DIY Electric Ducted Fan | 3D Printed | Thrust Test | Single propeller Vs Dual Propeller

[@JustinAlexander1976]

If you add a stator between the fans you should see a 33% increase in total thrust. Also a rounded inlet rim will give you another 20%.

[@mikelarin8037]

One way to get a bit more thrust out of this is to increase the pitch on the second propeller since the air is already moving fast when it hits the blades you can increase the amount of work the second one does.

[@animishaalagappa2327]

but won't that pull more amps from the battery?

[@Lucas_sGarage]

@@animishaalagappa2327 it shouldnt because the power comes from accelerating the air so u creat thrust

[@AClark-gs5gl]

Yes.

[@animishaalagappa2327]

@@Lucas_sGarage ah I see....

[@greg0063]

The old school Y6 and X8 coax multirotors could have increased efficiency with a higher pitch prop on the bottom.

[@stephenwood4053]

I agree with Mike. A little thing I did that worked,was 1 2700 kv motor but putting a 3 blade finer pitch forward of the 6 blade and got 1.1 kg static thrust instead of the 920g before. Imagine putting a say a 4.5 pitch 12 blade followed with a 12 blade high pitch with some stators between.

[@krishnaprasad1693]

Dude I freaking love your channel. You are so professional and your videos are one of the very few well thought out engineering project - channels out there. You just gained a sub bro.

[@MechNinja]

Thanks for the compliment bro...🤗🤗🤗....More technical videos coming on the way....🤗🤗

[@krishnaprasad1693]

@@MechNinja I'll be waiting bro😊😊👍🏻

[@paulmason6847]

You can get brushless motors with shafts on both ends, so you could have two fans with only one motor, as the motor power is not the limiting factor here the fan is.

[@MechNinja]

I think so two fans with a single motor reduces the efficiency because there will me more weight added on the motor. If I attach both the propellers on a single motor, so both propellers will have same rotation thus the whole system will work as a propeller with so much of blades. Then the above system can be replaced with a propeller with double the number of blades. I have used two motors because I want the propeller to move in counter direction with respect to each other. Hope you get the point. Thanks for watching it....and subscribe for more informative videos like this.

[@thomasdowd2183]

What you really want is contra-rotating fans. By having them spin in opposite directions, the second fan adds further energy to the airflow while also taking out a lot of the rotation in the airflow and turning that into axial airflow which is what gives you net thrust. Implementation is tricky though.

[@MechNinja]

Yes it's implementation is tough...but i will do it as a chance.

[@benniethejew]

Should work out well if stators are used before and after the second blade

[@haraldschurr1035]

the effectiveness of ducted fans depends highly on the gap between the fan blades and the fan housing. The narrower the better. !!!!

[@MechNinja]

Yes bro.... Actually I was doing a model run so that's why I used two blades. I didn't used different blade fan because of the video length limitation. But once I will do future observations I will post on the website themechninja.com/ And also you can checkout the website for more Models. And don't forget to subscribe.....😊

[@Ansh_electronic]

Bro thanks now i can put in my study table thanks a lot

[@MechNinja]

Thankyou for watching and don't forget to subscribe 😊😊😊😊

[@athenovae]

Pretty cool! Thanks for the inspo. I’m in the middle of converting my AliExpress 2Ch F-35 to a homemade EDF 😀

[@MechNinja]

For F-35, you must watch my other videos too. You will get a lot of info....I have redesigned an F-35 swivel nozzle too, you can check it out too. And thankyou for watching and don't forget to subscribe 😊😊

[@athenovae]

@@MechNinja my F-35 is very small and although would be housing a 31mm EDF, it’s essentially using 2 Tiny Whoop motors as a coax. 65mm Whoops are 15-20g and hover around 40% with 4 motors (that are anything from a 0603 to a 0802). I’m hoping 2 motors is enough to make the plane fly. Hahaha the whole plane is planned to be 40g max. Definitely checked out your other vids. Great stuff. ☺️ My first step rn is seeing if the plane will fly 😂 then I’ll worry about efficiency and different props between the first and second motors.

[@AClark-gs5gl]

We (AeroTesla-Aviation/a start-up company) are currently developing a twin contra fan stand alone EDFJ and a EDFJ Jet-A/Diesel Hybrid for initial use on Experimental GA aircraft. Testing various nacelles/ogives to ensure maximum thrust, as well as the possibility of vertical thrust vectoring, to assist with rotation/Vy on take off roll and emergency climbs. Initial goal is a minimum of 350-to-375 pounds of static thrust. Ultimate Goal is to fly farther/faster than any other available e-aircraft on the market, using available battery technology. Initial tests for single configuration will be performed on a Revelaero Voodoo and twin stand alone configuration, as well as the twin hybrid configuration on what we hope will be a Velocity 4-place aircraft. Thoroughly enjoyed your video. Thank you for sharing!

