The KMS Quantum 2212/09 O/R Brushless Motor is a high-performance replacement for "Speed 400" planes, 10-25 oz 3D planes, and up to 35 oz sport planes.

Specs:

Nearest AXI Equivalent: 2212/20
Diameter: 28 mm
Length: 30 mm
Stator Size: 22 x 12 mm
NiCd/NiMH cells: 6-9
LiPo Cells: 2-3
IO Amps: 0.9
Turns: 9
KV/RPM: 1250
Max Cont Current: 12a
Max Current: 16a/60s
Max Efficiency: 80%
Resistance: 102 mohm
Shaft Dia: 3.17 mm
Weight: 57 g
Bearings: 2
Poles: 14
ESC Timing Degrees: 20-30 (High)