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Turnigy GliderDrive SK3 Competition Series - 3858 - 4.6 840kv

Turnigy GliderDrive SK3 Competition Series - 3858 - 4.6 840kv

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$38.89
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Weight:
259 g
SKU:
9192000099

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Product
Description

Turnigy SK3 Competition Series motors are the newest addition to our SK3 motor line-up offering the absolute best quality, performance and efficiency for your model on a competition level. Each and every SK3 Competition Series motor is thoroughly inspected and tested to ensure the high efficiency and top performance required for meeting the demands of competition flying.

Turnigy GliderDrive Competition Series motors are top quality outrunners designed specifically for use in today's high performance glider models. These motors are effectively an "outrunner in a can" meaning that the outside of the motor does not spin. This gives you the mounting advantages of an inrunner by not having to worry about clearance for the outside of the motor can to spin. They also feature a tapered front end allowing them to fit into the slim nose of most gliders/hotliners with ease.

We instructed our engineers to source the best quality magnets, bearings and materials available to them and develop a motor that would not only rival, but surpass the quality of many leading motor manufacturers on the market today.

The result is an efficient, high caliber motor using quality double shielded bearings, sintered Neodymium magnets and a string wound stator ensuring an accurate and consistent winding each and every time.

The Turnigy SK3 motors are suited to modelers who are seeking a top quality brushless motor without compromise.

This motor is designed for use in gliders/hotliners running on 3~5S Lipo batteries and swinging propellers in the range of 10~14 inch diameter.

Specs:
Turns: 10T
Voltage: 3~5S Lipoly
RPM/V: 840kv
Motor Poles: 14
Internal resistance: 0.031 Ohm
Max Loading: 45A
Max Power: 830W
Shaft Diameter: 5mm
Shaft Length: 20mm
Mounting screw Spacing: 25mm (M3x4)
Connector: 3.5mm bullet
Weight: 180g

Product
Specifications

Additional Information

  • SKU:
    9192000099
  • Brand:
    Turnigy
  • Weight(g)
    259.00
  • Length
    110.00
  • Width:
    50.00
  • Height:
    80.00
  • Kv(rpm/v)
    840.00
  • Max Currents (A)
    45.00
  • Power (W):
    830.00
  • Length B (mm):
    58.00
  • Can Length D(mm)
    58.00
  • Max Voltage(V)
    19.00
  • Shaft A(mm):
    5.00
  • Unit Weight (g):
    180
  • Diameter C(mm)
    38.00
  • Total Length E(mm)
    82.00
  • Resistance (mh):
    0.00
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Value
Quality
Overall
I've purchased 2 of these and 1 960 kv model of same series. Boy do these things run hot. I took one apart and noticed that the outside can does indeed contain the bearings. So first of all this is not truly an outrunner in a can. It's both and neither at the same time. Semantics? Not quite. As the can screws on there is too much tolerance designed into the the bearing in the top of screwed in can. Put another way by swinging a 12 inch prop, god forbid with a nice spinner, the forces on the shaft on the can end are too great and the motor gets ridiculously hot. And air flow won't solve this problem. You can unscrew and rotate can to find the sweet spot but the aluminum can is really not strong enough to handle the lateral forces from swinging a big prop. CERTAINLY NOT FORGIVING IF THE PROP/SPINNER ARE OUT OF BALANCE! With that said running an 8 inch propeller works great. And this motor is very efficient drawing less than 30 amps on 4s running such a setup. However there are plenty of $10 motors that spin an 8 inch propeller equally as well. So I think this is an OK motor but overpriced and definitely not what you want for swinging a 12-14 inch prop and spinner. A shame really because if the can were more robust this motor would rock (hint to HK for version 2)
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Value
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I've purchased 2 of these and 1 960 kv model of same series. Boy do these things run hot. I took one apart and noticed that the outside can does indeed contain the bearings. So first of all this is not truly an outrunner in a can. It's both and neither at the same time. Semantics? Not quite. As the can screws on there is too much tolerance designed into the the bearing in the top of screwed in can. Put another way by swinging a 12 inch prop, god forbid with a nice spinner, the forces on the shaft on the can end are too great and the motor gets ridiculously hot. And air flow won't solve this problem. You can unscrew and rotate can to find the sweet spot but the aluminum can is really not strong enough to handle the lateral forces from swinging a big prop. CERTAINLY NOT FORGIVING IF THE PROP/SPINNER ARE OUT OF BALANCE! With that said running an 8 inch propeller works great. And this motor is very efficient drawinf less than 30 amps on 4s running such a setup. However there are plenty of $10 motors that spin an 8 inch propeller equally as well. So I think this is an OK motor but overpriced and definitely not what you want for swinging a 12-14 inch prop and spinner. A shame really because if the can were more robust this motor would rock (hint to HK for version 2)
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Restock in EU Warehouse pls !
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Very powerful motor. I use it in a 2 meter hotliner and it goes straight upward. Just a few seconds until the plane is out of sight, so be careful!
Setup is 12x8 folding prop, 80A ESC, 4S 3200mAh 30C battery.
Weight of plane including all components 1560g.
Climbing rate is about 30m/sec.

But you can’t compare it to a competition setup with a >1000 watts inrunner gearbox. This motor can’t compete with such a thing but keep in mind that it costs just a fraction of a pro-setup.

If you’re looking for a cheap and powerful motor for flying small fast gliders for fun, this is your weapon of choice!
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3meter 3kg F3B glider (Flower3) / 45er Adapter/ 13x8 aero-naut CAMCarbon = 61Amps 7seconds 100meter!
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Super Motor :)

Bin total begeistert ist sehr hochwertig :)
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I have this motor in a 4M ALES glider 1940g with a 12X6 prop. Pulls 30A at 10.8V (3 cell) gives 7800rpm. I have it in a CLM Pro fuse that fits perfectly. Last year I ran it with a 3 Cell 1300mAh battery and was able to get to 150M easily in 30 sec. This year I will use a 4 cell and have practiced getting to 200M in 25 seconds repeatedly. It pushes the limits a bit at 41A and 14.8V with the 12X6 prop, but it's a 25 sec run. I might try it with an 11X8 prop, I hear that works pretty well.
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These are very good and way cheaper than their MVVS equivalent. Best choice for an ALES or F5J glider up to 2.3 KG. This more brings my 2.2 KG Xplorer to 200 meters in 23 seconds and my 1.8 KG Gracia to 200 meters in 19 seconds.

Best battery for it: 4S 2200 ASPEC.

Best folding prop: 13 X 7
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I have burnt out two of the these motors now. Both at partial throttle and both in the 5-7 minute flight time. They just get too hot. An outrunner in a can is not ideal for getting air through the motor
Running 60 Amp ESC turning a 13x6 folding prop.

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Der Motor wird mit eienr 14x8 Camfols Prop in eienr LS3 Multiplex eingesetzt . Betrieben mit einem 4500mah 3S Lipo mit 35C. Gewicht 3,6 Kg
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