[@MechNinja]

Thankyou for your compliments....🙂🙂🙂 And thanks for watching and don't forget to subscribe 😊😊😊😊😊

[@chiss2729]

Bro you’re a awesome engineer. I have a request to you “please make 3D cad design in detail tutorial”

[@MechNinja]

Thanks brother....and sure will make detail tutorial too....You can check the website to view and download awesome designs www.themechninja.com

[@ericlotze7724]

@@MechNinja A github may be a good addition as well. SERIOUSLY great build (and more importantly, good testing) !

[@FirstLast-tx3yj]

@@MechNinja so the proppelers are opposite orientation??

[@Chris-cv1ll]

If your going for high speed fans, like you have here, do a propeller balancing beforehand. Even with rc blades you buy it becomes an issue and many rc enthusiasts I know balance their propellers. This will remove most of the fast wobble that caused the propeller to come off and could make control hard.

[@MechNinja]

Thanks for your suggestion bro...but in my case the propeller cane of because of a loose nut.... but in my upcoming video...I have designed an 80 mm duct fan which has less vibrations... And I have done the propeller balancing, but as I put my propeller on balance probe than no movement happened because of its small size. But I will recheck it in my upcoming videos.....So subscribe to my channel for more videos ....and thanks for watching...😊😊😊

[@Chris-cv1ll]

@@MechNinja no problem. Will look forward to it. I 3d print as well (fdm and resin) and love seeing what others do. For your acceleration testing you might want to lube the rod to lower the friction. Then add a newton meter at the back for the engine to pull against. This will lead to easier tests where your not having to have your hands near a spinning propeller. Also linear rails are an option. It’s what my 3d printer has from an upgrade to decrease friction. If your really wanting to increase throughput make the first fan bigger then the second fan so that the second fan can spin faster with less energy (because mass farther from the center needs more energy to get to higher speeds) which is what flywheels take advantage of (more mass as far from the edge as they can). You could also use two pwm controls (one for each motor) to control the speed better. If not then arduino could convert one pwm signal to two with an algorithm. Oh and please put the wires behind a support inside the engine. They cut off a decent amount of your airflow

[@andresroca9736]

Hey pal, you are a crack. Congratulations on that low-cost/DIY oriented creativity you have. And also cool to see the true deal of engineering design: troubleshooting broken things heheh. Subscribed! Muchos saludos amigo. 🤙

[@MechNinja]

Thanks brother for the compliments..... Checkout the website for more models....themechninja.com/

[@ajumals1301]

If you reverse the pitch of the second propeller, the centrifugal force will cancel each other out. Couple that with a lower pitch second propeller will increase the power output. If you balance the blades of the propeller and other components, you can avoid the vibrations.

[@MechNinja]

Yes I have reversed it and it cancelled the centrifugal force to some point but the video was becoming long so I have skipped that part. And I have designed this ducted fan with more precision in my 80 mm EDF video. And it has less vibrations than this one. You can check it out here kzbin.info/www/bejne/qWqwe4CJjsaSaM0 And don't forget to subscribe 😊😊

[@enoch52]

Such an underrated channel, I think it's because Americans are tired of Indians scamming them which is a shame because this guy seems like he has a good heart.

[@MechNinja]

Thankyou so much for watching the video and don't forget to subscribe 😊😊😊😊

[@ckdigitaltheqof6th210]

It reminds me of the tv show, episode, "The 70s Show," where the dad tells his son pointing at a boobtube tv holding a object in his hand, his kid says, "you mean video games?" The dad says, "No the sador" ( object in his hand). Which implies today, as print weilding, in 3D.

[@roche_tech]

PLEASE I LOVE YOUR BACKGROUND MUSICS CAN YOU GIVE US LINK TO THOSE NCS. HAVE A NICE DAY

[@angelofmusic477]

Thanks for showing. A better way to measure efficiency is to measure the current consume using a clamp on DC ammeter during operation. Then measure thrust per current = thrust/ current in ampere. Then you can make better comparison of 1 fan vs 2 fan . To improve the thrust, you can add some stator blades at the exhaust end with a tapered cone. This will straitened the exhaust air flow of the fan and convert to more thrust.

