Nice to see a new video Bob ! :) I mentioned to someone those low-kv Smoox motors might be nice for a light 6".. right? :) Should be a nice project but yep.. who has the time
I am really happy that you are back! I missed your amazing quads and flying and I can't wait to see what you will create next! I would really love to get some of the motors because my friend just started out in fav a couple of months ago and he is ready to upgrade to a 5" quad but docent have the money to do so and if I could get the 1750kv set of motors I would build him up a quad and I am 100% certain that he would love it and use it every day! Thanks and I just also wanted to say as a 13 year old pilot who has been flying for just under a year now, you area HUGE inspiration to me fr building insane quads and trying out new things! Thanks!
Bob! Holy shit ya made my morning 😁 been flying FPVCycle motors on all my quads (3", 5", 7", 8", x4, x6, x8, blah blah blah) for a few months now & been very happy with the performance 👌🏼 miss ya thanks for the update!
Follow up after watching vid; I know you didn't say the yellow motors were part of the giveaway, but goddam those look awesome! You should send me a set so I can build a Valentino Rossi Factory Yamaha 2005 MotoGP world championship themed quad cuzzzzzzzz that'd be sick 🤷💯🤣 Plus I already have just about every motor y'all have released 😂 lol fingers crossed on that one tough hahahaha Excited for everything coming up tho & life can get hectic for everyone, I doubt anyone has any hard feelings over how much you upload. It's impressive you can juggle as much shit as you do haha thanks again stay safe & can't wait for the next one 👌🏼
You truly are a mad scientist Bob. I’ve missed your videos of theory, trial and errors. Your outside of the box thinking keeps me wanting more. Thank you
No worries Bob, many of us have encountered this thing you call life particularly since Covid. We appreciate your unique thinking and development of FPV products, as much of that you are able to provide out of your busy world.
I’m always trying to improve my efficiency and speed for chasing @ShelbyVoll and his wings for our videos. Always curious to see what you come up with. I broke my 7 inch and I have been recently chasing him with my 5 inch rig. Thanks 🙏 for what you do and come up with.
Good to have you back Bob. I'm interested in the lower kv motors to build a fast 7 inch to chase drag racers. I can keep up with a 5 inch, but I have to dive the starting line, it's incredible the acceleration those monsters have. I'm trying to build a quad that has, a little more punch, and a higher top speed, I believe their hitting 100-150 in the 1/8 miles. My goal is to take off a hair after they take off, but beat them to the end to get a shot from the front of the finish. I know it's going to have to be really fast to accomplish this. I also would like to help test anything you would want built with a set, and give feedback. I been around for about 4 years, (Papadoc fpv before the name change) glad to have you back.
Glad to see you back at it mate , we missed you had to start doing research on my own ":D Keep it up bro i know we all busy people ! thanks for your inputs on all the things you do ! Super valued in this community!
So awesome to see a new video from you! Looking forward to more. I really like the look of the neon motors. No other manufacturers to my knowledge make brightly colored motors. I'd love to see a neon pink or blue as well.
Very happy to see you back making content. Life has had me out of the norm for a while too. I still fly often but haven't had time to be active in the groups. Looking forward to seeing where you take your designs, brother. Welcome back.
Subbed a while ago after trying some of your motors that have become my daily fliers and super stoked to see you back on here putting out more quality content. Thoroughly enjoy your research and analysis and look forward to seeing more.
I am so glad to see you come back, as an engineer your videos just resonate with me and I cant get enough of them. I can't believe you've got Smoox 1750kv motors! That is the perfect motor for me, from my testing I have found that I prefer lower kv for the way I fly, 1700kv felt too extreme, 1900kv felt too much and 1750kv felt right on the money, it gave a little more low end throttle control over 1700kv whilst still giving me very good feeling and proximity precision. The smoox motor is the best one I have tested so far but the high kv makes it unsuitable, I can fly it but I just miss that grunt of the low kv, so to see that motor at 1750kv is perfection. I would obviously like to win them, I cant say I would do anything fancy with them but they would absolutely be going on a 5" and I can say from my testing they will become my main quads motors until I break them and cant replace them. I would even offer to buy them off you. PS. The Sonicare is SUCH a good looking quad!
