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  2. Comparison of free off-line satellite navigation software

    en.wikipedia.org/wiki/Comparison_of_free_off...

    cross-platform; originally intended as a GIS; however can be fitted with GPS receiver and has support for it [72] and also allows to easily download maps from any location from an online database as OpenStreetMap, and many others [73] [74]

  3. Paddle wheel - Wikipedia

    en.wikipedia.org/wiki/Paddle_wheel

    The paddle wheel is a device for converting between rotary motion of a shaft and linear motion of a fluid. In the linear-to-rotary direction, it is placed in a fluid stream to convert the linear motion of the fluid into rotation of the wheel.

  4. Norias of Hama - Wikipedia

    en.wikipedia.org/wiki/Norias_of_Hama

    For nearly 500 years, the Noria al-Muhammadiya was the tallest waterwheel in the world. In 1854 it was surpassed by the Laxey Wheel, a mine-pumping waterwheel on the Isle of Man, an island between England and Ireland. [20] [21] The Laxey Wheel is only marginally taller, with a diameter of 22.1 metres (73 feet). [20]

  5. Sagebien wheel - Wikipedia

    en.wikipedia.org/wiki/Sagebien_wheel

    The Sagebien wheel is a type of water wheel invented by Alphonse Sagebien of France, a hydrological engineer and a graduate of the École Centrale des Arts et Manufactures. It was one of the most efficient breastshot water wheel designs of its era; when working on a low head of water, the Sagebien wheel could reach efficiencies of up to 90% ...

  6. Reverse overshot water wheel - Wikipedia

    en.wikipedia.org/wiki/Reverse_overshot_water_wheel

    However, they must have been more difficult to operate since the user had to stand on a slanting surface to turn the screw. The steeper the incline, the greater the risk of the user slipping from the top of the screw. No doubt the reverse water wheel was easier to use with a horizontal treading surface.

  7. Browse Speed & Security Utilities - AOL

    www.aol.com/products/utilities

    Get the tools you need to help boost internet speed, send email safely and security from any device, find lost computer files and folders and monitor your credit.

  8. Poncelet wheel - Wikipedia

    en.wikipedia.org/wiki/Poncelet_wheel

    The Poncelet wheel is a type of waterwheel invented by Jean-Victor Poncelet while working at the École d'Application in Metz.It roughly doubled the efficiency of existing undershot waterwheels through a series of detail improvements.

  9. Saqiyah - Wikipedia

    en.wikipedia.org/wiki/Saqiyah

    Al-Jazari's advanced saqiya, both animal- and water-wheel-driven (1206). A manuscript by Ismail al-Jazari featured an intricate device based on a saqiya, powered in part by the pull of an ox walking on the roof of an upper-level reservoir, but also by water falling onto the spoon-shaped pallets of a water wheel placed in a lower-level reservoir ...