[@Undertaker1134Tx]

Think you might get better results if you add a diffuser between the two fan blades

[@MechNinja]

I am definitely working on adding a diffuser but I am facing difficulties in designing it. As design of diffuser requires high knowledge of fluid dynamics...so I am working on it. So thanks for watching and don't forget to subscribe 😊😊😊

[@ЮсупМусостов-ф9и]

You doing really things 👏🏼

[@cinemantics231]

Is it possible to have an enclosed/ducted fan in a 40mm diameter pipe that can produce upwards of 30kg of thrust? I am looking to build the fastest rc plane I can. About 15 inches total length and a wing span of 1 feet and weight around 1.4 kg. I only want a flight time of about 4-6 minutes.

[@MechNinja]

Hii there, thanks for watching the video. Actually 30 Kg is way too much thrust for an electric ducted fan. And infact you require diameter is also small. If you want that much thrust then you must go with internal combustion turbine engine. And this one is my old video, you can watch my latest videos for good performing EDF. Don't forget to subscribe.

[@cinemantics231]

@@MechNinja thanks, ill check it out. Though lets say if we could fit a motor with 30kg of torque in there. Could we get enough thrust to move the plane to around 300 mph? The design i have in mind has small cross section. Something like a tomahawk, so wind resistance should be minimum.

[@peterzingler6221]

Hey mech ninja. You don't need to print the fans anymore, there are now pretty good 8 blade props that will boost your efficiency high af on bang good for actually very very cheap

[@MechNinja]

Hii there, thanks for your suggestion and I had kept searching for the propeller on banggood but could only found a smaller one. It will be a great help if you could post the link here. Thanks 😊😊

[@Mr.milliondollarspeech]

Hi man, do you have any video for a highly efficient 50mm ducted fan?

[@MechNinja]

Currently not of 50 mm. But I have made high efficient 70 mm EDF

[@Mr.milliondollarspeech]

@@MechNinja should make 50 mm the most efficient you can. It's a very popular size and a lot of projects can't be done with 70. It's too big.

[@somyagupta4779]

Thanks a lot ❤! Such a knowledgeable content videos u make 😊

[@MechNinja]

Thankyou so much....Good to see your type of people on my channel....😊

[@FirstLast-tx3yj]

@@MechNinja you should 3d print a stand that suspends the fan above the balance like a water tower You will not have much less resistance to inlet air caused by the balance and wood blocks

[@gavinwilkins5466]

Adding a stator will direct the air into the blades of second stage will make it more efficient and have more thrust

[@MechNinja]

Thanks for the suggestion bro. I am redesigning a new fan with a single propeller and also thinking to add stator blades in it. I am working on it. If you have any reference or any video then do comment and help me out. Thank you

[@sebanowski8776]

There are other compressors such as the ones with more blades per stage that are very effective but require more yeah time for making them

[@mikesherman8590]

Love it from Arizona

[@MechNinja]

Thankyou so much..... don't forget to subscribe 😊😊😊😊

[@T-omi]

You should upgrade Your thrust measuring setup, best and simplest is to use bit L shape where you attach on top motor and bottom part of L is pushing on scale and this entire contraption is rotating around corner of this L. Try it :)

[@MechNinja]

Thanks bro for suggesting it. From next time I will use that...😊 You can checkout the website for more models themechninja.com/ And also don't forget to subscribe.....😊

[@dronepilot260rc]

Subscribed because this is cool! 😎

[@MechNinja]

Thankyou bro....

[@beatrute2677]

Nice work mate.

[@parzivalepsilon]

Hey. This is great! What would be the CFM (intake and exhaust) of both the single and double propeller fan system?

[@MechNinja]

Sir currently i have not the analysis of this EDF but since so many of you have requested this...i will definitely do this from my next Video...... Thankyou for watching and don't forget to subscribe 😊😊😊😊

[@duracoatsales1273]

Can we move a boat of around 1000 kg by making this type of system in a bigger size?

[@MechNinja]

No....these propellers are designed for air.... Of you need to move a boat...the shape of the blades will be different.

[@flyingfools47]

You should try supporting it higher up above the scale. Putting it that close to the scale will severely restrict the airflow into the fan, giving it a lower thrust output

[@MechNinja]

Hmmm actually I am working to design it simmilar to a commercial one except the fact that I am trying to reduce the kv of motor to make it more efficient than the commercial ones. As soon I reach my goal then I will focus on the bigger ones. So I will keep updating my progress. So thanks for watching and don't forget to subscribe

[@wolfrc2929]

Hi, where did you get the shape of the shoulder blades?