interesting; I am in the process of building a 450 "Dead Cat" from the old days, with modern equipment, for the same extended flight reasoning, sorta. My goal was to chase a fixed wing from takeoff to landing, a 2-3 LiPo affair with my 5" fleet. I plan on Molicel 21700's in a 4s2p (and up) config, as those cells have rejuvenated all of my fixed-wing fleet. Looking forward to seeing more/learning more. Thanks!
Intesting. What size props are you planning on using? 6" would be very efficient with these low kv motors albeit slow. Message me on Facebook please. Bob Roogi.
Glad to see you back, Bob! 😃 About the motors, I would probably try to build a light 5" for 4s long range... That's something I've been thinking about. But don't add me in the giveaway, shipping anything down here from there is really expensive. 😕 Anyway, stay safe there with your family! 🖖😊
Good to have you back my friend. I would love to build a 6" set up that I've been planning to build with my son. The 1750s would be great in my opinion. We are looking to build this to film my brother dirt bike events. I've also been getting into cad (construction background) and playing around with making my own 5" frame. Still in the beginning stages of sketches but would love to try them out on that as well. Keep up the great work brotha, we are all lucky to have you in the community.
Hey Bob, I am actually experimenting with my 7 inch X8 Rekon. I am running 2004 motors (totally over propped). So far going really well, running a 4S LiIon 4000mah pack, with a Hero 8 on top. The entire build is under 1kg. Loving the X8 sound and feel so far,
Welcome back mate, we have missed you a lot! Here you could have a volunteer to try all you need, unfortunatly im not having job atm so i can dedicate my full time for the hobbie and i would apriciate a lot to help you😊
I love your input on prop performance, If you ever have time for or care to do more remember you always have an audience that would love to listen. Im senior in college for drone design (k state Salina) and im so glad to hear you want to get back into youtube. Have you ever considered livestreaming? I Think your audience (myself included) would love to have an opportunity to ask you questions get updates on anything you can think of. Keep flying
Not even joking but I was watching last video last night and was wondering when you were going to upload next and here we are. Enjoy the videos! Gonna have to get some of your 5 inch motors directly from you since we don't have anyone that sells them here in NZ yet. Might get some of those 7inch motors as well. They look great!
Left off playing with 10inch and went to 6s on 3115 and 640kv motors for a cruiser. Goal was to rebuild with 8s ESCs to make use of plentiful 4s packs to run in series to put me back around a 900kv range for performance. 900-1050kv on 6s with a 10inch was a rocketship but I ran into tuning issues I could not fully tune out, probably filtering issues. At 640kv I was locked in and immediately happy. Went back to playing with the cars instead of FPV after starting to play with something stupid large.
I'll work on the 3.5" cinewhoop project w/ duct/guards. I believe 3.5" has so much potential for not many people delving Into it yet. I also like that you can make almost any build on that Toothfairy 2 frame. I'm looking at getting the Medline Single axle gimbal to attach my bones to so I can change my camera angle depending on how fast or slow I am chasing something.
@@Kabab I've been considering getting that 3.5" TF on your site w/ the guards. I like with my 3.5" tarraplane, 5" glide, and 5.5" I run the same 1300mah battery
personally, i wasn't so stoked about 3.5" performance, it isn't very drastic compared to 2.5"-3" upgrade. I would even say lighter 3" whoop can fly better.
Would love a set of the motors for a 6's long range. I've got everything for the build but the frame and motors, looking to make it light as possible to carry as much battery as possible. Really glad you're back making videos even if at a slower pace, great content!
Good to see you back. Hopefully for good this time. Notice in your last few videos you said the same thing but we all get it. I stop making videos as well but still fly daily or as much as i can.
