Combo 90mm / 8 blades / 3700KV (inrunner) / 3-4S / 158g
> 3S (11.9V) : 35A / 0.84kg / 417W
> 4S (15.5V) : 54A / 1.3kg / 837W
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|Weight (gr):||158 gr|
|EDF thrust (categorization)||0-1kg, 1-2kg|
|Direction of Rotation (EDF Rotor)||Classic Counter Clock Wize (CCW)|
|EDF Diameter Class (mm):||64|
|Motor Diameter (mm):||25|
|Battery Cells:||3s - 11.1v, 4s - 14.8v|
EPF Hobby Mercury 8 Blades 64mm EDF Ducted Fan + 3700Kv Motor 3-4s combo, pre-mounted and dynamically balanced.
Mercury EDF are full alloy high precision CNC made and are offering a very good thermal dissipation. The 8 blades rotor is also made of aluminium and accepts high rotation speeds. The front "spinner" does not rotate (vibration risk elimination) and is protected between 2 sets of 4 stators. Eliminating any risk of rotor ejection. The brushless motor is located at the front of the edf for a better head dissipation.
|Characteristics / LIPO||3s||4s|
|Controller||>=50A / LV||>=65A / LV|
|Recommended Battery||>= 2600mAh 35C||>= 2600mAh 35C|
The controller should be chosen 20% over rated due to the long lasting load.
LV = low voltage controller up to 6s, HV = high voltage controller above 6s.
Battery should be chosen about 15/ - 1/20 of the max current for 4-3 minutes WOT. 30-40 C is appropriate.
* Caution: best working performance for the 3700kv is achieved with a 4s Lipo. Most batteries will transfert heat to the motor if used with 5s Lipo. If you want to use 5s, please make sure your transmitter thrust curve limits the max motor current to 70A. We don't recommend using 5s and will offer any guarantee and will reject any responsibility if used with 5s.
Note: higher capacity and quality Lipo can produce better performances. Please read the below manufacturer table :