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  2. Vacuum recall: Hoover WindTunnel a fire hazard - AOL

    www.aol.com/2010/05/27/hoover-windtunnel-vacuum...

    Hoover Inc. announced a recall of its Hoover WindTunnel bagless upright vacuums after receiving reports of the machines burning carpets and a consumer's hand, the U.S. Consumer Product Safety ...

  3. Hoover Vacuum Recall: Can Short-Circuit, Catch Fire - AOL

    www.aol.com/2011/02/09/hoover-vacuum-recall-can...

    Hoover Inc. recalled about 142,000 Hoover WindTunnel Canister Vacuums after 69 reports of them overheating or shorting, even when turned off, said the U.S. Consumer Product Safety Commission. ...

  4. The Hoover Company - Wikipedia

    en.wikipedia.org/wiki/The_Hoover_Company

    The Hoover Company is a home appliance company founded in Ohio, United States, in 1908.It also established a major base in the United Kingdom, where it dominated the electric vacuum cleaner industry during most of the 20th century, to the point where the Hoover brand name became synonymous with vacuum cleaners and vacuuming in the United Kingdom and Ireland.

  5. List of wind tunnels - Wikipedia

    en.wikipedia.org/wiki/List_of_wind_tunnels

    Free-jet NASA Glenn Engine Components Research Lab [53] United States NASA Glenn Hypersonic Test Facility [54] Hypersonic United States NASA Glenn Icing Research Tunnel [51] 3 m × 2 m × 6 m (9 ft × 6 ft × 20 ft) Subsonic Icing United States NASA Glenn Propulsion Systems Laboratory [55] Active Diameter 7 m (24 ft) by 12 m (38 ft) long

  6. Wind tunnel - Wikipedia

    en.wikipedia.org/wiki/Wind_tunnel

    A sample wind tunnel layout showing some typical features including a test section and control room, a machine for pumping air continuously through ducting, and a nozzle for setting the test airspeed.

  7. Ludwieg tube - Wikipedia

    en.wikipedia.org/wiki/Ludwieg_tube

    A Ludwieg tube is a wind tunnel that produces supersonic flow for short periods of time. A large evacuated dump tank is separated from the downstream end of a convergent-divergent nozzle by a diaphragm or fast acting valve.

  8. Manual vacuum cleaner - Wikipedia

    en.wikipedia.org/wiki/Manual_vacuum_cleaner

    The manual vacuum cleaner was a type of non-electric vacuum cleaner, using suction to remove dirt from carpets, being powered by human muscle, similar in use to a manual lawn mower. Its invention is dated to the second half of the 19th century, when patents were granted to inventors in the United States, Britain, France, and elsewhere.

  9. Standard wind tunnel models - Wikipedia

    en.wikipedia.org/wiki/Standard_wind_tunnel_models

    AGARD-B standard wind tunnel model on the model support of the T-38 wind tunnel Theoretical geometry of the AGARD-B standard wind tunnel model and its sting fixture; all dimensions are relative to body diameter D (dimensions according to.