Welcome back bob! Out of curiosity... Have you experimented with some kind of wing shape for providing more sustained thrust for your go pro carrying use cases? Especially since you're moving that fast and our quads are just flying bricks .. I'm curious if the increased surface area = more friction and will slow it down or the lift provided will actually make it more efficient.. Either way, good to have you back!
Not for any regular arms. The cost goes up so much it's not worth it. The benefits are really small in normal arms. It works particularly well here because of the spars
hey there, nice to see that you are still alive ;) I guess I´d be interested in the 1550kv motors, as I thought a lot about building a 6" octo in order to carry my naked BMPCC4k , maybe even make it a ducted kwad, who know´s if that might work better 🤷♀ (well yeah, that way I might finally be able to take um some more professional work before turning major which would be another dream come true^^) cheers, and good luck from germany for your next projects :D
Hi Bob, this is for a set of your motors 😁😁😁. I've been out of quad building for few years. I keep up with the news but I have a half built quad that stopped because if a bad motor and I can use your motors to restart that build. Anyways good to see you back.
Hey Bob nice to see yo rippin again!!!!! Talking about motors I struggle a lot with keeping up with high speed targets just like cars and boats ,birds and mountain cruising is also something that would look good at high speed I am still in process of designing new frames heavily inspired by DAVE C's old designs and AOS7 your motors would go on perfectly with them I guess.
I fly 6-15+ batteries a day on the 2.5" whoop platform for work and i'm always pushing them to be better and more stable. I've built multiple cinelogs, Qav-pro 2.5's and snapshots. I would love to test the octo 2" and compare it to the existing platforms I currently use daily. This sounds like it could be perfect for the types of work I am currently doing. Side note I just thought of. Being able to slow down even more for indoor would help a ton in lowlight since you don't have to worry about shutter angle vs frame rate as much.
@kababfpv have you experimented with a standard hex? I know it’s just a giant form factor unless you invert the middle motors, but would that potentially give you better speed/duration on a properly setup craft? I don’t think there’s been a whole lot of attempts with them since the early days of fpv. Outside of the tiny flywoo stuff.
I just started flying ur Sonicare frame with zing2 2207 1855kv and I just love it. Im running the same moters and setup mostly on my AOS 5 v2 and yet I like the way the Sonicare Flys a little bit better. Its lighter and feels More locked in... I wanted to fly a set of ur 6s moters on there but they've been out of stock for so long. Anyway thank you for all ur innovations
I would like to try a 6 motor "H" build... As in 3 motors in parallel on each side and see if there is any benefit/downsides to adding an extra motor in between a normal quad "H" design. More like a sideways "H" really so no props in view like the old lynx frames from the 2019's. just got a CNC router and need to assemble and any of these motors would get me going in the right direction... Good to see you back on here Bob. I absolutely love your videos and got excited when I seen you posted today!!! Hell yea man, can't wait for the next one now I know it's coming!!
On wings I've noticed the taller stators put out more top end speed but are less efficient , throw some of HQ 8x5 biblades on your 3106.5 and you should get great speed/efficiency.... You always get more efficient on larger props but you'll lose some performance(slower roll/pitch rates) , I would go for a 1800-3300mah 6s on 8" depending on flying style needed
Glad you're back! I think those 1550kv would be great for a "Low noise" light weight build using a 6 bladed prop like the HQProp 5X4X6. Sometimes not scaring people with prop noise is more important than efficiency.
@@lorinwingtips5290 you lost much more flight time because the 89mmx8 are too small and low pitch. Just try hq 4x4x6 and you will be so happy. I've went through all the Experiments with the 6~8 blade props. The hq 5x4x6 and 2807 1700kb motors is like a whole new build you will need. If you push those props you will melt you xt60. Just experienced that. You need a slolid esc and know the right esc settings too.
Right on time! I was just chasing fast things last weekend and was thinking I needed a different set up for efficiency and longer flight times bc I missed a couple moments having to land and change my battery. Looking forward to what you come out with next kabab, cheers!
