Site Logo



Specialist in Multirotor Tech & FPV Equipment

We ship worldwide - Same day shipping on all orders placed before 1pm - FREE delivery on UK orders over £99 <1kg*

DYS out-runner brushless motors are designed with one thing in mind; maximising multirotor performance! Unlike many so-called multirotor motors these have been engineered specifically for multirotor use and are not based on airplane motors.

The D4215-21 650KV is a great value heavy lift pancake motor. It features a high poles count for less noise, smooth and responsive power and increased efficiency - a fantastic choice for medium sized quadcopters and hexacopters carrying a payload.

The motor utilises quality components such as strong neodymium, high temperature magnets, a high-precision CNC machined shell, and top quality Japanese bearings. Furthermore the quality of construction matches that of the component selection; every motor is tested for concentricity and balanced for smooth running. The end result is a very smooth, powerful yet efficient, and crucially reliable brushless motor.

The motor comes with pre-soldered 3.5mm gold bullet connections on long 16AWG wires ready to plug straight into your ESC’s. Also included is an accessory package with bolt-on style 6mm prop adapter and set of fixing screws.

D4215-21 Data Sheet

Motor Dimensions

Direct style prop adapters are also available here.

  • KV(RPM/V): 650
  • No.of Cells(Lipo): 3-6S
  • Max Continuous current(A): 39A
  • Max Continuous Power(W): 865W
  • Internal resistance: 0.011Ω
  • Shaft Diameter: 4mm
  • Prop Adapter Shaft Diameter: 6mm
  • Motor Dimensions: Φ42×15mm
  • Bolt Holes Spacing: 16/19 (M3)
  • Connector: 3.5mm Bullet Type Connector
  • Wire Length: 380mm
  • Weight (g): 83g


  • D4215-21 650KV Brushless Motor
  • Prop Adapter (6mm)
  • Fixing Screws

None Available


By judi garzon (not verified) on

hello. I need to know what the ESC suitable for this motor. I appreciate your help thanks

By admin on

Hi, it depends on your setup as the current draw is related to voltage / prop size. As a rough guide 3S - 20amp ESC, 4S 30amp ESC, 6S 40amp ESC. 

Add new comment

Sorry, we don't currently have any product related advice for this item. For general tips, tutorials and help please check out our Multirotor Beginner's Guide. Alternatively feel free to ask us a question.

UK Express Shipping - Next Day Delivery on orders placed before 4pm

COVID-19: We are still shipping out orders daily, but have changed our same day shipping cut-off time to 1PM to help cope with demand. If an order is placed after 1PM we will still do our best to ship same day as our daily postal collection is around 4:15.

Please be aware that deliveries with Royal Mail are taking longer to get through. At the moment we are finding it can range from next day to even up to two weeks, with 3-5 days being typical. So if you choose Royal Mail as a shipping method please be patient, shipments aren’t going missing they are just taking a while to get through the postal service. For fast deliveries we recommend choosing DHL.

All information relating to shipping and delivery is stated here. Should you not find what you are looking for, please contact us.

Shipping costs are calculated once items have been placed in your basket during checkout. 

UK Postage: Here at Flying Tech we process orders Monday to Friday and pride ourselves on our quick turnaround of orders. If stocks levels allow, we aim to dispatch orders placed before 4PM the same day with Royal Mail. Our cut off time for courier delivery is earlier; orders must be placed by 1PM for next day delivery with DHL and 1PM for next day delivery with APC. A confirmation email will be sent when your order has been dispatched. If you wish to change your order, please contact us promptly, as we won't be able to make amendments once the order has been shipped.

We are partnered with several delivery companies including Royal Mail, DHL, APC and Parcel Force. If you have a special delivery requirement or would like to arrange a shop collection please contact us. For small low value orders our cheapest delivery service is Royal Mail First Class; this service aims to deliver the next working day including Saturdays and it can be sent recorded for extra peace of mind – please note this is not a guaranteed next day delivery or trackable service.

For a guaranteed next day delivery we recommend Royal Mail Special Delivery or one of our courier delivery options. Royal Mail Special Delivery will arrive by 1PM the next day and for an extra fee can be delivered on Saturdays. APC Overnight offers next day delivery with full tracking and a 2hr time slot pre-delivery text notification. DHL is a good option for larger consignments and remote locations such as Northern Ireland and Isle of Man. All high value orders are fully insured and will likely require a signature on delivery.

FREE shipping in the UK on orders over £99 (this is a signed for service and insured to a maximum of £40). Please note that the offer only applies to orders with a total weight under 1Kg and that a few products are exempt from the offer, such as LiPo batteries.

We Ship Worldwide

International Postage: We are based in the UK, but ship to most worldwide destinations. Postage rates are calculated by the weight and shipment location, the price is quoted during the checkout. Low value order can be sent by Air Mail, but are not insured. Higher value, heavy goods will be sent with DHL or an alternative courier. Orders shipped outside the UK may be subject to customs charges. These charges are additional to any delivery costs and will need to be paid by the recipient.

Flying Tech International Shipping with DHL Express

For our international customers who require a rapid delivery we off a DHL Express service. DHL Express offers NEXT DAY delivery to most European destinations and a very fast delivery for countries further afield, generally 2-3 days. For country specific estimated transit times, please refer this download.

We reserve the right to modify, remove or add to any of these services at any time. We endeavour to ship all items as fast as possible. If you would like an alternative shipping arrangement to be made please contact us.

Our Delivery Partners:
Royal Mail DHL APC Deutsche Post Parcel Force