🔥Betafpv 75Pro 2S PROTOTYPE (?)🔥 | ⚠️1102 18000kV is PERFECT for 2S with 45mm Props! ⚠️| 🔥POWER🔥🚁

  Рет қаралды 1,705

ButterflyFPV

ButterflyFPV

Күн бұрын

Hello my whoop friends. I developed this 2S whoop with a friend and we learned a lot from it. For example, 2S is more sensitive to (wrong) ESC settings than 1S (it burned down!). And that motor prop combos that work well for 1S (betafpv meteor75 pro → 1102 with 45mm props) often also work well for 2S. The concept of high kV motors (so that the pid loop works well and there is always enough power for every motor in every flight situation) also works great on 2S of this size (in combination with throttle cut scale 60%, throttle mid 0 and throttle expo 0.6 to tame the throttle). We also learned that the 2S can also be flown very quickly indoors if you have the right flight level (it's not easy). But also that you can fly faster with 1S (with preheated lipos) and also fly quickly more easily. We also learned that preheating Lipo to 40 degrees Celsius also works with 2S and is also a lot nicer to fly. The 80mm 1102 18000kV has become a great whoop that has taught us a lot. It's not faster than fast 1S whoops on medium-sized indoor racetracks like in the video, but it's particularly nice to fly. It would only be faster than 1S or as fast with the same weight. We also tried that with a homemade 2S 220mah 45C Lipo. However, the C rate is too low and as long as small 2S lipos with a high C rate and folded cells are not available, it makes no sense. The bottom line is: If you have 1102 18000kv motors and a 12A 2S AIO board (you have to take of a little bit of the frame ducts to fit the flightcontoller) and 2S 300mah 80C Lipos or 2S 380mah 90C then it's worth building this whoop. Otherwise, it's better to concentrate on 1S with high kv. If I forgot something or have any questions, please feel free to ask them in the comments.
Have fun recreating the whoop!
Happy whoopin! Whoop whoop! :-)
0:00 start
0:20 Sound of the whoop
0:51 First racetrack with 80mm 1102 18000kV 2S
2:31 Second racetrack with 80mm 1102 18000kV 2S
4:40 Third racetrack with 80mm 1102 18000kV 2S
6:02 Flight with 85mm 1103 11000kV 2S
8:51 Flight with 65mm 702 28000kV 1S
9:52 Pictures and Video of the 80mm Whoop
11:27 Pictures of the 80mm Whoop
12:10 Betaflight and Bluejay settings of the 80mm Whoop
12:41 Hover Flighttime with selfmade 2S 220mah Lipo
13:11 Hover Flighttime with 2S 300mah Lipo
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Пікірлер: 39
@butterflyfpv
@butterflyfpv 4 ай бұрын
Hello my whoop friends. I developed this 2S whoop with a friend and we learned a lot from it. For example, 2S is more sensitive to (wrong) ESC settings than 1S (it burned down!). And that motor prop combos that work well for 1S (betafpv meteor75 pro → 1102 with 45mm props) often also work well for 2S. The concept of high kV motors (so that the pid loop works well and there is always enough power for every motor in every flight situation) also works great on 2S of this size (in combination with throttle cut scale 60%, throttle mid 0 and throttle expo 0.6 to tame the throttle). We also learned that the 2S can also be flown very quickly indoors if you have the right flight level (it's not easy). But also that you can fly faster with 1S (with preheated lipos) and also fly quickly more easily. We also learned that preheating Lipo to 40 degrees Celsius also works with 2S and is also a lot nicer to fly. The 80mm 1102 18000kV has become a great whoop that has taught us a lot. It's not faster than fast 1S whoops on medium-sized indoor racetracks like in the video, but it's particularly nice to fly. It would only be faster than 1S or as fast with the same weight. We also tried that with a homemade 2S 220mah 45C Lipo. However, the C rate is too low and as long as small 2S lipos with a high C rate and folded cells are not available, it makes no sense. The bottom line is: If you have 1102 18000kv motors and a 12A 2S AIO board (you have to take of a little bit of the frame ducts to fit the flightcontoller) and 2S 300mah 80C Lipos or 2S 380mah 90C then it's worth building this whoop. Otherwise, it's better to concentrate on 1S with high kv. If I forgot something or have any questions, please feel free to ask them in the comments. Have fun recreating the whoop! Happy whoopin! Whoop whoop! :-) 0:00 start 0:20 Sound of the whoop 0:51 First racetrack with 80mm 1102 18000kV 2S 2:31 Second racetrack with 80mm 1102 18000kV 2S 4:40 Third racetrack with 80mm 1102 18000kV 2S 6:02 Flight with 85mm 1103 11000kV 2S 8:51 Flight with 65mm 702 28000kV 1S 9:52 Pictures and Video of the 80mm Whoop 11:27 Pictures of the 80mm Whoop 12:10 Betaflight and Bluejay settings of the 80mm Whoop 12:41 Hover Flighttime with selfmade 2S 220mah Lipo 13:11 Hover Flighttime with 2S 300mah Lipo Also note the other videos on this channel, the option to subscribe to this channel and my other channels.