[@redsmokefpv]

can your plans for this be made for 75mm or 50mm or 40mm sized?

[@MechNinja]

Pls check my latest videos....I have designed many EDFs of different diameters. Thankyou for watching and don't forget to subscribe 😊😊😊😊

[@universalcreation258]

This is what I was searching for Bro, I want to make a jet pack for my robot I want some suggestions from you about propeller, blades, and thrust

[@MechNinja]

Check your mail

[@universalcreation258]

@@MechNinja Ohhh...I will check

[@thefastcomputer]

Would this be more efficient than normal drone propellors?

[@aliunal1732]

WHAT DO I HAVE TO STUDY TO UNDERSTAND THE MECHANICS AND PHYSICS HOW THIS WORKS? I really want to start from scratch please help me!!!

[@MechNinja]

Its basic mechanical and fluid dynamics....you can easily understand it because I only explains the parts which can be easily understood....☺️☺️☺️ Thanks for watching and don't forget to subscribe ☺️☺️☺️

[@aliunal1732]

@@MechNinja Thanks a lot for the answer my friend! Awesome video!!!

[@dingosmoov]

Can this be scaled up to 170-195mm? Would love to see if you could get as much thrust as a Schubert or Vasyfan. I have a Method X Carbon Fiber printer that I can use to print out for you.

[@MechNinja]

Well you can scale it....but the dimensions will change.... But need not to worry... I will be designing one and test it's efficiency. Don't forget to subscribe 😊😊😊😊

[@fazrulrusdi3709]

Perhaps some stator blade at end part of exhaust could add some more thrust but not sure over it weight

[@MechNinja]

Yes bro I also want to add a stator and check the result. But the problem is that the stator needs to be attached at an specified angle and if it is not placed correctly than it will reduce the thrust. So when I perfectly find its place than I will definitely attach it Btw thanks for sharing the information. So thanks for watching and don't forget to subscribe. 😊😊😊

[@YoungPhysicistsClub1729]

hello sir, can you tell me what material you have used to print the propellers? thank you and can you tell me how much infill you are using for propellers?

[@MechNinja]

I have used PLA for 3D Printing. And in case of propellers, infill doesn't play important role because I generally print at 1.2 mm wall thickness (3 lines as nozzle dia 4 mm ). So till the time it makes 6 lines, there is a little to no space left for infill in the blades. Hope you get my point. If not then pls comment. And don't forget to subscribe...:-)

[@YoungPhysicistsClub1729]

@@MechNinja thank you sir, i have understood, i am printing a propeller with 100%infill and i will be adding a coating of supergule on it, because i will be using it for a 4300kv motor

[@MechNinja]

No need to add super glue .....it will work

[@YoungPhysicistsClub1729]

@@MechNinja sir how do u balance the propellers??

[@anuruddhaharshana9337]

Can you complete full jet

[@minepaperstudio5683]

This is fantastic content

[@claylebeouf4853]

How well will the parts print using a resin 3d printer?

[@MechNinja]

I am working on it. I will only print the propeller on a resin printer. Other parts i will print them on FDM printer. May be you can give more suggestions to me Thankyou for watching and don't forget to subscribe 😊😊😊

[@franciscoe.9989]

RESPECT = Great Presentation questions Please 1. The 12 blades were place opposite across each other but in the same angle?? for example, One set of blades in the front pointing inward to intake air, and the one in the back point outward sucking air out? 2. Did you use the same voltage and same RPM with the sigle and dual 12 blades tests??? 3. if I use same voltage in a separate test for a 5 blades ducted fan and a 12 blades ducted fan, will the 12 blades produce more thrust ( power})?????

[@nsk6914]

How much is the suction power can I use it for vaccum cleaner purpose

[@MechNinja]

I won't recommend it for vaccum cleaner because they don't have good suction pressure. Go with centrifugal compressor for vaccum cleaner.... And thankyou for watching and don't forget to subscribe 😊😊😊😊😊

[@GABRAN47]

Will two of those be enough for a hangglider?

[@MechNinja]

No...it's not that much powerfull.....For the hangglifer...you need a big one or a commercial one. Though I will be testing these ducted fans in the future and increase its thrust. Till then subscribe for more videos. Thankyou.😊

[@Akashsingh-320]

Please make a video on Thrust by different shapes of turbine

[@MechNinja]

Yes definitely in future I will compare more EDF of different types. And thanks for watching and make sure to subscribe to my channel. Thankyou

[@Mr-Litch]

This is awesome

[@MechNinja]

Thankyou for watching and don't forget to subscribe. Watch my 80 mm ducted fan, it's also good and you will definitely love it...😊😊😊

[@ltshering]

Excellent work just loved it ,

[@MechNinja]

Thanks sir.....

