djinn & tonic

By daich on Dec 22, 2023

3  26  3

2024 frame + O3 air unit + FC and ESCs from 2018

The Quadmula F25 split aka Djinn kit is well thought out. The only complaint I have is the supplied motor bolts are too short and are button-topped unlike the rest of the bolts in the kit so it seems like it was thrown in as an afterthought. Besides that, it pleasantly complete and was quite easy to assemble.

Using my previously owned 5 year old electronics from the golden years in FPV...back when you can pick up a FC + ESC combo for $20 on a black friday deal...assembly isn't any different...things really haven't changed much.

pinout - v5
ooh another pinout in a weblog

The motors are a rare 7000kv version of the x1404 original Xing motors. I'll be running these with two profiles, a 3s and a 4s profile - at 92% and 75% throttle limit.

pid screen shot is from @murdersfpv video which he got from a basement tune. I'll be using his as a spring board. This FC has a black box too so if I'm not feeling lazy I'll probably do it on a rainy day.

esc current scale is 295 according to a user on banggood

All flights on this frame in this playlist
update 11 Jan 2024
still tuning and messing around with settings. not easy to harness that beastly 7000kv on 4s!

Photos

Part List

Frame

Djinn F25 Split (3 builds)
Quadmula.com
$47.00

Flight Controller

OMNIBUS F4 Nano v5 with LC filter (3 builds)
Store.myairbot.com
$29.99

Flight Controller

OMNIBUS F4 Nano v5 with LC filter (3 builds)
Store.myairbot.com
$29.99

Flight Controller

AIRBOT - OMNIBUS F4 NANO V5.1
Store.wirescomputing.com
$29.99

Flight Controller

OMNIBUS F4 Nano v5.1 with LC filter
Dronezbaserc.shoplineapp.com
$29.90

ESCs

HAKRC 8B35A 35A BLS Mini 4in1 ESC
Rotorgeeks.com
$56.58

ESCs

HAKRC 35A 2-6S BLHeli_S 20x20 4-in-1 ESC (3 builds)
Getfpv.com
See Site

Motors

4 x iFlight XING 1404 7000kv
Rotorama.com
$54.36

Motors

4 x iFlight XING 1404 3800KV/4600KV/7000KV Unibell Toothpick Motor - Blue Camo (1pc) (4 builds)
Getfpv.com
See Site

Propellers

Gemfan Flash 2540 3-Blade Propeller Black (171 builds)
Geekbuying.com
$4.15

Propellers

Gemfan Hurricane 2520-3 (8 Stück) - Rotorama (2 builds)
Rotorama.de
See Site

Propellers

Gemfan 2512 2.5Inch 3-Blade 1.5mm Hole Propeller - 4CW+4CCW (6 builds)
Pyrodrone.com
$3.69

Propellers

EMAX Avan Rush 2.5x1.9x3 Props (2 builds)
Rotorvillage.ca
$2.99

Propellers

HQProp T2.5X2X3V2S (2CW+2CCW)-Poly Carbonate (5 builds)
Hqprop.com
$1.89

FPV Camera

DJI O3 Air Unit FPV Camera Module (10 builds)
Pyrodrone.com
$109.00

FPV Transmitter

DJI O3 Air Unit Transmission Module (25 builds)
Pyrodrone.com
$169.00

Receiver

TBS Crossfire Nano Rx - FPV LONG RANGE DRONE RECEIVER (1486 builds)
Team-blacksheep.com
$24.95

Batteries

FlexRC FPV Racing Drones | FPV Multicopter Store | Quadcopter Parts (101 builds)
Flexrc.com
$52.50

Radio

DJI FPV Remote Controller (Mode 2) (60 builds)
Getfpv.com
$299.00

Radio

Jumper T12 PLUS Open Source 16ch Radio with JP4-in-1 Multi-protocol RF Module With HALL Gimbal for RC Drone Car Boat (10 builds)
Xt-xinte.com
$109.00

Goggles

DJI Digital HD FPV Goggles (141 builds)
Airbladeuav.com
$529.00

Goggles

FatShark Dominator V2 Headset System Goggles Video Glasses 600 X 480 VGA
Hobbyking.com
See Site

HD Camera

GoPro Hero5 Black — Waterproof Digital Action Camera for Travel with Touch Screen 4K HD Video 12MP Photos (8 builds)
Amazon.com
$405.99

HD Camera

GoPro HERO7 Black Action Camera (102 builds)
Getfpv.com
$399.99

Video Receiver

GTeng T909 5.8G FPV Artifact 32CH Receiver 2 inch LCD Wearable Watch for RC UAV Quadcopter Drone Aircraft - Rcmoment.com
Rcmoment.com
$99.99

Video Receiver

ImmersionRC rapidFIRE w/ Analog PLUS Goggle Receiver Module (179 builds)
Getfpv.com
$159.99

Video Receiver

TBS Fusion (44 builds)
Team-blacksheep.com
$129.95

Radio Module

TBS Crossfire Micro TX V2 (154 builds)
Team-blacksheep.com
$69.95

Battery Charger

iSDT SC-620 Smart Charger (500W)
Hobbyking.com
See Site

Soldering Iron

MINI TS100 Digital OLED Programmable Interface DC5525 Soldering Iron Station Built-in STM32 Chip (264 builds)
Banggood.com
$53.99

Tools

Upgraded MINI ES121 Electric Screwdriver Smart Repairtools Built-in STM32 Chip OLED with Screwbits (2 builds)
Banggood.com
$99.99

Backpack

Turnigy Transmitter Bag / Carrying Case
Hobbyking.com
$7.42

Accessories

SpeedyBee Bluetooth USB Adapter
Hobbyrc.co.uk
See Site

Misc Supplies

VIFLY ShortSaver 2 Smoke Stopper (2 builds)
Hobbyrc.co.uk
See Site

Misc Supplies

FPV antennas for drones - Actuna TBS ImmersionRC - Actuna Sp. z o.o.
Actuna.com
$29.00

Misc Supplies

TrueRC X-AIR 5.8GHz Crosshair Antenna (RHCP) (4 builds)
Hobbyrc.co.uk
See Site

Misc Supplies

Foxeer Lollipop 2 Stubby 5.8G Omni Antenna(2pcs)
Foxeer.com
$19.90

Misc Supplies

ISDT BattGo BG-8S Smart Battery Checker Balancer Receiver Signal Tester Quick Charge Function (4 builds)
Banggood.com
See Site
Show stores (23)

Discussion

Sign in to comment

airrage   Dec 27, 2023  

Ah yes, does me good to see the older type boards. Man I miss those days. 50,- full stack and aios for 30. Nice build btw, kinda heavy no? Flight times?

daich   Dec 29, 2023 

i still haven't had a chance to put her up in the air but will definitely report back. yeah, she bloated. but not much choice these days with freestyle o3 frames. I do have one lined up though that should be significantly lighter, more on par with the usual 100g 2.5" target. Flight wise the weight won't matter too much to me, it's more about damage control. there is a thought that the beefier the frame the more durable it is which is true in one way but on the other end, an ultra light build can become near indestructible as well.

yohfpv   Jan 19, 2024 
1

I've recently tested a similar build weighing in at 132g without a lipo and found that the HQ T2.5x3.5x3 worked best for me. 4 -5 min mixed freestyle with plenty of power and control on 1206 motors. So your one should fly nicely as it is.

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