I design this frame/drone to do hard flies in busy places like thick forests. I used 3mm thick plates for the main plate, so it can survive hard crashes. Pusher configuration with bottom mounted battery, which I prefer especially on smaller drones, feels smoother and more stable also the o3 unit is center mounted, so the CG is very close to the center. I use three different batteries, 550, 650, 850mAh 4s, the flight times around 3-6 minutes depending on how hard it pushed. It's a but heavy but I like the extra intertia, it reminds me to heavier drones, similar to tiny trainer.
Files: https://www.printables.com/model/852595-gravel-25-pusher-drone
Insta: https://www.instagram.com/butcherengineering/
Flight video:
Photos
Part List
Flight Controller |
JHEMCU GHF405AIO HD 40A AIO Flight Controller F405 F4 Build in OSD Blheli S ESC 2 6S Lipo For RC FPV Toothpick Racing Drone
(4 builds)
Aliexpress.com
|
$47.00 |
Motors |
4 x Hglrc Aeolus 1404 4800kv 4s 3600kv 2800kv 6s Brushless Motor Rc Fpv Racing Freestyle Lr4 Micro Long Range Drones Parts - Parts &
Aliexpress.com
|
$91.96 |
Propellers |
HQProp T2.5X2X3V2S (2CW+2CCW)-Poly Carbonate
(7 builds)
Hqprop.com
|
$1.89 |
FPV Camera |
DJI O3 Air Unit
(86 builds)
Pyrodrone.com
|
$179.00 |
Receiver |
BetaFPV ELRS Nano Receiver - 2.4GHz
(32 builds)
Pyrodrone.com
|
$9.99 |
Batteries |
Tattu 650mAh 4s 14.8V 95C R-Line Lipo Battery Pack with XT30 Plug
(4 builds)
Genstattu.com
|
$16.49 |
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It is a perfect design for the need you described. At the original site we can find the details with price.