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Brand Name: Happymodel
Model: EX1204
Item Name: 1204 5000KV 2-4S / 6500KV 2-3S Brushless Motor
Input Voltage: 2-4S@5000KV; 2-3S@6500KV
KV: 5000KV / 6500KV ( Optional)
Model: CW / CCW ( Optional)
CW Version: Black Wire With Red Point Remard on the Plug Connector,
would spin rotation in CW while using w/ Crazybee Series Flight Controller.
CCW Version: Black Wire WITHOUT Red Point Remard on the Plug Connector,
would spin rotation in CCW while using w/ Crazybee Series Flight Controller.
Quantity: 1 PC
Configu-ration: 9N12P
Stator Diamter: 12mm
Stator Length: 4mm
Inner Shaft Diameter: Φ2mm
Outer Shaft Diameter: Φ1.5mm
Cable Length: 60mm
Plug Connector: JST1.25mm 3pin
Motor Dimension: Φ15x16.2mm (Dia.xLen)
Weight:5.9g
Pacakge Included:
1x Happymodel EX1204 Motor










A part of the review has been auto-translated.
Very powerfull and efficient even on only 2s with 2.5 inch props. I tried gemfan d63 5 bladed, but it seems as if the motor is bit underpowered for punch outs, there's a noticeable delay between hitting the throttle and getting the props to the desired rpm. But the efficiency is good, smooth flying gets up till 5 min flighttime with 2s 450mah on 120g auw(with battery) 2.5 cinewhoop.
It is only 5.6gramm! I hope fit for my 4S 3coll (3015/3018) project with kaidju frame sum 75gramm!
1 piece for spare..... I have to order it again
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A part of the QA has been auto-translated.
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