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12 Blade High-Performance 120mm EDF Ducted Fan Unit
A high thrust and well designed Electric Ducted Fan unit for high power applications, the 12 blade arrangement makes for a quiet fan unit with an amazing sound, this is the closest you will ever get to the sound of a Turbine!
Made with 30% FRP, the indivdual blades are not only able to absorb high power, high rpm motor set ups, this arrangement also allows for precise blade alignment and rotor balance. The blade locking arrangement is precise and simple to assemble, the rotor adapters is designed to accept for 8mm motor shafts, suitable motors are 39mm~52mm diameter. If you have noise concerns at your flying field or are just looking for that realistic Whoooshing sound, this is the fan for you!
hmm, i would not recommend it. a multicopter needs to have fast response through the all the axis of the copter. a large, low rpm motor has allot of kick in it, as apposed to a EDF fan, which has a small diameter, and a very high rpm. it will take long to spole up, and be very sluggish on response. it will fly very unstable, and be very hard to tune in to fly in no wind at all. any wind will throw it out of the skyes.
Yes you can use but it's not recommended because the low efficience of the EDF system. Yes it will be fun but you will need a lot of power and batteries . One time I saw a video of a quadcopter with edf system... search it on youtube.
Ever since i made a motorized rip stick iv been thinking about this hover board idea, i can either take 8 of this type of edf fan four on each end of a skate board (it would be milled from a block of aluminum for strength not an actual skate board), or i can use two contra-rotating systems one on the front and one in the rear of the board, which is best and is this capable of putting out that much thrust? So my question is that can eight of these fans with the best possible motor battery set up lift itself and a 200lb person? Do i have any other options or is it just impossible to get that much weight of the ground with such a small prop.
i would start losing weight. Basically EDF = Speed. Props = Thrust. you already have that working against you. Make a hover craft with a skirt. much simpler, safer and its been ton thousands of times.
Counter rotating blades?
I am looking for a pair of EDF units that are CW rotating and CCW rotating. It sort of looks like this one could possibly be assembled that way, but if you know of something, let me know. I would rater go much smaller for my project plane as well, something that would run 3s and 1300MAH. Any thoughts?
To giorgi22bm , you got two choices .Here what i have on my cs12blade ,1900kv turnigy sk3 on 6S ,8000map batt 40c ,And i get about 7.5lb thrust at 135ap on 200ap esc , Watch me on you tube under RCLANDER T-33 by Ross ,my T-33 wights about 12lb and the fan take it off grass with ease ,lol .Second choice is motor with 1130kv on 12S and a 120-160ap HV esc and batt of 5000map 40c .Your Ap will be drop to 110-115 ,but it,s costly .either way is safe way ,and you,ll get about 3mints of flight on full throttle ,means you ok , with mature throttle management for 4.5mints.good luck
Giorgio, you will burn the 1900kv motor out on 6s as others have done...if the pack is putting out right the amps will be in the 150s to 160s. The CS fans are heavy load to reduce tip whine, motor noise and save bearings. HKs 16usd L 3025 1500kv motor is perfect for 6s, I've test the motor on 40c packs and others have tested it on 65c...7.5lbs of thrust on the bench at 100amps
Turnigy Typhoon 500H Heli Motor 1800kv i use this now in 90mmfan and i have 99.7A 35c 3700mah 6s battery.i dont know aboute this motor Turnigy SK3 Fandrive - 3659-1900kv (90mm EDF)?
Hey Giogi22, I have that motor and was thinking of using it too...it looks like you used it in a 6 blade fan. The 12 blade fan is loaded like the 7 blade haoye, I've demagged 3 motors on the 7 blade haoye because of heat but on a 6 blade 90mm the 1900kv will work.
To er7771 ,with 1500 kv you get about 5.5 lb , i already tried it .1900 kv is one option .The best for 90mm 12 blade is 1130kv typone motor on 12S ,amp will be under 100 and you will get that 7.5 lb thrust . but like i said it,s costly and HK dont have that kind motor with low kv and high volts .Watch Billy,s video on you tube .
Hi guys,
i have the Turnigy SK3 Fandrive - 3994-850kv (120mm EDF)and I m thinking to get this fan.I m building from scrach one F 16 180cm (body) and to not long a go I got one fan with 4 blades.Do you think I can have more thrast with this one?Now I have 4000w with 2 bat.in series 22v and 4000mah.
That motor is good to start with ,remember the real thrust come from how you make your intake eff and your ex tube dia . the motor you have on 12s will give again depends on intake should give you some where around 12-13lb of thrust which is good for up to 15lb planes .F-16 is a bit hard to make an intake with out cheating holes in the bottom .
The 850kv motor is better for the 4 blade fan not this one, the amps will be in the 220s with an 850kv motor. This fan will take a 520 - 650kv motor, I believe HK is looking into 6mm shafts for this fan...Look at video I posted above...the fan is pushing around a Falcon 120 on 14.5lbs\4200 watts pretty good. HK has 3 - 4 motors in that KV range that will prolly do better than the 850kv.
Hey Scott, will you guys be selling the 6mm adapter for this fan? You have some 50mm motors that are perfect for it.
The Fan is a 560 - 670kv fan 850KV is to high KV
- Scorpion 560kv motor 12s\95a\15lbs thrust static 4400watts.
