@manafishrov: Is 8 propellers in one direction overkill? Most underwater drones spread their thrusters across different axes so they can move any direction without turning first. It makes them nimble, but only a fraction of the power ever goes into going forward. We built this one the other way around. All 8 propellers face the same way, so everything it has pushes forward, and it steers on thrust alone. Run one side harder than the other and it pitches and yaws. Play the clockwise propellers against the counterclockwise ones and it rolls, using nothing but the reaction torque from the motors themselves, the same trick a quadcopter uses to spin on the spot. The calm part at the start is our quaternion based PID juggling all of that to hold its attitude. It's a Manafish, our 3d-printable underwater drone. Same electronics housing and components as the standard kit, on a frame we designed specifically for speed. We make kits with all the components to build one. We are currently testing the design with 50 beta testers, each 3d-printing and making their own Manafish. After testing, we will launch the kits. If you want one, you can join the waitlist with the link in our bio:) #3dprinting #electronics #mechatronics #robotics #3dprint

Manafish
Manafish
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Wednesday 02 September 2026 09:20:42 GMT
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user3860854699820
user3860854699820 :
Make it bigger and able to carry people and offer tours of the titanic… I doubt anything could go wrong.
2026-09-02 22:23:49
723
hekrhugo12
hekrhugo12 :
its render not real
2026-09-02 10:07:51
168
eduardohzp
Eduardo H. :
More like animated with AI
2026-09-02 22:45:28
12
henrikfrech
Ri/K :
Does it fly too?
2026-09-04 14:47:53
0
bread1230981
Gary :
Now imagine what we could do with a 4D printer
2026-09-03 23:01:14
21
frog_1100
forg :
What’s the justification for 8 props that 4 couldn’t do?
2026-09-02 18:06:24
75
nname869
nname869 :
Made with blender😭
2026-09-03 11:29:02
11
jim48000
Jim :
This is significantly less efficient and makes less sense than one big propeller.
2026-09-02 17:24:45
4
relinzaldo
Relinzaldo :
Why not just send a fucking 3D printer to Mars and 3d print everything tf
2026-09-03 14:06:39
4
coug1978
coug1978 :
How do you protect props and cable on your way back?
2026-09-04 09:54:39
0
gsdd_888
gs_888 :
Add a fiber optic cable and it’s deadly 😳
2026-09-03 10:35:24
7
diyandiyan032
diyan :
Could you please explain the waterproofing method?
2026-09-02 17:28:51
12
jammyboi14
jammyboi :
This comment section really pisses me off, either they think it’s AI or they have suddenly become engineers and are dictating what you should do next 🤨
2026-09-03 14:33:25
7
junofinalboss
Lé Faúx Larpist :
How doesnt it have a cavitation with that blade shape...
2026-09-03 03:58:11
0
cleanyourpc0
ADAMS :
add bomb
2026-09-04 09:56:05
3
meng_rithy
@Chiikuu :
why don't use 1 propeller and a drag less design
2026-09-02 17:32:49
0
mss0ui
Misou :
2026-09-03 10:16:29
28
hekrhugo12
hekrhugo12 :
that drone is real but this video is just render
2026-09-02 14:25:39
5
orangetwingo
orangetwingo :
Little Geek from The Abyss
2026-09-03 00:27:21
5
m1za_w0mbat
m1sha :
add an HE shel to it and you've got the cheapest and most effective weapon
2026-09-03 11:54:03
1
c5m207
C5m :
make a swarm a bunch of tiny ones that just swarm people
2026-09-03 13:06:15
0
bajahitam6995
bajahitam6995 :
Are there videos of how it goes back when 2 or more propellers fail?
2026-09-03 00:33:20
1
uuyoubaan4.uuyou
ผักกาด :
cool
2026-09-03 00:07:49
1
bigwilli._
William :
someone studied aquadynamics
2026-09-03 14:29:50
2
pinba1165
Pinball :
that would be nice for remote inspections.
2026-09-02 22:05:10
4
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