EXTRON Brushless Motor - 2217/12 (1520KV)

Extron Modellbau can look back on more than 30 years of experience in electric drives. The goal when developing the Extron brushless motors was to be able to offer the customer high quality at a reasonable price. Each individual motor is tested before delivery so that we can ensure that only flawless motors reach the hands of our customers.


Product Features

* Hand-wound, brushless outrunner motors
* High heat resistant neodymium magnets
* Excellent workmanship
* Careful choice of materials
* Reliable, high performance
* Dynamically fine-balanced for optimal running smoothness
* Extra large Ø 12mm quality ball bearings for maximum durability
* Perfect cooling through the innovative Extron "COOL AIR" housing design
* Ready to install with 3.5mm gold connectors

Application area model - take-off weight

Trainers and gliders up to approx. 1200g
Aerobatic models up to approx. 1000g
3D flight models up to approx. 800g
Speed/Hotliner up to approx. 800g

Contents of motor set

- Extron brushless motor
- Aluminum mounting cross
- Propeller adapter for bulkhead/rear bulkhead assembly
- Fastening screws, small parts
- Instructions German/English

Recommended prop size:

7.4V (2S) LiPo = 10x4, 10x5
11.1V (3S) LiPo = 8x6, 9x5, 10x4

Note: Of course, other propellers (e.g. 3-blade or smaller sizes) than those specified here can also be used. Batteries with a different, e.g. higher, capacity can also be used. Please ensure that the permissible currents (A) are not exceeded.

Forms a protective layer
Displaces oxygen
Environmentally friendly
Technical specifications
Outer Ø = 28mm
Length = 33mm
Weight = 75g
Shaft Ø = 3,175mm
Number of cells (LiPo) = 2 -3
Idle Speed ​​per Volt (KV) = 1520 rpm
Internal resistance (Ri) = 35.8mOhm
No-load current (Io) = 2.0A
Number of poles = 14
Efficiency = >85%
Maximum power = 320W
Maximum load = 27A