Borstelloze Outrunner 4250 540Kv Met Propeller Adapter

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Certified Buyer Rated

Mar 28, 2015

Bought as a replacement for the 1600mm P-51 Mustang "Shangri La".

This is the same motor I have in my 1400mm FMS T-28 Trojan so I tested the P-51's prop on that - it delivered 880W at 65A max on a 4s 3600 LiPo.

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Customer Rated

Nov 06, 2013

Dieser Motor hat sehr viel Power.
Ich betreibe ihn mit einem 5000 4s Lippo
und bin sehr zufrieden mit dem Produkt.

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Certified Buyer Rated

Aug 19, 2013

very nice motor, push my Bi-Plane wingspan 124cm and 2160g, using 15*8 prop, bat. nano 4S 4500mAh.

16.7V - 26A - 400W and 2000g trust

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Customer Rated

Jun 20, 2013

buen motor por poco dinero pero la montura que hay que poner en estreya tiene que ser de 19mm y 16mm entre agujeros asi que no vale la que te indican en los articulos relacionados una pena que siempre falte informacion y la que hay es falsa pues los agujeros no estan a la misma medida los cuatro.

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Certified Buyer Rated

Mar 14, 2013

Excellent motor. Runs very smooth and after the flight it is hand warm. With 13x4 / 4S provides 2KG of trust with around 30A.

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Customer Rated

Feb 12, 2013

Run it with a 13*8 folding propeller, 6S lipo and Plush 80. Plane weight approximately 3,5 KG with DSLR, 2 meter span. Replaces Kontronik Kora 25. The plane takes off within 3 meters, and fly's with less than 25pcnt throttle.
Totale flight time approximately 25 minutes.
Motor runs smooth as butter, even better than the Kora 25. I'm very happy with this motor, have had 12 flights yet, motor and ESC run cool.