Nice to have u back my man. Weve missed ya. Id love to take any of those motors. Im almost done making my first video for my channel im starting called FrankenQuadChopShop. My first video is actually gonna be about my first Frankenquad i made which is a 2s TP3, but what made this one unique is i used a tinyhawk freestyle AIO board, took some effort to get on the tp3 frame, but my god it was glorious and im sure is litterally the only one made. I have a few other builds comming up that although people may not want to build it, theyll be glad i did and made a video about it so they could enjoy it. I usually do smaller builds, but have 4s batteries and such. I would love the chance and opportunity to do u proud and make somthing fantastical. What i can say is all my builds involve using things that arnt ment to go together, taking what i have and making it into somthing awesome and unique. I cant say more than that cause id like a couple days to really think it to life. I love your content and work u do for us all, i hope u decide to give me a shot on this, u will not be disappointed.
Bob it’s funny you’re giving away an original set of imperial motors because I’ve been working on building a storm trooper 5 inch quad. Basically the theme of the quad is all black and white TPU with all white motors and what goes better with a storm trooper quad then imperial motor. The frame I’m gonna use is WoodchuckFPV Wasp 5 inch. He’s a really good friend of mine that does everything he can to help out the community designs and cuts his own frames. With all that being said it’s amazing to see you back making videos and I hope to hear from you soon
Glad you're back! Some very nice battery straps on that X8 ;) For increasing cruising speed I believe a major factor is the drag of the battery and main body. One way to solve this would be to tilt the main body closer to the angle the craft will have while going in fast forward flight. Oscar from MadKwads
Had you not signed that as Oscar from madkwads I would have missed you for sure 😂. I'm going back to basics and just gonna reduce cross sectional area in forward flight as you suggested
Took a tolerance break from fpv as well. Really cool experiments with the X8. Would like to see a toothpick scale version for the heck of it. Currently running 5s with 2150 kv motors but would be interested in building a semi lightweight 6 inch with those 1880kv motors. I think I would get good efficiency out of them running biblades and can achieve higher cruising speeds. Only thing is I only have 1550 mah 5s lipos so flight time would be around 5-6 minutes. Need to find a lightweight 6inch frame that is still durable enough for high stress flying.
Finally Kabob is back!!! Its nice to hear some new insights from you. I would like to get some motors (who does not?!). I would like to build a custom tubular quad (similar to Timmy RC) but with some tweaks to the general design and the motor mounts. Its just gonna be fun no matter what ;)
The plus config at the end looks very cool and promising! I was even thinking on smaller props (and motors) for rolling since whoops don't need that much agility. Then, get the true performance from the larger props front and back. It would also make it more compact for smaller gaps (lateral), an less noisy since props wouldn't overlap as much
well as much as id love the bigger motors i dont fly anything but micros being a cancer survivor twice over I was left with a brain tumor and a seizure disorder and unable to work so I now live on a very small fixed income and in all honesty just cant afford to fly bigger quads no more not that i dont wanna its i really cant i have a hard enough time keeping my 3 in and smaller quads in the air. the 2 inch octo would definitely be up my alley as i have nothing but time and i love to tinker and work my brain out. so if ya ever need any help in the micro,whoop,toothpick,twig class stuff id be 100% willing and very thankful to do what ever i could to help. thanks for all you do Bob i have been following your channel for years now the naz32 board is how i found you and have been hooked ever since cause you go above and beyond to try to change the game as we know it and i truly admire you for that so again thank you Bob for all you do
@@Kabab yea its rough even after its over. Sadly being left with the side effects of skull (bone) cancer things for me sadly never went back to normal but at the end of the day i have my life and thats what truly matters
I have been working on an entirely 3d printed tpu material frame and looking for a motor that would give me better efficiency but still have the robust power I need to make it perfect for freestyle. It's running a mamba 75 amp race esc and a mamba mk2 fc. It's currently running dys motors but I know there is more room for improvement. Thanks kabab for everything you do in the fpv community. Your work really makes me think about what kind of innovations and improvements I can come up with to contribute to the community. 🤟
Tpu frame is gonna be really difficult because tpu is really heavy/dense. It's also a bit elastic so it'll wobble a fair bit. Maybe if it's really small and light?