[@MechNinja]

Visit themechninja.com/ for more professional products

[@ltshering]

@@MechNinja will sure visit the site thanx for sharing

[@JorgeArrieta-t9b]

hola soy de venezuela y me gusta tu proyecto pero una pregunta quisiera saber si hay un motor electrico que pueda dar unas 300.000 rpm y si lo hay adonde lo puedo conseguir

[@MechNinja]

300000 rpm is too much to ask for....you have to make customise motor for it....and also I am not sure that the bearing can handle that.mich rpm..... For this much rpm ...you have to design it... Thankyou for watching and don't forget to subscribe 😊😊😊😊

[@JorgeArrieta-t9b]

ok muchas gracias lo que pasa que hice una fuente de energia constante que produce electricidad sin agotarse por mas de 5 años y te preguntaban por el motor de alta rpm poara hacer una turbina de fuerte empuje

[@speakeasyconfidential2722]

What is the best way to contact you about a duct/fan/motor problem I am working on?

[@MechNinja]

Mail me at [e-mail]

[@nikkip3385]

Is there a specific reason the blades aren't flat on one side? Would make it an awful lot easier to print! Had at least a dozen attempts so far at the back fan with raft, brim, neither, supports or no supports and nothing is working yet. Ender 3 creality white pla. tried both 210° & 220° for extruder 60° & 70° bed 50ms print speed

[@MechNinja]

Hope you'll understand this if you are from an engineering background....they are deliberately made curved for low air pressure generation... Btw for Ender 3, Use support generation and set the support angle to 75 degree so that the support will only be generated at the bottom edge of the blade. And then you can later remove it from cutter. I have also printed those on Ender 3. And sorry for the inconvenience caused. From next time I will show the printing method too....😊😊😊

[@nikkip3385]

@@MechNinja thanks for the reply. have finally got something usable after playing with the support angle degrees. Creality slicer is currently set at 2°. Anything much higher and the support doesn't start at the base of the blade which results in failure in the first few layers. Still lots of stringing on the bottom edges that needs trimming off. When you say "deliberately made curved for low air pressure" would you mostly be referring to proper full size functioning turbines? Personally I'd have still designed half of the bottom edge flat for ease of printing. When I say bottom edge, I'm laying the design flat with the logo sat in the print bed. And yes I'm from a mechanical engineering background. And I'll also add a thank you for sharing the files. Would take me years to learn how to make something similar starting from scratch on freecad. 😊

[@Raycefan]

I need a 70mm fan for a few of my rc airplanes. If I reduce the size of this in Cura to 70%, since this makes a 100mm fan, would I get the results and the 70mm fan I am looking for?

[@MechNinja]

Yes definitely you can reduce its size ....but not 70% .....reduce it by 30% then you will receive 70 mm dia case. Hope you get it bro.... 🙂🙂

[@Raycefan]

@@MechNinja I got it. We said the same thing. I didn’t mean reduce it 70%, I meant reduce it to 70% of the original size, making it 30% smaller. I am going to print this right now!

[@MechNinja]

Yups.....But then you will have another problem...😁😁 The holes for the motor will also shrink... Currently I have designed it for standard size of 16mm and 19 mm apart. So I have a solution for you. Drilling new holes might work but the problem will be center alignment, so just drill it and if that won't work then mail me at [e-mail] then I will send you the updated file of 70 mm. But before that you have to purchase the file from the website.... Thankyou 😊😊

[@stevec7596]

Nice fan. Try printing in polymax pc. I have printed fans that held together with nearly 2000 watts input.

[@MechNinja]

I have printed it with PLA and it hasn't created any problem yet. 😊😊 But will there any advantage in printing it with polymax pc ?...😊😊

[@stevec7596]

@@MechNinja if you want to build one with over 2,000 grams of thrust, pla would probably explode. I've even blown up pc rotors, but with big motors running 6s lipo at 100 amps

[@MechNinja]

Yes yes sure ....when I will go above 1000 gram then I will definitely change the material. But before 1000 gram I will work with PLA....and btw thanks for sharing the information.....☺️☺️☺️

[@emanuelcalderon]

You should make a drone with it.

