This AOS build is the best sub 250g I've flown when compared to my 5". A bit better than my 3" vista build was. Great for freestyle. Not much else to say. If you want a sub 250g freestyle, this thing rips on 6s. AUW 247g Betaflight 4.4, Bluejay 18.1.
Frame |
iFlight AOS 3.5 O3 3.5" FPV Drone Frame Kit
Pyrodrone.com
|
$54.00 |
Flight Controller |
GEPRC GEP-F722-35A AIO F722 FC 35A 2-6S 8bit BLHeli_S ESC - 25.5x25.5mm
(3 builds)
Pyrodrone.com
|
$89.99 |
Motors |
4 x T-Motor P1604 FPV Drone Motor - 2850KV
Pyrodrone.com
|
$79.60 |
Propellers |
HQProp T3.5X2X3 Grey Poly Carbonate - 2CW+2CCW
(4 builds)
Pyrodrone.com
|
$2.79 |
FPV Transmitter |
DJI O3 Air Unit
(87 builds)
Pyrodrone.com
|
$228.99 |
Receiver |
Happymodel 2.4G ExpressLRS EP1 TCXO RX Receiver Module
(6 builds)
Pyrodrone.com
|
$17.99 |
Batteries |
GNB 530mah 6S 22.8V HV 90c LiPo Battery XT30
(3 builds)
Newbeedrone.com
|
$16.14 |
Radio |
RadioMaster Zorro EdgeTX RC Transmitter - ExpressLRS (Black)
(2 builds)
Pyrodrone.com
|
$119.99 |
Goggles |
DJI Goggles 2 - Ultra Low Latency 1080p/100FPS 4K/60FPS Digital HD FPV
(22 builds)
Pyrodrone.com
|
$449.00 |
I'm actually in the middle of updating mine slightly. I'm switching the AIO for the Speedybee. I put a Speedybee stack on my 5" and i really like the built in wifi Bluetooth. Tuning in the field so easily is awesome and using their AIO only adds a gram to my build.
I'll finish before the weekend and get you some videos. i think you'll find that the T-motors are actually going to give you more thrust. kv is important and the T-motors have about 16% higher kv than those 1804 motors. The T-motors were made specifically for 3.5" freestyle builds whereas i believe those 1804s were made for cinawhoops.
No worries :). I made already a new build with the t-motors. I notice almost no difference in the power between those motors. Maybe the rcinpower is a little stronger/ faster on 6s, but you really have to compare the footage multiple times. That said, my build is still arround 180 grams, about 3-4 grams lighter than the rcinpower build. 172 grams seems impossible for me. Maybe your scale weight is off? Or mine :P
Could only save about 0.5 grams if I made the power wire impossible short and 1.4-2grams with Ummagrip Lite instead of the regular version (it is now about 3g). The difference is to large, even if I do minus the tyraps which are like 0.10g each. Maybe maybe I can get it under 250 grams with if I shave 3 grams of it, but even then I probably will go over 250g with the GNB530mah battery. But I'm probably going to swap to walksnail in the future, then < 250g will be super easy.
I will redo the rcinpower build soon to make it way more cleaner with the experience i've gathered. Will make some videos this month + build on rotorbuilds.
edit: the tpu mount for the antenna is 4.2g. I'm just removing that one and everything will be fixed.
https://rotorbuilds.com/pictures/f_23873_b3wRi5F9oQp8xhSvVRD1s0cAi.jpg
Nice build!! So in your opinion, the 1604 is a decent 3.5" motor?? I was just looking at them today, but could not find enough info on them. I want to run them on a 6s 3.5" 2fiddy. What do you think?
I will assemble the model, but under the control of dji remote controller 2. And I cannot choose a flight controller, it is desirable that the speed controllers are mounted in the controller. can someone tell me??
Using an AIO (speed controllers mounted in the flight controller) reduces weight significantly. The motors used on a sub 250g build will not draw much current. The AIO handles it just fine. As you see, with the battery I am using I'm just a few grams under 250g. If you are not worried about that weight limit you could use a stack. GNB makes a 380mah 6S 90c battery which you could use to save weight there and use a stack to make the weight. I personally want as much amperage potential as I can get thus the largest 6S possible with the highest C rating. I have had no issues with the AIOs that I have put in my lightweight builds.
Have you had any issue with these motors? The shafts started spinning inside the bell on all 4 of my motors within about a week. I had a few normal crashes in grass and only one bell has a slight ding but I wouldn't expect the shaft to slip so easily.
interesting. I've had a few crashes but no real severe impacts yet. i have not experienced any issues with the motors. I've probably only got 25 packs on them. if i have issues I'll probably replace them with those 1804 rc inpower motors as they're just slightly heavier. I'm traveling for the next 3 weeks and the AOS is the only drone i took. fingers crossed.
Ha, building the same, but with 1804, and 4s. mind sharing your cli, got the same GepRc 35amp, need the motors remapping. that flight controller is wacky inverted already. also GepRc said it was not good for 4.4, curious what you found that worms. thanks!
I just first flashed bluejay, now v19, (48 khz which is recommended by DJI for the O3) , then betaflight 4.4. I utilized the UAV Tech 3-4" preset on medium build quality with RPM filtering. Once you do this you'll need switch bidirectional dshot back on. I also used the 250hz ELRS preset. I've only got about 25 packs on it now. I need to do a little more refinement but it flies well. I'll message you my CLI.
I found that for freestyle hqprops dont have inaf pitch and with all up weight around 250g strugle to pull out of dive. Defently sugest to try gemfan hurricane 3525 and emax avan 35
i have the HQ T3.5x2.5x3 props also. i haven't felt like i have had any issues with torque on the 2" pitch and I feel like they have more grip. Murders flies 3016 on his 240g build. it doesn't look like he's struggling. i like Gemfan props also but they are considerably heavier. Now that I've removed the BEC I've got the room to pick up a gram in props.
AirbladeUAV has done it again and this time they've brought long range to the 5" class! Based on the popular Transformer Mini, the new Transformer 5" Ultralight adopts a lot of the same design philosophies with larger props and more payload capacity. It can fly upwards of 20 minutes on a 4 cell Li-Ion battery pack and in ideal conditions it's got a range of over 4 to 5 miles. In this guide I'll walk..
Read moreWith the release of the DJI FPV Drone cinematic FPV has become a lot more accessible, but you certainly don't want to crash a $750 drone! The QAV-CINE Freybott is a compact, lightweight cinematic FPV drone that can take a hit and keep going. It's a lot safer to fly indoors and around people. With a naked GoPro or the SMO 4k you can capture some great stabilized footage. In this guide I'll show you..
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Have you now installed the Speedybee AIO? How is it? I'm thinking about buying this one too