Its been about 2 years since my last build and I decided to do something that is just kinda stupid and to satiate my curiosity. I wanted an ultralite capable of freestyling and able to use the DJI o3. I didn't expect to get the build under 250g and wasn't particularly trying. I went with an iflight blitz 55a aio after I realized the new 2fiddy doesn't ship with 30mm mounting... now I have a spare Speedybee aio to play with. Overall due to parts availabilty and a fried o3 unit and a fried blitz aio this build has taken me over 2 months to complete. She weighs in at around 288g and I'm constantly adding minor modifications since weather is keeping it grounded at the moment. I guess the highlight of the build is I've found the largest motors this frame can hold, the 23mm from FPVcycle that has a 12x12 m2 mount @1830kv with an m5 prop shaft. I finally got the HD OSD working and did some hovering, but am looking forward to taking it out tomorrow.
When the build fried the original AIO and o3 I decided to upgrade to racewire since I had to rewire the whole thing anyways. Sadly the screws aren't flush with the top so I had to upgrade the battery mat to the leftovers from my moongoat. I'll probably trim the battery pad away to shave some weight if it proves sufficient. I got some printed "legs" coming hopefully to protect the motors a bit since they seem vulnerable the way they hang over the edges.
Some notes:
Frame |
Ummagawd 2FIDDY Ultra Light 5" Freestyle Frame V1.5 (Fits DJI O3)
(2 builds)
Pyrodrone.com
|
$59.99 |
Flight Controller |
iFlight Blitz Whoop F7 55A V1.1 AIO Flight Controller/ESC - 25.5x25.5
(3 builds)
Pyrodrone.com
|
$109.99 |
Motors |
4 x FPVCycle 23mm Tall Motor - 12x12 M2 Mount with M5 Prop Shaft
(3 builds)
Fpvcycle.com
|
$79.96 |
Propellers |
16pcs HQProp 5x4.3x3V2S Tri-Blade Propeller 5 Inch Props for RC FPV Drone Quadcopter (Blue & Grey)
(2 builds)
Amazon.com
|
$16.99 |
FPV Camera |
DJI O3 Air Unit
(86 builds)
Pyrodrone.com
|
$228.99 |
Antenna |
MiniMortal T V2 for Crossfire - manufactured by TBS
(30 builds)
Fpvcycle.com
|
$3.99 |
Receiver |
TBS Crossfire Nano Rx FPV Long Range Drone Receiver
(1499 builds)
Pyrodrone.com
|
$24.95 |
Batteries |
[Combo] 2 Packs CNHL Black Series 1100mAh 22.2V 6S 100C Lipo Battery with XT60 Plug
(4 builds)
Chinahobbyline.com
|
$47.98 |
Misc Parts |
NewBeeDrone BeeWire Lite (5-Pack)
(6 builds)
Newbeedrone.com
|
$9.99 |
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Ahh yea, the original 2fiddy had 30mm mounting.. Tommy got rid of it when he made the v1.5 able to accept an o3 air unit. Kind of annoyed me because I still run the 30mm iflight succex-a f405 aio. They have been super reliable, which is why I love using them. But yea, back to the normal aio size with this update. I wish he would have made 26mm vtx moutning (like the o3 has) however I'm sure he figured most people would be sticky taping it on. I really like mounting them with hardware. But oh well, can't get everything lol. It is such a perfect little quad imo. If you want to try a fun prop, throw on a set of 4.5" props with a lighter 6s pack. Absolute screamer.
Unfortunately its been a bit of a cursed build for me. I got about 2 mins flight time with a bunch of flutter and then then got a failsafe and now the o3 is dead. The flight before that I had no OSD (had to switch the tx/rx uart and that fixed it) although since I had no OSD I overestimated my 850mah and I ran it dead, it is all puffed up. Currently awaiting my second o3 replacement unit and been flying my moongoat all weekend. At least now I get to consider a new build for my spare parts. I want it to work so bad, can't wait for the replacement.