Turnigy Aerodrive SK3 - 4250-410KV Brushless Outrunner Motor

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Prop adaptor poor quality

Mar 17, 2021

The motor operates as it should. However the alloy prop adaptor is badly designed. It is small diameter alloy with a hollow shaft. It’s only a matter of time before it snaps. In true HobbyKing style, parts are not available and the “notify me” request sits in limbo today. Without the prop adaptor, the motor is useless.

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It's okay

Jan 29, 2021

It's okay.

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Smooth running motor - eventually

Jan 25, 2021

This motor was bought to power a 4m scale glider in FES mode. To accommodate a collet drive for a folding prop, the shaft had to be reversed - a collar is provide with the motor to enable this to take place. To remove the shaft the set screws have to be remove and the circlip, at the back of the motor removed ( the circlip is not needed again but the brass washer needs to be retained).
The set screws are glued in and are impossible to loosen with an Allen key. The trick is to apply a few seconds of heat, from a pin-point blowtorch flame to the setscrews (one at a time), protecting the motor with a thick, wet cloth. The screws then easily release and the shaft can be removed and reversed in the normal way.
The motor is now installed in the model, with a Plush 60 ESC, 6S lipo and a 14x7 Cam carbon folding prop. Current draw is about 35 amps giving 700+ watts - well within the motor's spec.

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Nice unit.

Jan 21, 2021

As usual, Turnigy has a well manufactured motor., that looks the part. It will be some months before they are installed into a 73" ws B25. Good price, well packed and a very good Christmas present.

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Brush less motor sk3

Jan 17, 2021

TURNIGY SK3 Brush less motor a good motor for the money,but the prop adapter is a let down, not only in quality and length. Mine broke when bench testing props that are suitable for the above motor.

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Good Product Works Well

Nov 09, 2020

Worked as expected. No issues.

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Effizienter Motor für 6S Betrieb mit 12/8 bis 14/8

Nov 07, 2020

Leichter Motor für 6S Akku mit Luftschrauben ab 12/8, optimal 13/8 bis 14/8 im Dauerbetrieb mit Vollgas bei durchschnittlicher Kühlung belastbar. Optimal für Flugmodelle mit 3 Kg Abfluggewicht bis 4 Kg.
Mit 12/8 und 6S 3300 mAh 25C bei ca. 2600 g Schub am Boden ca. 10 min Flugzeit mit meiner 2,20 m Klemm bei einem Abfluggewicht von 3250 g.

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Bom Produto

Aug 06, 2020

Bom produto. Estou muito satisfeito com o preço e a qualidade.

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Recommendable

Apr 28, 2020

Good quality at an affordable price. Very satisfied, definitely recommendable.

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OK

Feb 20, 2020

Gute Qualität zum günstigen Preis. Sehr zufrieden, auf jeden Fall empfehlenswert.