CF 28-12 Brushless Outrunner

 emax fc 28 22 1200 kv brushless outrunner 1 300 200 100

Manufacturer  
Model CF28-12 Brushless Outrunner
Year made  
Weight 39g
Diameter 29mm
Can length 12mm
Shaft diameter 3mm
Shaft length 17mm 
Overall length 47 mm
Max voltage 11v (3S)
Max current 18A
Mount type Flange attached with side grub screws.

The Tricopter #1 uses 3 of these motors.