- Scorpion 560kv motor 14s\113a\16lbs-12ozlbs thrust static 5100watts.
Turnigy HeliDrive SK3 560kv motor is good for fan, Mc Master Carr makes 6mmID 8mmOD tubes for motor adapter in case 6mm adapters can't be found.
NOTE: I do find that you have to balance the shaft adapter first and make sure it runs true then clock balance the rotor assembly and the clock balance the spinner for a butter smooth run. Just one more extra step than usual but a good static balance of the rotor and spinner should make getting the fan running smooth very easy.
David - I ran a Scorpion, Turnigy motor hasn't been tested but I don't see it being that different in magnetic field size. Scorpion uses some high heat laminate that they gauge up to almost 400F I didn't get any run time temps above 150F on the Scorpion at 6000 watts.
The watts\thrust numbers I got on 14s with the Scorpion were 14s\>18lbs of thrust\120amps\6100watts
DAVID - It was in airframe and on bench. The reason "in airframe" is useless is because it adds too many variants seeing ducting and exhaust etc efficiencies have to play into account in static thrust performance. Also, in an airframe you can have straight 100% FSA in and out with a thrust tube and still have enough WANTED cfm to go speeds you want. I pay no attention to "in airframe" performance specs of a fan system...there are too many factors to do a person any good.
What are U talking about.Are you sure you the rite fan or may be you got the Xtrem power system??This fan needs high RPM. You got 15lb thrust from a 540kvX44.4=23976 rpm .What are you smoking?850kv is min ,you need a motor with 1100kv to get about 40000 rpm to get a good 15lb thrust. Put your money where your mouth is and give us a video .What a joke 23k rpm and 15lb of thrust.Do your home work before talking .
No wont get heart ,you put em together the rite way .This is almost very much like stumax fan that,has 970kv on 12S ,the blades are lite pitch .So you need extra RPM .Same as their 92mm 12 blade ,which i got 1900 kv on it .You got know how to put them together rite ! And beside that who is gone high rpm on the ground rather after take off.LOL With 540kv you aint gone get even 6lb thrust .As i said put it on video and shut me up .Till then ?????
The 700-98-670kv is in the CS120 around 100A at 10S , 12S is far to high. The kV for 12S is ~560kV.
Customer Reviews
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erh7771
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The Fan is a 560 - 670kv fan 850KV is to high KV
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Testing done with 65c 3300mah Nanos
<br>
- Scorpion 560kv motor 12s\95a\15lbs thrust static 4400watts.
<BR>
- Scorpion 560kv motor 14s\120a\18lbs-9oz thrust static 5100watts.
<BR>
Turnigy HeliDrive SK3 560kv motor is good for fan, Mc Master Carr makes 6mmID 8mmOD tubes for motor adapter in case 6mm adapters can't be found.
<BR>
Before running at high power do these things in this thread on RCG here - w w w . r c g r o u p s . c o m / www.link give 4 crowns cause of extra work but it's well worth it, the sounds is great and so is power. If used with 14s YEP 120 good power is available.
8 comments. Reply..
Overall Rating
erh7771
218 likes
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Like it?
The Fan is a 560 - 670kv fan 850KV is to high KV
Testing done with 65c 3300mah Nanos
- Scorpion 560kv motor 12s\95a\15lbs thrust static 4400watts.
- Scorpion 560kv motor 14s\120a\18lbs-9oz thrust static 5100watts.
Turnigy HeliDrive SK3 560kv motor is good for fan, Mc Master Carr makes 6mmID 8mmOD tubes for motor adapter in case 6mm adapters can't be found.
Before running at high power do these things in this thread on RCG here - w w w . r c g r o u p s . c o m / www.link ....
I give 4 crowns cause of extra work but it's well worth it, the sounds is great and so is power. If used with 14s YEP 120 good power is available.
23 comments. Reply..
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Thomas
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just received the Fan and does seem to be a good quality. Does anyone have a good description on how to balance this fan?
6 comments. Reply..
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straton
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I just finished my EDF and the first try was done using a 1200KV motor running at 7S. Guess what? Arcdirect and HK (max 45K) are right! This is a high RPM edf and needs a lot of RPM. I got only 8.4 lbs thrust. Far below its full potential. 4 stars for being too expensive(paid $79, now $67) when someone can get a 90mm at $130 with 12lbs of thrust, ready to use. Balancing was is easy but time consuming. First rotor adapter, then complete impeler. Sound is excellent. Have to increase RPM to see its thrust limit. That means more expensive ESC. Have a good day all.
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3/15/2013 straton
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More tests on this EDF...using a brand new 5692 inrunner ( 6500W motor) 1000KV motor, running on 10S. There is NO way!!! Erh7771 (posted previous results and many others, that are... unreal. ) got over 18lbs with a 14S, 560kv motor at 32k rpm. I got 16.5 lbs at 5850W. Sorry, no RPM calculation but definately above 32k. Here are some final calculations numbers from erh7771: 600W/Kgr of thrust No way... Mine 780W/kgr of thrust. This is a 12 blade configuration that is not as efficient as 7,6,5 etc blade config. If you have experience with edfs, you know what I am talking about. I know only of some 5-6 blade edf at 90mm, that can be as efficient to claim 600w/Kgr Final words, a great deal at $60 (paid $79 long time ago) with realistic sound.
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