This 1206 size motor is used on the Roma L3 long range 3″ quadcopter, but can be used for your own build too, it gives great performance and endurance of a  650-850 4S battery..

MAMBA TOKA 1206 2450KV Specifications

• Overall Dimension:Φ17×13.4mm
• prop mounting shaft diameter:1.5mm
• Installation hole position: 9×9mm，M2
• Prop: 2inch~3inch
• Bearing：5*2*2.5
• Shaft Diameter:2mm
• Lead Wire Size：24AWG×150mm
• Configuration:9N12P
• Magnet Wire: 240℃ Enameled Wire
• Stator Diamter：12mm
• Stator Height:6mm
• Rated Voltage:4~6S (16.8V~25.2V)
• Peak Current: 5.8A
• ldle Current：6V/0.4A
• Maximum Power: 160W
• Internal Resistance：456Ω

MAMBA TOKA 1206 3600KV Specifications

• Overall Dimension:Φ17×13.4mm
• prop mounting shaft diameter:1.5mm
• Installation hole position:9×9mm，M2
• Prop: 2inch~3inch
• Bearing：5*2*2.5
• Shaft Diameter:2mm
• Lead Wire Size：24AWG×150mm
• Configuration:9N12P
• Magnet Wire: 240℃ Enameled Wire
• Stator Diamter：12mm
• Stator Height:6mm
• Rated Voltage:3~4S (12.6V~16.8V)
• Peak Current: 10A
• ldle Current：6V/0.4A
• Maximum Power: 160W
• Internal Resistance：236Ω