[@MechNinja]

Yes definitely, I was doing upgradation till I got my best results. And now I have designed a good EDF. Do check my "80 mm EDF video" It's so cool and knowledgeable.... So thanks for watching and don't forget to subscribe 😊😊😊😊

[@officialcaptain14]

I love this video I’m trying to design my own dual copter 1.with 4 wings and one with a ufo 🛸 idea

[@MechNinja]

Thanks for your support....😊😊😊 Subscribe for more videos 😊

[@Arontheking]

I want to buy an 5000kv edf can you test the results

[@MechNinja]

What is the thrust requirements ?

[@coolfiy2005]

Bro you’re a awesome engineer. I want to the 3D Printer Files，Where can I download it？

[@MechNinja]

From the website.....The link is in the description of the video

[@andersgren8068]

@@MechNinja the dubbel motor fan files? whant that..

[@diegovigano6322]

Do you think that i could use this with a dust filter and dust cyclone to make a mini vacuum cleaner for my lab?

[@MechNinja]

Yes sure.....It has a high suction capacity......😊

[@diegovigano6322]

@@MechNinja thank you very much! You have fans from Italy 🇮🇹🍕🍝

[@MechNinja]

Thanks brother...😊

[@diegovigano6322]

@@MechNinja Just another question... Is It possibile to use a 1400kv motor on this 3d model instead of the 1000kv One? Or there are differences in dimensions?

[@MechNinja]

@@diegovigano6322 yes sure you can use the 1400kv motor....I too had used it earlier and it was working perfectly....But I shouldn't suggest to go above 1400kv as It might blow the propeller.....😊

[@peterboy209]

Neat, 👍 I'd like to buy one

[@MechNinja]

Mail me at [e-mail]

[@joserolandsancheromero4440]

Espectacular, superó mis expectativas ❤️cuando vas hacer el video de la otra turbina a su máximo poder??

[@jaideeph6985]

I have bought 4 ducted fans .. all rotates in clockwise direction .. is there a way that I can reverse the rotation of 2 ducted fans to counter clock wise direction ??

[@MechNinja]

From where have you bought it ?

[@jaideeph6985]

@@MechNinja some website that is closed now . Can you answer if its possible to counter rotate ducted fans ??

[@MechNinja]

@@jaideeph6985 well the problem with EDF blade is that it don't work backwards....so hence you need to design a seperate blade for it

[@jaideeph6985]

Okay I am not a drone expert but one question , even if we design a separate blade , the motor will rotate in the same direction. How can we change the motors direction ?

[@MechNinja]

@@jaideeph6985 brushless motors has 3 wires, swap any two wires and the direction will be reversed....

[@mrwaseem574]

EDF JET jab best hai jab 1kg se uper thrust banai ...1000kv 10inch pro .to 800gm thrust banata hai 25min fly time only plane ...

[@englishplease8726]

How many milimeter size is this EDF ducted fan??..... 70mm or what ?

[@MechNinja]

It's dia is 100 mm

[@cliffcampbell8827]

That is a bit of an inefficient way to measure thrust because you're starving the intake of air with the scale and those wooden blocks. If you want your measurements to be a little more accurate, may I suggest a digital hanging scale? Fishermen often use a hanging type of scale to measure the weight of the fish they caught. If you suspend your ducted fans (intake down, thrust nozzle up) from the scale, zero out the scale then turn it on, you won't have any restrictions blocking your intake and a smoother flow of air through the unit.

[@MechNinja]

Thanks for sharing the information and I really appreciate your suggestion. Yes I know that was improper way to measure thrust but it was my starting video. But my new videos has a different mechanisms to calculate thrust. Could you please watch the new EDF video and tell me that the thrust calculation is proper or not. Thankyou for your suggestion and thanks for watching and don't forget to subscribe Here is the link for the video kzbin.info/www/bejne/qWqwe4CJjsaSaM0

[@OnerousEthic]

Wow! Could you please plan to render the engine in high strength/monochrystalin ceramics, and build a low-cost J58 for stratospheric operation?

[@MechNinja]

Building a low cost J58 Engine for stratospheric operation is also expensive with respect to my funds....Hope you understand. But when my channel grew up I am planning to make my models into actual product. So pls subscribe to my channel and don't miss any video....:-)

[@pavanmysore5282]

I have purchased these STL files. I am seeing issue printing the blades. What settings to use? The edges of the blade on the side facing the bed is getting spoilt its not smooth. Any inputs?

[@MechNinja]

Let me know the printer you are using, then I will send you the settings.

[@pavanmysore5282]

@@MechNinja Ender 3

[@pavanmysore5282]

I am using Ender 3 with Simplify 3d

[@MechNinja]

Good...I have also printed it with Ender 3. Use 50mm/sec speed, 0.2 mm layer height and Use support. And since it's monsoon time, then check your PLA temperature from temperature tower.

