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  • 02/05/2017

    These Racerstar 8520 motors consume a maximum of 4.1 amps each according to my tests done before putting them on the frame of the EX100 in replacement to Chaoli which consumes up to 2 amperes. So, since I was getting 125 grams of thrust with the Chaoli motors. I felt that these Racerstar motors could potentially produce 250 grams of thrust using double the current. However, I got a total of 165 grams of thrust with 4 Racerstar motors, 97 grams with 2 motors and 50 grams using a single motor. Since we should get a total thrust of 200 grams (or up to the estimated 250 grams), the total thrust is definitely limit by some factor (24awg wire on the flight controller, micro losi connector, the flight controller that support max 5A per motor, etc.). In fact the current consumption seems to limit to about 10A. So, I recommend using these motors with a flight controller supporting 10A per motor and with an XT30 connector to be able to use these motors to their full potential. Despite everything I am very satisfied with these motors so far.

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  • 11/01/2017

    motors 8520 placed on parrot frame for replace old original motors, same size. soldered on F3_evo brush flight controller, they are loudly and original parrot propellers (blue prop) fit well on it, but i have put on it walkera props. they are shortest than parrot props, but less noisy with same responsive and flight time duration. motors are little hot after flight but maybe need to set speed rpm on cleanflight for use them efficiency. (set in CLI to set_motor_pwm=32000 motors doesn't heat than on first try without settings) 6 min flight time with 200mw video tx integrated - 380mah 3.7v battery. excellent efficiency. great motors.

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  • 01/01/2017

    I'm impressed for the quality of this motors great thrust and no vibration. Little hot with kingkong 65mm but awesome fly experience! Great!

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  • 23/01/2020

    أرسلوا لي 2 cw 8520 و2 محرك من طراز 0615 :(

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  • 18/01/2017

    Don't want to be the harbinger of doom but I'm not completely impressed. Bought a set of the red ones for my qx95. JST 1.25 connectors are not the same as SH1 connectors as on my plug and play new version qx95. So I used the old motor connectors soldered to the new motors. One of the racerstar motors is a dud which was very annoying. So I bought another set so I could complete my mod but had to wait longer. So there could be a bit of a quality control issue although they are quite punchy now they're working. Top tip then buy more than you need for your build just in case.

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  • 09/12/2020

    لقد طلبت إطار كينج كونج 85 ملم آخر حتى أتمكن من استخدام المحرك ذو السعر الخاص مرة أخرى أعتقد أن الأمر يستحق ذلك، أنا أبني طائرة بدون طيار مع محرك سباق النجوم تقريباً في كل وقت.

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  • 31/01/2020

    قوي جداً

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  • 02/07/2020

    محركات رائعة لفهدي الشراعي 100 سم.

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  • 13/03/2017

    Looks awesome and have alot of thrust, but the paintwork on this motors is very sensitive and quickly gets scratches. Also they can become very hot with to large probs. Well-suited with props up to 55mm in my opinion. Overall nice motors to play with and get some extra power for prototyping.

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  • 19/01/2017

    seem to be very good quality great upgrade for your 1s quads i would recommend not running props larger then 55mm (especially with a micro fpv set up) as they will draw allot of current and and get very hot and shorten there life span

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