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2. IAE V2500 - Wikipedia

   en.wikipedia.org/wiki/IAE_V2500

   The 22-blade fan of an A320's V2500-A1 Rolls-Royce based the ten-stage high-pressure compressor on an eight-stage run in the RB401 in the mid 1970's followed by a nine-stage run in the RJ.500 . The V.2500 would use ten stages, with the first four with variable stators, giving a pressure ratio of 20:1. [ 4 ]

3. RS Recommends: These Battery-Powered Fans Help You Say ... - AOL

   www.aol.com/rs-recommends-battery-powered-fans...

   The best battery-powered fans are powered by everyday batteries, like AAA, or they have built-in rechargeable batteries. In both cases, this allo RS Recommends: These Battery-Powered Fans Help You ...

4. Airbus E-Fan - Wikipedia

   en.wikipedia.org/wiki/Airbus_E-Fan

   The E-Fan 4.0 appears identical to the E-Fan apart from a fuselage stretch. To increase flight duration the planned E-Fan 4.0 would have had a hybrid-electric system that will have a small engine to charge the battery (like a range extender), which would have increased its duration from 2 hours to 3.5 hours. The first flight of the E-Fan 2.0 ...

5. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

6. Battery eliminator circuit - Wikipedia

   en.wikipedia.org/wiki/Battery_eliminator_circuit

   In battery-powered equipment, a battery eliminator circuit (BEC) is an electronic voltage regulator used to power a subsystem at a different voltage without the need for a supplemental battery. BECs are commonly used in radio-controlled models , which need separate voltages to power the motor and the RC equipment.

7. A $22 battery-operated fan with mister was the biggest ... - AOL

   www.aol.com/22-battery-operated-fan-mister...

   A $22 battery-operated fan with mister was the biggest attraction at this theme park. Sherry Kuehl. September 28, 2022 at 6:00 AM. Courtesy photo. This is a story about love and loss.