Excited to see the new experiments. What is the difference between pyro and fpv cycle did you break off to do your own thing or just start a second store
My FPV sweet tooth has been hurting, where ya been doc? Lol. Miss your in depth looks at…..everything quad. I too love experimenting with motors and frames, (on disability, so I can fly everyday) but I have to tell you, I’m down to winding my motors that are still alive. Yes, even my 2 and 3 inch tiny motors , try that, fpv’rs! Ok, it doesn’t always work 🤷🏽♂️
With everything getting a little sketchy with RMID and all that. I’m wanting to build me a a sub 250 5” and those motors would get put to use on that. I love the innovativeness. You should get with Derek over at KinFPV. He’s got a wonderful brain too. Nice video man. Keep up the good work. Glad ur back!
I understand the logic behind different size/pitch props top/bottom on coaxial setups, but what's the actual train of thought for using different kv motors? Having a higher kv motor on the bottom surely doesn't 'make' the bottom prop actually spin faster than the top, because it's still the FC that's going to spin each motor exactly how fast it wants to (regardless of kv). If the FC does in fact end up telling the bottom motors to spin faster, then using a higher kv motor just reduces the throttle/pwm values sent to those bottom motors compared to the top, right? Is the thinking that in this situation a higher kv motor is more efficient operating at a comparatively lower throttle/pwm value than a lower kv motor would given an otherwise identical setup?
The FC doesn't actually know what motor is what kv. There will always be an rpm difference between the top and bottom. You really don't need to have different kv motors however. You can do it in software, the command just isn't really clear at the moment. Overall, without the FC involved, you want an 8-12% difference in rpm between the top/bottom for somewhat more efficient operation. We're talking about maybe 10-15% more efficient. Not really much but also not insignificant. This can be completely ignored and it doesn't matter but what's more important here is that changing props on top/bottom doesn't really do anything to help either. What does help is having a light craft and turning off the top or bottom but that sort of doesn't make sense to do. If this worked out, I actually had plans to create air brakes of sorts. Spin the top props backwards to slow down the craft without changing altitude....it would be a bit complicated but would actually work to some degree.
@@Kabab Ah I think I get it - my confusion was thinking about flat setups where the FC can (effectively) determine how much thrust it's producing from each motor because there is only one motor at the end of each axis. With a coax setup, the FC has no way (ignoring any sort of telemetry) to determine how much thrust is being produced from top vs bottom motor on any particular axis, so will send very generally similar PWM values to both (assuming a flat hover scenario with no yaw). So by using a higher kv motor on the bottom, we ensure that we actually get the 8-12% higher rpm on the bottom even though the FC can't detect the lower efficiency/thrust of the bottom motor & react appropriately by explicitly sending higher pwm values to the bottom motor? I've been flying Arducopter Y6 for years, but never really given too much thought to the whole subject of top/bottom wrt props/kv. I honestly build them because I like how they look 🤷
nice video and welcome back. I am not sure what level of attraction is required to receive a set of your give-away motors. My interest is smooth flying with a reduced noise level. I am trying to accomplish this with non linear filtering. The current outcome is promising.
Hi Bob, great to see you posting again! Interesting findings as always! I'm a 15 yo fpv pilot and I have been working on a new design of an ultra lightweight and low drag 6" drone to keep up with full scale aircraft. So far I have been flying my fr7 long range drone, but it tops out at around 80 witch isn't quite enough to keep up with some of the aircraft I want to chase. Would love to test out a set of those motors on the frame!
I'm building a 7inch x8 - I'm still finding it unclear what kv differential for the top and bottom. You said the 9% difference is best for efficiency but 1450 and 1250kv is a 16% difference. Which is best?
Realistically the difference between 9% and 16% is undetectable. If you want to have a difference, aim for that general range and you can expect minor improvements.
