're the man! Such quality information 👌🏻

[@Dr.KaranSingh]

Hey Chris, Thanks again for another wonderful and informative video. I have a question about how much delay does using 'rc smoothing' adds. Am I wrong to assume, it will add a set number of milliseconds as delay to the entire rc link? Thanks in advance for your time

[@ChrisRosser]

RC smoothing will add delay based on the cutoff. It's a third order filter so it adds a fair bit. However, it only adds delay to the stick inputs not the PID loop so the quad still responds quickly to propwash 👍

[@Dr.KaranSingh]

@@ChrisRosser thanks a lot for shedding light on these important details :)

[@jasoncourville9568]

Very interested in this AOS 5 V2! I fly mostly over natural terrain and around trees and the like. Will it hold up to this? I hit branches occasionally 🤪

[@robertparenton7470]

Thank You. I was about to give up on the carbon quad hobby and just stay with DJI drones.

[@samavella8831]

Hi Chris, Would it be possible to do a similar video for setting up rates for Angle and Horizon modes particularly for indoor flying? Thank you 🙏 Sam

[@kaijupower]

PID tuning is a science. Fine tuning is an art.

[@aphinion]

Can we make this the next AOS swag shirt please? :D

[@moralboundaries1]

Chris, I'm curious about how BF's RC PT2 filter works, can you "explain like im 5" for me? (I tried googling "pt2 filter" without much luck). Also, I was wondering if there is a type of filter that operates on the RPY 3 vector distance delta, and if that could produce better results than 3 filters that operate on each axis. Finally, is there a filtering solution that is more aggressive in the center stick positions than the extremes? Or is having exponential rates basically accomplishing that effect. Cheers.

[@icp-trek]

One of the better contents. At least for me. Thanks for the info. Does it apply differently to 4.2?

[@ChrisRosser]

No it's similar to 4.2

[@romulan32]

I was wondering would ther be less vibration if esc fc and vtx were on the top plate ,instead o

[@TheMkourkis]

Good job on the new frame! I already own your original 5.5 and 7 and just purchased the 5.5v2! In the event this message reaches you or you actually read the comments, why don't you have presets in BF 4.3?????

[@ChrisRosser]

Hi Michael, simply a lack of time to do them. Unfortunately I'm not at a stage where I can do this full time so I have to prioritise.

[@StefanoRavera3D]

the center sensitivity and the expo are in certan way similar? I mean, the expo "expand" the power of center sesitivity? Which first should I change to start my smooth settings? thanks man and congrats for your excellent job!

[@ChrisRosser]

Start with centre sensitivity. Add expo last.

[@StefanoRavera3D]

@@ChrisRosser thanks!

[@ZEFFd]

👍 Great explanation. Can you revisit this topic for BF 4.4?

[@Widflyinghigh]

Do throttle expo work correctly in mode 1? If I adjust the throttle expo is it really just adjusting the expo for the other stick and not the correct throttle stick on the right as in mode 1? BF knows that the throttle is on right in mode 1 and adjust accordingly? I keep my rate expo the same as my throttle expo to maintain consistency because I'm in mode 1. Do you think this is necessary?

[@ChrisRosser]

Throttle expo will work on your throttle no matter how your controller is set up.

[@romulan32]

I was wondering. Would there be less vibration if the esc,fc, and vtx were placed on the top plate and not on the main frame with the motors?

[@romulan32]

Have you tried this before

[@ChrisRosser]

In my experience placing them on the top plate makes things worse as the standoffs amplify the vibrations. The best place for the FC is the centre of the bottom plate in between all the arms. That's the part that moves least.

[@FPVowl]

Hey Chris, I'm more then happy with my AOS5 but definitely I will take AOS 5.5 V2 😅 or even better to take AOS5 v2 and AOS5 👌🏻🤣 Really amazing frames! Where can I order original screws for AOS? Thaaaaanks

[@ChrisRosser]

I think Nick sells spares on cncdrones.

[@justinwalker8364]

Is there a straightforward way of getting rid of the punch out wobbles? Edit: able to get smoother punch outs with 5” props, but as soon as I experiment with something a little bigger “5.2…. Or four blade props” I get these high throttle issues. Maybe I need to just cut the throttle limit down, but I don’t want to.

[@danieledm0101]

I always think this might be the reason why i “feel” my quad flying better with Emuflight than Bf 4.3 even. Maybe the rates of Emu are more matching my type of flying .

[@DreamFlyEcuador]

So is center sensitivity like super rate on older betaflight versions?