@user-wt5hi1ep3d
@user-wt5hi1ep3d 4 ай бұрын
👍👍👍 danke das du immer soviel Infos bereit stellst die sind hilfreich 😊😊
@butterflyfpv
@butterflyfpv 4 ай бұрын
Gerne! Danke! Das motiviert mich weiterzumachen!😊🤜🤛
@AsgardStudios
@AsgardStudios 3 ай бұрын
Fantastic flight! Snappy turns hitting those gates
@butterflyfpv
@butterflyfpv 3 ай бұрын
Thank you! Yes, it's slowly getting better with the snappy turns. I'm not quite sure if I really like this flying style, but I think to be really fast you have to master it. Especially with drones with limited performance like tiny whoops..
@mstrout
@mstrout 4 ай бұрын
It's so cool to see you making these little 2s monsters ❤
@butterflyfpv
@butterflyfpv 4 ай бұрын
I had to try it 🙂
@ErikWTN
@ErikWTN 4 ай бұрын
Looks like it rips! Nice flying and cool tracks! I like that you included info about the quad at the end. You might try teasing that in the beginning to let people know the info is at the end.
@butterflyfpv
@butterflyfpv 4 ай бұрын
Yes, it flies really well! I am very happy with the experiment and what we learned from it. Ok, thank you for the tip. I thought it was right with the reference to the chapters... don't you think?
@flipfpv
@flipfpv 4 ай бұрын
@@butterflyfpv Haha - yeah, my bad. I guess I hovered over the thumbnail for a few seconds before I clicked on it because the video started after your notes.
@siskel82
@siskel82 18 күн бұрын
I love it got a 2s walksnail 75mm on the 1102s motor limited to about 70% and its one of my favorites
@butterflyfpv
@butterflyfpv 18 күн бұрын
Nice to hear! Thank you for your feedback! I appreciate that! I wish you many good flights with it! Whoop whoop!🥳
@siskel82
@siskel82 18 күн бұрын
@@butterflyfpv id love to discuss the esc setting you came up with I burnt a board during my testing as well
@butterflyfpv
@butterflyfpv 16 күн бұрын
@@siskel82 My esc settings are in this video min 12:11. But I have to say one morning when I wanted to start the whoop, an esc suddenly stopped working properly. However, I often crashed hard with the whoop the evening before. I can't say what the cause was. Whether the hard crash was the cause. Or whether 1102 18k might be a bit too much for 12A ESCs.
@siskel82
@siskel82 15 күн бұрын
@@butterflyfpv well I went back and looked on my phone I couldn't read them lol but I think that is probably a little too much but riding the edge lol
@butterflyfpv
@butterflyfpv 15 күн бұрын
@@siskel82 bluejay 0.19, 96khz, ESC Power Rating 2S+, Motor Timing Low, Dmag comensation High, RPM Power Protection (rampup) 7x, Maximum Startup Power (Protection) 1128, Maximum Startup Power (Boost) lowest position (1000?)
@Sugalime3D_FPV
@Sugalime3D_FPV Ай бұрын
Ok i maybe gonna try to combine my BETAFPV 1102 18kKV with BETAFPV 2S 12A AIO, TCMMRC 75 mm TP-frame and 2 bladed 45 mm prop. 300mAh 2S 50C Lipos.
@butterflyfpv
@butterflyfpv Ай бұрын
Yes good idea but not with the 50C Lipos. 80C or more. And im not sure with open props. Maybe you will burn an ESC in a crash..
@Sugalime3D_FPV
@Sugalime3D_FPV Ай бұрын
​@@butterflyfpv I'm doing 3D mode FPV & LOS. Yeah i'm still not sure if i'm gonna do it... 18kKV is high. Is like 36kKV on 1S. Also an idea would be to use it on a 65 mm frame with 35 mm props. Little ultra power bee. 😁
@iammostwanted777
@iammostwanted777 4 ай бұрын
i'm planning to upgrade my motor to 2s, but most of my batteries are 1s 450 - 550 mah, is it still good to fly with those batteries weight?
@butterflyfpv
@butterflyfpv 4 ай бұрын
No, I do not think so. At least not for racing. I would say for racing a maximum of 2S 380mah 90C. With larger lipos I would recommend a mobula8 sized 85mm build with 1103 11000kV motors (or more kv if that's available)
@junkthe
@junkthe Ай бұрын
This is the same spec on Cetus Pro, would that be coincidence ? Capable 2S.
@butterflyfpv
@butterflyfpv Ай бұрын
