Turnigy Typhoon 2218H Brushless 450-Size Heli Motor 3450kv
Specifications:
Dimension: 37mm x 28mm, 54mm(with shaft)
Weight: 71g (kv3450) (not including connectors)
Voltage: 2-4S
Diameter of shaft:3.17mm
Length of front shaft:16mm
ESC: 40A
Turnigy Typhoon 2218H for 450 class Helicopters.