[@MechNinja]

And If you are pro in simplyfy 3D then it's great or you can go for cura

[@ИльсафБасыров-в3к]

Вай! Спасибо огромное вам!) Я такое не знал , теперь есть желание сделать самолёт И-76)

[@fakeaccount9139]

why so less views

[@MechNinja]

Coz I have less subscribers....😅😅...hope you can help me increasing those ....🤗🤗...so like share and subscribe...😊

[@williamratliffe2606]

Where do you find housing like that?

[@MechNinja]

Each and every part in this ducted fan is 3D printed. You can download the files from the links in the description. Thanks for watching and don't forget to subscribe 😊😊😊😊

[@bhargavmehta8459]

I want to buy this... please tell me how can I buy it

[@MechNinja]

Mail me at [e-mail]

[@prajwalrp4639]

Can u make a ionic space thruster???

[@AClark-gs5gl]

Would he interesting to see all results without the exhaust housing/cone. Please consider doing so. Thank you, Tech Ninja!

[@chaohongli2329]

I have an innovative and intelligent air duct fan, which is connected to WiFi and can be operated by mobile phones. It is more convenient and faster. I would like to invite you to review it, and then help me make a 1-minute video. You can contact me directly

[@prajwalrp4639]

Please help me in doing ionic space thruster

[@chiilin6224]

Could this be used for a Rc airplane?

[@MechNinja]

I am working on one. I will post it as soon as it gets completed...So pls subscribe the channel....😊

[@031ศิววุฒิชูฉิม]

What is the fan material?

[@misc5831]

Did you balance the prop first?

[@MechNinja]

No I haven't balanced the prop as it was too small and it doesn't have enough weight disbalance that we have to balance it. Only I was afraid to use a higher rpm motor because it may brake the propeller bcoz of high centrifugal force. My upcoming videos are on aviation and robotics so subscribe to the channel so that you don't miss any videos... Thankyou 😊😊

[@misc5831]

@@MechNinja The unit is vibrating a lot! That is because it is unbalanced.

[@mdeditz313]

We can build an rc plane with this engine???

[@MechNinja]

Hmm bro this one is a little bit heavy as compared to its weight, But I am working on alight weight one and it will be available in a month. Till then you can watch my other videos and don't forget to subscribe the channel. Thank you

[@VorpalForceField]

neat idea but way to much spinning mass for a ducted fan setup.. reduce blade count and tighten tolerances to increase efficiency

[@MechNinja]

Yes this was my first ducted fan build. But you can checkout my new video of 80 mm ducted fan. I have improvised it's design and also done an accurate thrust test. Hope you will like it .... And Thanks for watching and subscribe for more videos thankyou 😊😊😊

[@YoungPhysicistsClub1729]

sir is it safe to use 3d printed propellers for 4300kv motor?

[@MechNinja]

Yes you can go for it...it will be better if you print them with ABS. But PLA will also work. But remember to wear safety glasses.....

[@YoungPhysicistsClub1729]

@@MechNinja of course sir, i will be wearing safety glasses, but can you kindly explain why abs is better than pla?

[@MechNinja]

It is only a little bit stronger than PLA but a disadvantage is that it is brittle as compared to PLA.

[@YoungPhysicistsClub1729]

@@MechNinja ohhh ok i understand, but will pla be better at handling radial tension or will abs be better for handling radial tension (btw, radial tension is when the propeller expands when spinning at high rpm)

[@MechNinja]

Yes i know about radial tesnion...😂😂 I am a mechanical engineer 😅😅...Well for breaking a propeller with radial tension, we need very high rpm. But since our weight is less then I don't think so the propeller will undergo a fracture. And it also depends on the size of propeller because big propellers weight much and since it will be 3D printed then a little assemettricity will cause vibration and their are more chances of failure. And since ABS is brittle as compared to PLA then you must go with PLA.

[@JuanPabloMedinaStumpfs]

Are they counterrotating??

[@MechNinja]

Yes they both are counter rotating. I did it to cancel each other rotational torque exerted on the main frame. But In my upcoming video I am doing a thrust test of it with clockwise and counter clockwise direction. So subscribe the channel for more videos. Thankyou 😊

[@rapt3rclaw712]

What cfm or cmm are you getting from the dual fan?

[@questlouis1236]

Would you try to make a tripple propeller engine Please

[@sanashams322]

The only thing is well we get scared also this is perfect to put on a airliner

[@toddlawson666]

amazing bro. I have sent you an email. Thank you very much for sharing your expertise.