[@madforit9661]

Hi Chris , any chance you could help. Still getting desync when i do a rapid flight change. Altered some of the settings after watching your vids, but still having this problem. You never know your going to have desync until it happens, flying freestyle and having snappy movements rolling from one manoeuvre to another, can happen when you least expect it to. Cheers

[@ChrisRosser]

So desyncs occur either due to bad hardware or due to operating good hardware outside a normal range. What max rates do you run?

[@madforit9661]

@@ChrisRosser Hi Chris, thanks for getting back to me My rc rates all on 1 and my rates for roll and pitch set to 80 yaw 70

[@JanRispens]

Biggest question you didn't ask and don't tell: can you adjust Betaflight rates and smoothing in such a way that it emulates the kiss 'feel'. Is it a cinematic setting? (I'm no kiss flyer but watch UAV Tech also)

[@agtjackbauer]

Are any of the 20x20 cut out for m2 so vista unit can screw in?

[@ChrisRosser]

All of them. If you want 20x20 M3 you just drill them out easy peasy.

[@timmytson1]

What's it mean you get rc smoothing in the osd error

[@jefffpv2759]

i play FPS games like quake. Low sensitivity mouse + a bit of accel.... how do i get my sticks to feel similar?

[@ChrisRosser]

Try actual rates with low centre stick sensitivity and your target max rate. If you want even more precision in the centre add expo.

[@jefffpv2759]

@@ChrisRosser thanks. will try

[@RCRitterFPV]

dig it, cart is filled with V2. will there be a V2 7"?

[@ChrisRosser]

I haven't started work on the AOS 7 V2. I will update it at some stage but I have cinewhoops and a cinelifter to do before then!

[@franciswong26]

@@ChrisRosser Wow that's a surprising teaser!

[@rodrigodiniz13]

Does it the frame come with battery grip?

[@ChrisRosser]

No, just the carbon and hardware.

[@jakobgerber4832]

If you find yourself in a position to only be using 80ish percent throttle and you are on 6s then you might consider stepping down a cell to 5s. That way your esc is working more efficiently and you get more flight time.

[@GRANOLAFPV]

In my experience, 6S still offers better performance in terms of responsiveness and reduced battery sag, even why flying in the lower part of the throttle. I get longer flight times on 6S as well, given that grams-per-watt-hour is usually better with 6S (I think). And while the ESC is running less voltage on 5S vs 6S, it’s also pushing more amps as a result. I might be wrong on any of the above :)

[@edouardmalot51]

I don't understand, you live in England but you have an air conditioner ???

[@ChrisRosser]

Yep. Global warming is real and it hits 38C in the summer here now

[@puckspirit2573]

Nah, I feel like only viable scenario for throttle expo is when you only fly one setup. I have three vastly different drones (ok, one is being built rn, but it's gonna be vastly different :D) and I run varying setups on them, so it'll probably just ruin my existing muscle memory and prevent me from acquiring a new one

[@Stygmah]

You just keep the same expo and adjust throttle mid depending on what hover throttle is.

[@franciswong26]

@@Stygmah Thanks for the tips! Chris just introduces where we can find the settings and explain what they are. We need to think how to apply into our quads in order to make it constant amongst them.

[@puckspirit2573]

@@Stygmah well, yeah, you can set it up on several rateprofiles, but it's gonna be a pain in the ass

[@LikWeiLee]

1:30 🟨🟦

[@ChrisRosser]

You noticed 😁

[@jas-FPV]

Awkward a video is needed about that 😄

[@CoppertopFPV]

As someone who firmly made clear my feelings on a certain someone's setpoint tracking obsession this is a refreshingly balanced opinion. We can all agree to disagree as long as people don't start screaming I am right and thus you are wrong. Thougj not directly about it, as someone who loves kiss despite its many foibles there's lots that can be gained from looking at why it is loved by many freestyle pilots. I'd be interested in analysis as to why this is rather than negative trying to score points vids.

[@ChrisRosser]

Yeah, I'm certain the difference is in the rates rather than setpoint tracking as there is not so much difference in setpoint tracking in normal flying.

[@ken.waters]

Geezus it’s like fingernails on a chalkboard every time I hear it. 20 plus years as a process control and automation systems engineer, and no one in industry ever says “pid” (as if it’s a word!) when referring to PID control and/or controllers.

[@Valdemar1]

I set my thr. mid to 0 with 50 expo👴

[@cathrinsardina9027]

???????

[@timothyciarlette8250]

Thanks, just got my AOS 5.5 tuned and maiden flight. Fly's beautiful like my AOS 5. Will be checking into the V2's.