Shop Fan Unit

 A ducted fan is a propulsion arrangement whereby a mechanical fan, which is a type of propeller, is mounted within a cylindrical shroud or duct. The duct reduces losses in thrust from the tips of the props, and varying the cross-section of the duct allows the designer to advantageously affect the velocity and pressure of the airflow according to Bernoulli's Principle. Ducted fan propulsion is used in aircraft, airships, airboats, hovercraft and fan packs.

Ducted fans normally have more and shorter blades than propellers and thus can operate at higher rotational speeds.

Among model aircraft hobbyists, the ducted fan is popular with builders of high-performance radio controlled model aircraft. Internal-combustion glow engines combined with ducted-fan units were the first achievable means of modeling a scaled-size jet aircraft. Despite the introduction of model-scale turbojet engines, electric-powered ducted fans remain popular on smaller, lower-cost model aircraft. Some electric-powered ducted fan airplanes can reach speeds of more than 320kmh (200mph). -Wikipedia

     
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    RC Lander 90MM Vector System RC Lander 50-120mm EDF Test Stand EPF Hobbies  Mercury 64mm 3700KV-CCW 3-4S Li-Po
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    EPF Hobbies  Mercury 64mm 4700KV-CCW 3-4S Li-Po EPF Hobbies  Mercury 74mm 2200KV-CCW 6S Li-Po EPF Hobbies  Mercury 74mm 3000KV-CCW 4S Li-Po
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    EPF Hobbies  Mercury 90mm 1600KV-CCW 8S Li-Po V2 EPF Hobbies  Mercury 90mm 1900KV-CCW 6S Li-Po V2 HET 64mm Rotor with Collet
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    HET 64mm EDF Fan Unit 6404 HET 4mm Fan Collet HET 70mm Rotor with Collet
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    HET 70mm EDF Fan Unit 6904 HET Typhoon EDF 1W-30 with 6904 Fan Unit HET Typhoon EDF 2W with 6904 Fan Unit
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    HET Typhoon EDF 2W-18 w/ 6904 Fan Unit HET Typhoon EDF 2W-20 with 6904 Fan Unit HET Typhoon EDF 2W-23 with 6904 Fan Unit
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    HET Typhoon EDF 2W-25 with 6904 Fan Unit HET 90mm Rotor with Collet HET 90mm 9305 EDF Fan Unit
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