80 mm Electric Ducted Fan with Stator Blades | 3D Printed | Max thrust test

Hello Everyone, In this video, I have redesigned and built my previous 80 mm ducted fan. It has 8 sets of stator blades. I have compared the thrust of six propellers i.e 3 Blade, 4 Blade, 5 Blade, 6 Blade, 8 Blade, and 11 Blade. The ducted fan has an 80 mm diameter and is 3D Printed. I am using a 2500 Kv Racerstar BR2207S motor to rotate the propeller.
Check out the video to check the thrust test of the motor and make one for you.
Thanks for watching and liking, share and subscribe.

For downloading the EDF 3D printing files, visit the below link :

For downloading the 100 mm EDF 3D printing files, visit the below link :

For downloading the MINI JET ENGINE 3D printing files, visit the below link :

For watching the Racerstar 2500 Kv motor thrust test, visit the link :

For 100 mm Ducted Fan Video, visit the below link :

Best Buy links for the parts:-

1) Racerstar 2500KV Motor:- IND - -----------------------------------------

2) 40 Amp Esc :- IND - ------------------------------------------

Thanks for watching and have a nice day

[vilempompe]

Great! But you forgot one very important parameter: the rotor RPM. You should compare thrust at the same rotational speed and measure energy consumption. Static thrust is good to know, but in-flight performance can provide a bit different results. Thanks for shaering the results.

[SkyersJet]

The most comprehensive EDF testing that I have seen. Very good work!

[janetizzy]

In the construction of a ducted fan, the clearance between the blade tips and the edge of the duct is very critical. The thrust difference that you are measuring is mostly the result of blade tip variation. The variation that can be seen in the images.

[ALHAQ]

i have a patent pending diverting stator. it reduces the flow area and steers the spiralling air to exit straight out. The reduced area increases the exit velocity. There is also an initial buildup of air between the propellor and the diverter. The net result is a higher and larger mass exitng the duct and therefore increased thrust.

[deadlymedley]

wow you are a great designer glad I found this channel

[universalcreation]

There should be a mechanical iris on the opening of the fans...
It will give an awesome look to it.

[harynian]

Great comparison, thank you, it is very helpful for my project. As someone said, RPM is very important factor. We can see something interesting happens here: more blades = more thrust, more current. I can tell that more current = motor more struggling so RPM is lower. At some point (8 blade propeller) current still goes up, but thrust going down, it means that motor over struggling and it losing RPM drastically.

[Gavinconaghty]

On the clearance between fan blade tips and the edge of the dict, why not have the dict and the blade as one piece? The dict also spins around. There in no blade tip vortex and no need for arms holding the duct to the centre.

[Glizzy]

Keep up the great work mate much love from Australia

[casadioDesign]

Well done! Can't wait to try it in my 3D printed drone!

[idKotin]

Hi! Can you make a waterproof construction for a SUP board? I think the motor doesn't have to be underwater. Perhaps, as on a hovercraft, he will just push the board

[AkashBagFEce]

it is one of the best video i had seen ever! its very much usefull!

[martinadhie]

I'm fascinated with your ducted fan experiment.
I think it will be great feature in electric aviation era.


How to get hi-efficiency on generating thrust?
Yeah, still plenty room for experimental design.

Here are my points:
- Get idea from tornado and reverse it.
- Get idea from hair driyer, hot and cold air collided.
- Ducted fan, safer and controllable.
- Thrust vector & auto adjustment


Well, my design just an imagination.
But you can print at will and test it, if you want.

[tobins]

Are you going to try another motor on the backside of the stator? And, are you going to experiment with an hourglass shape between the motors for compression purposes? Or simply reduce the size to make it more funnel shaped? CFD would certainly help answer this. In first thoughts, it would help in 2 areas. First, directed air flow would be more predictable, allowing for design choices around the exhaust area. 2nd, the expanding air at the exhaust could help with backlash or oscillations by pillowing and pushing back on the motor assembly.

[markvios]

I noticed you have very nice prints. I wonder if you would share your slicer settings?

[kaamilverma]

good job, finaly a good analysis on printed EDFs, use prop dia closest to standard propeller diameter to get best results ! low diameter and high propellers can work equally well. please try it with lower KV motors, something like 920KV

[tonyjohanningsmeier]

Do you use a filament type 3D printer or resin type? There are some new high strength resins that might be more firm/stronger and reduce flex on the blade and might print lighter which will increase efficiency. Also, it would be interesting to see a 7 blade test. Just my two cents!!

[illla]

So 6 blades is the best configuration for maximum trust.

[DMonZ]

hi Mech Ninja! i am really enjoying your fantastic videos, your tests are really interesting and educational. i don't know enough to know whether the fan design is also suitable for these applications, but if you are looking for a fan design constant to test other variables, the mk.iii from Major Hardware's 3d printed PC fan showdown is one of the best performance designs he has tested (from 100s of designs by now) and has been shared, so it might be a good fan design to work with.
keep it up! i have subscribed and can't wait to see more!

[cerpenai]

Please make sphere robot with pendulum and camera