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They would, on this video they run on 1s. Although I would rather recommend 19000 kv for 1s if you want to fly faster.

In the description: AUW: 35.5g (all up weight)

Yes. But not for range but for smaller latency. Flying in small spaces require fast response which is much better with crossfire. And also I must say that indoor there are much more 2.4GHz noise from wifi which also makes frsky less ideal.

Exactly, XT30 connector are much heavier, but they give so much less battery sag that compensate for the weight. You must remember that new PH plug might work fine, but after few cycles of connecting the battery they tend to get hot during flying (which indicate some resistance and voltage drop). XT30 you may use few thousand times without any degradation in performance. Thanks for your kind opinion.

What was the kv of 0603 motors and what was the kv of 0802 motors?

@@tomaszegowski16070603=19000 kv 0802=mobula 7 original ones, 19000 kv

I really can't think of the cause. How heavy is your whoop with battery? us65 original props as far as I can remember have 0.8mm hole, 0802 motor have 1mm shaft. Did you have a proper hole in props (are they sitting firmly?). Check if all the motor connection is ok. Wiggle the connectors. With battery connector do the same. Reset all the flight controller settings, reset all blheli settings.

I doubt he had a current sensor there so it's probably the virtual current that guesses amps based on prior calibration and throttle position.

PS: Both the 0802s and 0603s are 9N12P motors, I just counted the stators and poles in my 0603.

Came here to find the answer to this.

Crazybee flight controller which comes with uk65/us65 has a tx and rx dedicated to control video transmitter via smart audio. I used the same rx, set it to crsf and soldered crossfire nano.

Thank you!!! I managed to do it! Soldered the nano to the rx3 and tx3 and then soldered the vtx smartaudio to the ch4 of the nano :) No more D16 buggy failsafe ! really nice! Thank you again!!!

Managed to do it!!! Rx3 + Tx3 then smartaudio to the nano itself (ch4)

I use crossfire on my whoops. The 99 rssi ('link quality' to be precise) is accurate. You need to fly really far away to get lower link quality with crossfire.

Now i am using futaba sfhss. I dnt know why the distance very close..not reach 100m. Less than 50m. What tx u use? Tbs nano rx?

Never used futaba, but if it's working on 2.4GHz in house with wifi than this may cause some problems. I use crossfire micro TX set to 250mW and crossfire nano RX with one dipole antenna situated on the ducts of the frame.

Bardzo polecam. Jest super lekki, niezawodny i działa szybciej (ma mniejsze opóźnienie). Problemem są tylko trochę dłuższe anteny, bo trzeba je jakoś umieścić na małym dronie, ale warto się pomęczyć. Oczywiście zasięg który crossfire oferuje nie jest potrzebny w małych dronach, bo daleko i tak nie polecą, ale z drugiej strony małymi dronami lata się w pomieszczeniach, które są zabrudzone w paśmie 2.4 i 868 crossfire oferuje większą poprawę niż niektórzy twierdzą.

My pleasure.

Thank you.

I don't think 0703 motor is any better than 0603. All 0703 motors I've tried were in 9n10p configuration (9 coils 10 magnets). I think 9n12p is a better solution and this is the one used in 0802 motors. So in my opinion 0703 will not be OK.

@@tomaszegowski1607 k have them on my 75mm

I definitely recommend 0802 instead of 0703. Especially on 75mm

Ja bym wybrał happymodel 0802 19000kv. Niby 0802 jest cięższy i niby ma mniejszy kv, ale ma dużo większą sprawność. Na tych samych śmigłach bierze mniejszy prąd przy podobnym ciągu. W efekcie bateria mniej siada i dron lata żwawiej. Poza tym lata dłużej.

@@tomaszegowski1607 Testowales kiedys ten frame od Rakonheli 66mm z wlokna weglowego i aluminiowe pierścienie do smigiel?

Nie. Te ramy wydają mi się dość drogie i dość ciężkie. Jeszcze nigdy nie połamała mi się rama betafpv, czego nie mogę powiedzieć o ramach "flagowych" w stylu Us65. Ale taka rama carbonowo - metalowa może być ciekawa że względu na dodatkową sztywność, co zawsze poprawia właściwości lotne.

@@tomaszegowski1607 duza jest roznica pomiedzy ramami betafpv a tymi od ur65?

@@filippolewaczyk Moim zdaniem nie ma większej różnicy między ramami betafpv a tymi UR65.

Happymodel and betafpv 0802 motors are compatible with uk65 frame. Although I think the ur65 frame and especially betafpv frames are better (they don't break)

Tomasz Łęgowski yeah I second that, the betafpv frames are kinda rubbery and very durable!!

Eachine 4 bladed 31mm props are good and they work good when drilled to 1mm. New gemfan whoop props are good.

@@tomaszegowski1607 thanks man!

You mean 0802 and 16000kv and 19000kv? I so, I definitely recommend 19000kv for ur65 type whoop with 31mm props on 1s.

@@tomaszegowski1607 yeah I miss pressed, I meant 0802. Thanks for getting back to me, it's a real help.

Yes it will.

Dlaczego masz mieszane uczucia? Ja uważam, że bardzo się opłaca i teraz wszystkie 0603 poszły w kąt. Polecam jednak raczej 0802 19000kv niż to 17500kv z filmiku. 17500kv pod koniec baterii jest troszeczkę słabawe.

