40mm EDF Violent Fan Motor – 4,430KV | 650g Thrust | 445W for Ducted Fan Systems
$ 10.8
Inventory
10000
隐藏域元素占位
- Product Description
-
PREFORMANCE PARAMETER
Prop
Model
Volits
Amps
Watts
Thrust
Thrust
Efficiency
Efficiency
ESC
(EDF)
(V)
(A)
(W)
(G)
(OZ)
(G/W)
(OZ/W)
(A)
40mm
15 leavesF-40
4430KV21
21.2
445
450
15.87
1.01
0.04
60
OUTLINE DRAWING

Electric fan motors are the core of modern ventilation and cooling devices, designed for energy efficiency, quiet operation, and durability. Built with advanced technology, they deliver stable airflow, low power consumption, and extended service life. Applications include household fans, industrial cooling fans, HVAC systems, and appliances. With compact design and superior performance, electric fan motors provide comfort, cost savings, and reliability for both residential and industrial users.
⚡ EDF Violent Fan Series40mm EDF Violent Fan Motor
4,430KV High Speed15-blade ducted fan design delivering 650g maximum thrust at 445W peak power. Ideal for ventilation systems, industrial culverts, tunnels, and high-performance FPV jets.
4,430KV Rating650gMax Thrust40mmDiameter21VRated VoltageTechnical SpecificationsModelF-40 4430KVMotor TypeBrushless DCRated Voltage21V (5S-6S)KV Rating4,430 KVMax Current21.2 AMax Power445 WMax Thrust650 g / 22.9 ozEfficiency1.01 g/WImpeller15-bladeDiameter40 mmRecommended ESC60AMotor Weight~45 gKey CharacteristicsHigh KV4,430KV for powerful thrust15-Blade ImpellerHigh static pressure designLow NoiseAerodynamic blade optimizationStepless Speed ControlSmooth throttle responseLocked Rotor ProtectionStall protection built-inLow EMIMinimal interferenceLong Life2000+ hours ratedDynamic BalancingSmooth high-RPM operationPerformance Test DataTest condition: 21V input (5S-6S LiPo), 40mm EDF unit with 15-blade impeller, ambient temp 25°CVoltage Current (A) Power (W) Thrust (g) Thrust (oz) Efficiency (g/W) ESC 21V (5S-6S) 21.2 445 650 22.9 1.46 60A 21V Peak 23.0 483 680 24.0 1.41 60A * Peak thrust measured with short burst. Continuous operation: 21.2A / 445W / 650g thrust.
Key Features- 4,430KV high speed – Maximum airflow for 40mm EDF applications
- 650g maximum thrust – Powerful output for medium-sized ducted fans
- 15-blade high-static impeller – Optimized for ducted fan pressure
- 445W peak power – High power density for compact size
- Precision dynamic balancing – Low vibration at extreme RPM
- 5S-6S LiPo compatible – Standard 21V battery platforms
- 60A ESC recommended – Reliable power delivery
- Robust construction – Resists dust, moisture, harsh environments
- Easy installation – Standard 40mm ducted fan housing fit
- Long service life – Industrial and infrastructure grade
ApplicationsIndustrial Ventilation Tunnel Exhaust Fans Underground Culverts FPV EDF Jets High-Performance Fans Ducted Fan Systems Infrastructure Projects Air Circulation SystemsOEM Customization- KV customization – 3,000KV to 6,000KV available
- Impeller blade count and pitch optimization
- Housing material (plastic / aluminum / composite)
- Connector type (XT30, XT60, bare wire, custom)
- IP rating (IP40 standard, IP54/IP65 available)
- Hall sensor integration for FOC control
- Custom mounting flange design
Frequently Asked QuestionsWhat is the maximum thrust of this 40mm EDF?The F-40 delivers 650g maximum thrust at 445W power (21.2A). Peak thrust reaches 680g at 483W with short burst.What ESC rating is recommended?A 60A ESC is recommended for reliable operation. For peak performance, use a 70A ESC with good cooling.What battery voltage should I use?The motor is optimized for 21V (5S-6S LiPo). Using higher voltage may exceed rated specs and cause damage.Is this motor suitable for industrial culvert ventilation?Yes. The F-40 is engineered for tunnels, underground culverts, and industrial ventilation systems with robust dust and harsh environment resistance.What is the efficiency of this EDF unit?The unit delivers 1.46 g/W efficiency at rated power, with excellent thrust-to-weight ratio for its size.What is the expected lifetime in industrial use?With proper maintenance, the motor provides 2000+ hours of reliable operation in industrial and infrastructure applications.
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