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The Hobbyking Alloy EDF series are pre-assembled and dynamically balanced making them simple and easy to fit, no unit assembly is required. As well as high power, these fans run so smoothly, the sound is amazing. The high quality CNC alloy housing not only eliminates distortion but also promotes superior cooling compared to a plastic unit.
Features: Pre-assembled Factory dynamically balanced High power with superior cooling Fully servicable Fast to fit CNC alloy construction Thermal Past used in assembly
Specs: Rotor Diameter: 68mm 5 Blade Outer Diameter: 73mm Weight: 242g with 3.5mm Connectors Motor: 2850 Brushless Inrunner 2399kv Max RPM: 50,000 Max Power: 900w Max Amps: 44A Max Thrust: 1.7kg
yes pefect fit u need to make the rails to support it but if u have the viper u alrady know this..
the wattage and thrust will be more than enough eg the right amount of power *}
I don't see any reviews for this fan. Has anyone actually purchased it? I don't trust HK's specs and won't spend $100 for something that doesn't work as advertised.
Only one review posed and the person notes pulling 1600 watts on 6S. That's twice the amp draw noted in the product description. One of the two sources of information is totally out to lunch. What's the real story here? Anyone know what this setup actually produces?
Mine pulls exactly 44A on full throttle! Accurate specs then. It also says in the manual that if it pulls much more than 44A then you should change your ESC timing. I'm using a 60A plush ESC
Ran the fan using 2x 2200 3S 35-70C nonotech batteries in series. Getting only 1200gm of thrust. Very disappointing
Customer Reviews
Overall Rating
CHRIS
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I bench tested this motor on 22 volt setup (6s) and it produced 2.5 kg of thrust with a HK 90 OPTO 100 burst ESC. It started to get a little hot after 5 seconds full throttle- but that is to be expected when it is pulling 1600 watts! I will put this thing in a fiberglass F-16 that I have waiting and it should do around 150 mph striaght and level. HK will sell these like donuts when the news gets out.
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vic3135
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very poor quality , I bought two from HK . one DOA another one install on my F22 during test is ok however motor die in first flight , return to HK.
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Dirk
8 likes
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I use this fan in the Durafly Sea Vixen.
It runs very good and is well balanced.
Power consumption with fully charges batteries seems to be around 1000W, a bit more than the rated 900W.
But that's ok with me ;-)
There is one point where you have to be careful:
The edges where the cables com out of the motor housing are sharp like a knife!
I softened these with some tape, but I think that's a job for the manufacturer!
Therefore only three stars for quality.
I was surprised of the sound of this edf:
When mounted in the plane it' not the shrill sound I expected, but sounds a bit like turbine?
Great!
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