@@tomaszegowski1607 bo prędkość chyba podobna? a te 080219000kV nie będą też szybciej chlały lipo? a co sądzisz o 0803? testowałeś już może?

No prędkość podobna, ale prądu bierze o jakieś 40 procent mniej, więc czysty zysk. Można założyć mniejszą baterie i latać krócej ale zwinniej, albo większą i latać dłużej. Co do 0803 to nie próbowałem, ale to jest temat do przemyślenia tylko przy lataniu na 2s i na dworze. 0802 na 1s jak tutaj nawet nie są ciepłe. Natomiast zysk z łożysk kulkowych (nie wiem czy 0803 już je mają) uważam za dość watpliwy. Faktycznie małe silniki z łożyskiem kulkowym chodzą lepiej, ale te małe łożyska kulkowe są nietrwałe. Łożyska olejowe w 0802 i 0603 są faktycznie dość wibrujące, ale za to twarde.

@@tomaszegowski1607 hmmm ale 0802 nie mają już czasem łożysk nornalnych???

0802 mają olejowe takie jak 0603. Widziałem na własne oczy. Zarówno te happymodel jak i betafpv.

I set my crossfire to 150hz mode with telemetry. Rssi on eight channel showed on osd on upper left corner. I have been flying with a sound ringing when crossfire sets itself to 50hz mode and still then felt like it was faster than frsky.

Tomasz Łęgowski could you share your wiring? CRSF on Rx3 and Tx3? What about SmartAudio?

I use only 3 wires for connecting crossfire nano to crazybee flight controller: 5v, ground and Ch 1 out set to crsf protocol. Crsf wire is connected to rx1 on the flight controller (so I can't use smart audio for the camera). You may use one of the other 3 remaining pins on nano receiver to connect it directly to the camera to use smart audio directly from the transmitter although I never tried this solution. I just don't use smart audio. I don't use two way connection for crsf because I don't need any telemetry on the transmitter. Betaflight Osd is enough for me.

Both motors have the same construction and same bearings. On both flights I used same props (e010 Eachine props). In my opinion the vast difference in efficiency comes from the difference in magnets. 0603 have 9 coils and 10 magnets on the rotor. 0802 have 9 coils but 12 magnets. All motors I have tried with 9n10p configuration were very inefficient even though I tried several timing settings.

@@tomaszegowski1607 I thought the 603 used bushings instead of bearings - that's why they're kinda cheap.

Happymodel and Eachine 0603 and 0802 have oil bearings not ball bearings. I'm not sure that's bad. I had a few ball bearings go bad on such a small motors and none of the oil bearings.

Which props do you use? I use Eachine e010 props 4 bladed with 0.8mm shaft hole in which I must drill a 1mm hole. I ask because I see how less they vibrate comparing to other props. Especially the 31mm props with 1mm available at Banggood. If you use less vibrating props betaflight pid and filter settings aren't that important. But if you use more vibrating props all you do in betaflight doesn't really help. I use slightly modified project mockingbird v3 tune which you can find through Google. If using that tune you have vibrations you may have bad props (which you should feel with your hand) or bad motors. But sometimes vibrations may be caused by other factors (bad battery connection can also cause instability easily confused with vibrations).

@@tomaszegowski1607 ok thanks for the help bro. I redrilled the holes cause I noticed they where sitting a bit high that sorted it right out! My bad lol

0802 19000kv motors on 1s, as I was flying on this video don't get hot at all. On both flights I used 220mah 45c Brainergy battery (similar to tattu 220mah 45c). With stock 250mah 40c it flies well but you don't get any more punch, only a little longer flight. I prefer 220mah.

Sure. Turtle mode isn't affected in any way by this motor change.

Thank you. I ordered small Gemfans, hope they will ship fast.

Tomasz Łęgowski the gemfan props are definitely good props, very durable and the only bad part is they suck down the battery a bit more but they are very good. The hq props are good and they are a bit better for amp draw but they are not durable at all. They break and bend very easily! All in all I’m pretty happy we finally have good prop options.

0802 19000kv isn't slower than 0603 19000kv. Quite the opposite. Because of less voltage sag you have more thrust. Whoop with 0802 motors is only a 1 gram heavier but you don't feel it in flight.

@@tomaszegowski1607 thanks for the quick reply. Now I need to find where I can get them quickly in the USA

I tried to fly as fast as I could without crashing. I'm sure someone who is a better pilot could fly faster. The only moment I felt I was flying at the limit of the whoop was at the end of the battery with 17500kv motors. Voltage sag makes the 17500kv whoop a little underpowered.

Eachine 250 mah 40c that are in the package with us65/uk65

Great comparison, I just brought 0802 16000kv motors as I've heard that it is more efficient and gives extra flight time. Would be interested how they compare to the 17500kv motor.

@@DigitalDamnation I'm afraid 16000kv on 1s is too slow. I flew 0802 16000kv on 1s but on a 75mm whoop with 40mm props and it was nice in home.

Left is 22000kv right is 19000kv

Thank you. I soldered the batteries myself. Removed ph2.0 connector from 2 batteries, glued them together and soldered Xt30 directly to the batteries without wires. I made the balancer connection out of small ph1.5 3-pin connector to save weight.

Thank you very much.

Thank you.

Good old Runcam Swift with 2.1mm lens, Aomway TX001 5.8g transmitter with Aomway Cloverleaf antenna and Aomway v1 Goggles.