Cetus Pro is 1S?: betafpv.com/products/cetus-pro-fpv-kit. Cetus X is 2S:betafpv.com/products/cetus-x-fpv-kit
@junkthe
@junkthe Ай бұрын
@@butterflyfpv only the battery frame mounting 1S. Did you realize ?
@butterflyfpv
@butterflyfpv Ай бұрын
@@junkthe You mean because of the spec of de Fightcontroller? Lite 1-2S FC. But is it 12A ESC? I don`t think so. You can`t run 1102 18000kV on 2S with a 5A ESC.. You will burn the ESC very fast.. And by burn I mean burning with real flames..
@junkthe
@junkthe Ай бұрын
@@butterflyfpv luckly it's not 5Amp.
@butterflyfpv
@butterflyfpv Ай бұрын
@@junkthe well then.. but the weight of the cetus whoop is very heavy..
@dezelvol
@dezelvol 3 ай бұрын
Power is insane, but flight time is attrocious. The more spare power you have, the less time you fly. Are you going to go further and try something like 1003 22k on 2s? It should be a blast. Can you include Ampere readings in your DVR, please? It's not accurate, but it's good enough for battery usage comparison between a builds. Especially, when using same board.
@butterflyfpv
@butterflyfpv 3 ай бұрын
That's not quite right in my experience. The higher the kv, the lower the internal resistance and the more efficient the overall system. It really depends on what you do with the whoop. In my case the flight time is of course shorter because I can use the power, that's true. But that doesn't bother me. 1:30-2:00min full send is enough for me. And full send means full send in this case 🙂Yes, I can try with the ampere readings on the boards that have a built-in ammeter. I don't think I'll test another 1003 22k on 2S. I think I'll stick with 1S. Perhaps. But only when I'm done with all 1S projects... And that can take a while xD
@dezelvol
@dezelvol 3 ай бұрын
​@@butterflyfpv it's a bit more complicated with efficiency and resistance. But for racing you don't have to care about it much.
@butterflyfpv
@butterflyfpv 2 ай бұрын
@@dezelvol Honestly, it's just my experiences from testing nd racing. What I know 100% is that high kv motors and low resistance throughout the system are the most efficient for whoop racing. As long as you mainly move in the most efficient speed range of the motor. And if you want maximum possible power for the entire flight. So as you say it's complicated. But the principle for me is: the lowest resistance of all parts in the system is the best for me and racing.
@dezelvol
@dezelvol 2 ай бұрын
@@butterflyfpv there is great motor testing on SiieeFPV channel. Basically, motor is most efficient on it's rated max rpm with some load. It's because throttling of brushless motor is highly inefficient. But prop is getting less efficient with rpm. So people often confuse motor and prop efficiency. Less resistance means less torque on same rpm and load. But higher kv motor will make more load on prop as it will try to reach more rpm on same throttle. It creates illusion of more power. But if you compare less kv will bigger prop with more kv and bigger prop, it'll be identical. Except, bigger prop is mechanically more efficient. I've tested bunch of motors and from efficiency perspective, you want smallest and slowest motor as far as it can handle weight. 75mm 0802 19k kv can hover 10 minutes on 720mah. But this time will reduce if you use 25k kv. Also additional power will reduce flight time even more of you push it. Sure, I can be wrong, it's just my experience. It would be nice to see your Amp ratings on DVR.
@butterflyfpv
@butterflyfpv 2 ай бұрын
@@dezelvol Yes it`s very complicated. I watched some videos from siieefpv. The only thing I can say for sure as a Racer is that low kv makes no sense for racers who want a 5inch like flying. And if you do everything right with high kv (ESC firmware settings, no motor plugs, AWG20 main cable, BT2.0 main plug, Best Lipos with the highest C-Rate, low pitch props) you can fly it long enough and have the best possible power. Of course, you can hover longer with low kv. But this is only of interest to beginners or cruisers. The low kv motors are not efficient in racing mode. Especially because the power in half of the lipo is already so weak that you just crash around (or you have to slow yourself down extremely). So you can't use the entire possible flight time with low kv in the real world (of fast racing).
@crs768
@crs768 4 ай бұрын
Winning Whoop racers use Betaflight crash_recovery. Should you?
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