This build was inspired by StickyRice's chopsticks build!
I wanted a 4 inch plus drone that was (preferably) under 250 grams, si i got on fusion360 and started to design a frame made from TPU and carbon rods.
This was my first proper design made in fusion360, and i had trouble designing the pod, as i was not used to creating natural shapes in a design software, let alone 3D design!
so i consulted a tutorical made by Dave_C_fpv and that really helped my get my hear around it.
It was all printed on my stock Ender 3 with a nozzle temp of 217 and a bed temp of 70.
I was initially a but put off by its yaw capability, before i flew it, as the rear motor is much further away from the 3 front motors, but when i maidened it, it flew fine.
It comes in at 245 grams with a 650mah 4s battery and all the extra gubbins.
I keep on getting weird stringing issues with my printer, as you can see on the canopy, i dont know weather that is beacuse i have the nozzle temp too high or just the fact that i am using a bowden tube.
Any feedback is greatly recieved, even if it be positive or negative.
I will try and design some more tradtitional quad frames in the future, weather it be stretch X or true X. Maybe even a hexacopter.
its made from carbon fibre rods and 3d printed TPU
If anybody has any questions, feel free to ask.
thanks
Flight Controller |
20x20 Stacks / Flight Controllers / ESCs
(110 builds)
Racedayquads.com
|
$8.99 |
Motors |
4 x FPVCycle 23mm Short Motor - THE Cinewhoop motor
(36 builds)
Fpvcycle.com
|
$79.96 |
FPV Camera |
Caddx Vista Digital HD System for DJI HD FPV
(209 builds)
Getfpv.com
|
See Site |
Receiver |
FrSky R-XSR/RXSR Ultra SBUS/CPPM Switchable D16 16CH Mini Redundancy Receiver RX 1.5g for RC Transmitter TX Drone Models Drone
(23 builds)
Aliexpress.com
|
$21.60 |
Batteries |
GNB 650 mAh 4S 14.8V 80C/160C XT30
(26 builds)
Airbladeuav.com
|
$16.49 |
Radio |
FrSky Taranis X9 Lite RC Transmitter - Choose Your ColorWhite
(17 builds)
Racedayquads.com
|
$89.99 |
Goggles |
DJI Digital HD FPV Goggles
(145 builds)
Airbladeuav.com
|
$529.00 |
Radio Module |
TBS Crossfire Nano TX
Hobbyrc.co.uk
|
See Site |
Soldering Iron |
TS100 Portable Programmable Smart Soldering Iron
(265 builds)
Racedayquads.com
|
$58.99 |
Tools |
iFixit Pro Tech Toolkit
(6 builds)
Getfpv.com
|
$69.99 |
Misc Supplies |
Ender 3 3D Printer
(3 builds)
Creality3dofficial.com
|
$179.00 |
Oh man this is badass looking hahaha im impressed dude, you took the idea further! Hope its working great! Post some videos when you get the chance!
I am a fan of plus frames... nice job
I mounted my front motor like you did, landings are not an issue but I fear crashes with the front prop eating the bottom mounted Lipo
Nice design, I wonder why there aren't more cross-X quads. I like you you put the front motor underneath. How do you land?? Can you share some in-flight footage?
If ya don't mind me asking, where did you source the carbon rods from?
For an 11XX motor you'd need a rod width of 5-6 mm. (hollow) Such as from here: https://hobbyking.com/en_us/carbon-fiber-square-tube-750x6mm.html?queryID=&objectID=35503&indexName=hbk_live_magento_en_us_products
For 22XX motors a 10 mm wide rod should do nicely.
Better yet, the hollow part of the tube can be filled with balsa-wood and glued inside. The would effectively make the rods unbreakable but still very light.
Damn thats a sweet design. I feel i have to redo My plus pod now xD
How does it fly with the cog behind the front motors(assymetric motorlayout)
Thanks! It flies quite smooth actually, i thought the yaw would be a slight bit slow, as the motors are asymmetric, but it stays quite planted. it also kind of feels like it attacks more? like it seems to want to be at an angle more than my other quads. the only reason why i think this would be the case is because the rear motor is further back. ill try get out and fly it some point soon, but the weather isn't too great in england at the moment. if i do ill be sure to post a video
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Hi, nice build! In regards to your comment on stringing with the Ender, it sounds like it's due to your bowden setup. Stringing should greatly improve with an upgrade to Direct Drive, i recommend and E3D hotend setup like the Titan Aero which I have on my Ender or the Hemera