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2. Water well pump - Wikipedia

   en.wikipedia.org/wiki/Water_well_pump

   Injector, a jet-driven pump; Mechanical or rotary lobe pump requiring mechanical parts to pump water; Solar-powered water pump; Pump driven by air as used by the Amish; Pump driven by air as used in the Australian outback; Manual pumpless or hand pump wells requiring a human operator; The pump replaces the use of a bucket and pulley system to ...

3. Solar-powered pump - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_pump

   A PV solar-powered pump system has three main parts - one or more solar panels, a controller, and a pump.The solar panels make up most (up to 80%) of the system's cost. [citation needed] The size of the PV system is directly dependent on the size of the pump, the amount of water that is required, and the solar irradiance available.

4. Submersible pump - Wikipedia

   en.wikipedia.org/wiki/Submersible_pump

   A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...

5. List of aircraft propeller manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_aircraft_propeller...

   Hartzell Propeller - United States (1917–present) Hegy Propellers - United States; Heine Propellers - Germany; Helix-Carbon - Germany; Hercules Propellers - UK; F. Hills & Sons - UK; Historic Propellers - Czech Republic (2012 - present) Hoffmann Propeller - Germany (1955–present) Hordern-Richmond - UK (1937-circa 1990)

6. Flying submarine - Wikipedia

   en.wikipedia.org/wiki/Flying_submarine

   Some submersible aircraft proposals have involved using jet engines in a dual role, both propelling the vehicle in the air using conventional combustion and providing thrust underwater by being spun via an electric motor; some researchers have proposed using turboshaft engines to get the best efficiency and performance in both air and ...

7. List of model aircraft manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_model_aircraft...

   One Man Model (Japan) Orange Hobby (China) Oriental Model (Japan) Otaki (Japan) - went bankrupt in the mid 1980s. Molds acquired later by Doyusha & Arii. OzMods Scale Models (Australia) Pacific Coast Models (USA) Panda Models (China) Pantera (Poland) Paramount (Canada) Parc Models (Romania) Pavla Models (Czech Republic) Pegaso/Necomisa (Mexico ...

8. Tennessee Propellers - Wikipedia

   en.wikipedia.org/wiki/Tennessee_Propellers

   The company made two-bladed propellers from maple laminates in diameters up to 72 in (1.83 m) for engines up to 100 hp (75 kW). The company is also the distributor for parts for the discontinued Japanese Zenoah G-25 and G-50 line of aircraft engines.

9. Propeller (aeronautics) - Wikipedia

   en.wikipedia.org/wiki/Propeller_(aeronautics)

   A 6-bladed Hamilton Standard 568F propeller on an ATR 72 short-haul airliner. Lowry [27] quotes a propeller efficiency of about 73.5% at cruise for a Cessna 172.This is derived from his "Bootstrap approach" for analyzing the performance of light general aviation aircraft using fixed pitch or constant speed propellers.