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Product Details


Description:
Motor Diameter: 8.5mm
Motor Length: 20mm
Shaft Diameter: 0.05-0.3mm
Cable Length: 80mm
Weight: 5.1g
Option: Clockwise Motor(With Red Blue Wire), Anti-clockwise Motor(With Black White Wire)
Option: With 1.25mm JST Plug
Quantity: 4 pcs

1.Operating condition

Rated voltage 3.7V DC
Direction of rotation CW and CCW
Operating voltage range DC2.0–4.5V DC
perating temperature range -10-50°C
Motor position all position

2.Mearsuring condition

Motor position horizontal or vertical
Power supply regulated DC power supply assuring unquestionable measuring
regulated DC power supply assuring unquestionable measuring 10-30°C 30-95%
If the judgment is questionable,Measurent is to be made based on JIS Standard Testing Condition(20+2°C,65+5% )
Direction of rotation viewed from output shaft side

3.Electrical characteristics

Items Specification Standard value
No Load speed 53500rpm±12% 53500 rpm
No Load current 280mA max 200mA
Starting voltage 0.8V max 0.5V DC
Stall current 10570mA±5% mA 10570mA
Terminal resistance 0.4Ω ±5% 0.4Ω
Insulation resistance 10MΩ min AT 250V DC between
motor terminal and case
Stall torque 64.0±3g.cm 64g.cm



Cautions:

1) Please use the motor in this technology index range for the performance of the motor is affected by environmental temperature seriously.
2) It is not allowed to operate in the high temperature with high humidity, and not allowed to contact with corrosive liquid and corrosive gas,should not to be stored and without running Continuously for more than six months.
3) Do not lock the motor shaft while the electric is on. The motor will be burnt out after the motor shaft was locked for more then 1 second.
4) Do not hit the motor directly.

Package included:
2 x CW motor
2 x CCW motor









Shipping & Payment

SHIPPING AND DELIVERY

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.We also send products from Poland, the Russian Federation, Spain, France, Belgium, in this case, it is sent by local mail, with tracking number.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

REFUNDS & RETURNS POLICY

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Bestdron (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Customer Reviews
5 (24 reviews)
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S***n
13 Jun 2020

Super fast to arrive, nice. these will be nice in my frankenQuad! :) Thanx store...

Jan Bos
25 Mar 2020

ordered 4 8520, only got 2 and 2 tiny 6mm motors. dispute was quickly finished. all good now. as I only have two I couldn't test them in my quad but they look well made

Willem Peters
25 Mar 2020

ordered 4 8520, only got 2 and 2 tiny 6mm motors. dispute was quickly finished. all good now. as I only have two I couldn't test them in my quad but they look well made

T***k
25 Mar 2020

Pedido 4 8520, sólo recibió 2 y 2 pequeños motores de 6mm. La disputa se ha terminado rápidamente. Todo bien ahora. Como solo tengo dos, no los puedo probar en mi quad, pero tienen un aspecto bien hecho

Luis Miguel Molina
24 Mar 2020

Everything perfect

Eduardo Soto
24 Mar 2020

Everything perfect

N***a
24 Mar 2020

todo perfecto

Hans Schneider
13 Feb 2020

Partially wrong delivery! Dispute solved positivly within 12 hours! So 5 stars.

Hans Weber
13 Feb 2020

Partially wrong delivery! Dispute solved positivly within 12 hours! So 5 stars.

B***r
13 Feb 2020

¡Parcialmente mal entrega! Controversia resuelto positivly dentro de 12 horas. Así que 5 estrellas 4 estrellas 3 estrellas 2 estrellas 1 estrellas

Larry Payne
7 Feb 2020

Nice little motors! The order was shipped quickly and arrived very fast to US address, even during Chinese New Year! Bravo!

Stephen Shaw
7 Feb 2020

Nice little motors! The order was shipped quickly and arrived very fast to US address, even during Chinese New Year! Bravo!

W***s
7 Feb 2020

¡Pequeño motores! ¡La Orden fue enviado rápidamente y llegó muy rápido para nosotros dirección incluso durante el año nuevo chino! ¡Bravo!

高橋 亮太
7 Feb 2020

excellent

岡田 崇
7 Feb 2020

excellent

J***j
7 Feb 2020

Excelente

Maxime Bertin
30 Dec 2019

Bien

Clara Morin
30 Dec 2019

Bien

B***e
30 Dec 2019

Bien

Walter Peters
14 Dec 2019

Good price for these great engines. Everything is perfect.

Paul Garcia
14 Dec 2019

Good price for these great engines. Everything is perfect.

J***l
14 Dec 2019

Buen precio para estos estupendos motores. Todo perfecto.

Juarez Dias
2 Dec 2019

Okay

Kauê Teixeira
2 Dec 2019

Okay

4X Racerstar 8520 8.5x20mm 53500RPM Coreless Motor For Eachine QX80 QX90 QX95 DIY FPV Quadcopter

24 Reviews
13-20 days
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