[@MechNinja]

I haven't received any mail bro... Could you resend me at [e-mail]

[@toddlawson666]

@@MechNinja sent! thank you

[@misc5831]

nice! 👍

[@MechNinja]

Thanks

[@jaimedelosrios2977]

1) What material did you use for your prints? 2) Do you know what RPM did you reach? It looks like you are using a 3S battery pack so for a 1000KV motor , the theoretical max RPM would be 12.6 * 1000 = 12,600 RPM I would like to print an 11 blade fan, less probability to induce resonant behavior. 3) Is there a way to get the actual model from you? Even if it means royalties. This request is for personal use, not intending to make money out of it. If not possible, and not much effort on your part, can you produce an STL with 11 blades? Jaime (in the USA)

[@MechNinja]

I have used PLA for printing.... Actually this was my old video so i haven't checked it's rpm Yes bro I am using a 3S battery pack... But I would definitely suggest you to watch my new EDFs video... They have more thrust and I have also improved their design. And also you can find the link in the description of all the files.....

[@MechNinja]

And thankyou for watching and don't forget to subscribe to my channel 🙂🙂🙂🙂

[@NewRCPlaneIndia]

आपको इसमे 2212 2200kv या 2212 2800kv मोटर यूज करनी चाहिए थी और बैटरी भी अलग अलग लगानी चाहिए या सिंगल बैटरी लगाए तो कम्पनी की 50c से ऊपर की और 40 एम्पियर की इस यूज करेगे तो थ्रस्ट 1200 ग्राम से ज्यादा मिलेगा आपको

[@aryanpandey8759]

I need your help.... please reply me

[@MechNinja]

Sorry for replying late...yes tell me

[@aryanpandey8759]

@@MechNinja it's ok.....and thanks for reply me

[@aryanpandey8759]

@@MechNinja please help me

[@dheerajchowdhary2584]

what's the blade angle....?

[@MechNinja]

It's between 35 to 40 degrees

[@SametICI-dw7qb]

Bütün elektrikli hava araçlarının havada günlerce haftalarca hatta aylarca havada kalabilecek projelerim var, mazot yok benzin yok gaz yok güneş enerjisi yok rüzgar enerjisi yok batarya yok, hava kara deniz askeri sivil her alanda kullanabilirsiniz

[@ronronchau]

sounds good, why not drop it to thingiverse?

[@MechNinja]

I have uploaded on the website themechninja.com/shop-2/ You can download it from there.....and don't forget to subscribe the channel... Thankyou...😊

[@harshanani980]

Make an rc f35 fighter jet bro... Which takeoff vertically

[@MechNinja]

Bro checkout this video...kzbin.info/www/bejne/p2Hbn6yNe8aeotk You will be amazed to watch it... And the files will be soon available in the description And don't forget to subscribe..:-)

[@robsonpereira3001]

For sale two turbines jet ? Post for Brazil .....How many ? U$ with tax?

[@MechNinja]

Send you address to [e-mail]

[@myssba]

There are illogicalities. EDF 30 mm in that size. It gives as much thrust as EDF. Engine insufficient, insufficient battery.The test environment is insufficient. etc.

[@MechNinja]

I will improve it bro...and you can check my new video....I have improved the quality....and thankyou for watching and don't forget to subscribe 😊😊😊😊

[@nono-z2j5m]

How much it cost

[@MechNinja]

Please check on the website... www.themechninja.com

[@sebastianh216]

you can't test thrust like that! you are partially covering the air inlet, your measurement is incorrect

[@MechNinja]

From next tym I will be using more professional methods. Subscribe to my channel for more videos. Thankyou

[@drdino9368]

I need to buy this. Can you provide me?

[@MechNinja]

Website link is in the description www.themechninja.com

[@drdino9368]

I can't pay in usd. Please provide me Indian link

[@MechNinja]

Do you want the digital file or 3D Printed parts ?

[@drdino9368]

3D printed parts

[@yilmazbozaci7641]

How can I buy with a credit card?

[@MechNinja]

You can buy using PayPal

[@yilmazbozaci7641]

@@MechNinja I cannot open an account because Paypal cannot be used in Turkey. That's why I can't use it now.

[@ddizon666]

i need 90mm edf

[@MechNinja]

You can purchase the design file from www.themechninja.com

[@MimicoBungalow]

...upgradation?

[@MechNinja]

Bro checkout this video...kzbin.info/www/bejne/p2Hbn6yNe8aeotk You will be amazed to watch it... And the files will be soon available in the description And don't forget to subscribe..:-)