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SunnySky X2820 KV800 Brushless Motor

SunnySky X2820 KV800 Brushless Motor

SKU: SNS-X2820-800
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Quick Overview

SunnySky 2820 KV 800 Brushless Motor
SunnySky X2820 KV800 Brushless MotorSunnySky X2820 KV800 Brushless Motor
Click the above image to enlarge

Equivalent to .15 size.

SunnySky brushless motors are made of quality components that are normally only seen in high end products, and are designed to give years of high performance. Every motor has been carefully balanced and tested in the factory.

Every motor comes with a cross type mount and a propeller adaptor as shown in the following photos.


Durable Japanese NMB ball bearings

Efficient Japanese Kawasaki stator steels

Rare earth neodymium magnets stable up to 180 OC

Polyesterimide enameled oxygen free copper wires that work up to 180 OC

CNC machined and anodized aluminum case

Laser-engraved motor model and KV number

Soft silicone wire leads

Patented balance techniques


Stator Diameter .......... 28 mm

Stator Height..............20 mm

Outside Diameter ..........35 mm

Body Length ...............40 mm

Shaft Diameter ............5.0 mm

Motor Kv ..................800 RPM / Volt

Motor Weight ..............140 g

Accesory Weight...........18 g

SunnySky motors sold by Buddy RC are manufactured by using quality materials and built to last. The motors are covered by a two year limited warranty against defects in materials and workmanship.
Motor bearings, shafts, and propeller adapters are normal wear parts, and as such, need to be maintained and changed periodically. Therefore these parts are not covered by the two year warranty, nor any subsequent damage caused to the motor or aircraft by these wear parts.
For maximum life, we suggest to install motors and accessories properly, and put a small drop of oil on each bearing every 10 flights. If phenomena of motor vibration, shaking, roughness, or notches in bearings are observed after a period of use, it is suggested to replace motor bearings immediately. It is the responsibility of the pilot to ensure that the bearings are maintained properly and periodically. For the best overall combination of performance, quality, and value, use SunnySky brushless motors in your aircrafts.

Example of an assembled X28 series motor and accessories

Motor dimensions (in mm)

Mount dimensions

Factory test data

X2820 KV800 Test Data
No load current: 1.4A @10V
Propeller (inch) Input Voltage Current (A) Thrust (Kg) Power (W) Efficiency (G/W)
EMP12x6 10V 22 1.5 216 7.0
11V 25 1.7 273 6.2
12V 28 2.0 337 5.9
13V 31 2.2 403 5.4
14V 34 2.5 479 5.2
14.8V 37 2.8 549 5.2
JXF 13x6 10V 27 1.6 265 6.2
wood 11V 30 2.0 327 6.2
12V 34 2.3 407 5.5
13V 37 2.5 486 5.1
14V 41 2.7 567 4.8
14.8V 44 3.0 656 4.6
XDL 14x8 7.4V 24 1.3 176 7.4
wood 8.5V 28 1.6 241 6.6
10V 35 2.0 345 5.7
10.5V 36 2.1 378 5.5
11.1V 38 2.3 422 5.3
EMP 14x7 7.4V 22 1.3 163 8.0
8.5V 27 1.6 225 7.1
10V 32 2.0 315 6.3
10.5V 34 2.1 355 5.9
11.1V 36 2.3 404 5.6

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