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A dock shunter, "dock tank", or "docksider", is a locomotive (formerly steam but now usually diesel) used for shunting wagons in the vicinity of docks. It is usually of 0-4-0 or 0-6-0 wheel arrangement and has a short wheelbase and large buffers. These features make it suitable for negotiating sharp curves.
After the saddle tank was removed in 1926 they were then given the classification of "C-16A" (Nos. 97 and 98 remained unchanged). The diminutive size and short wheelbase were required to handle the tight curves of these lines. No. 99 was scrapped in 1944. No. 97 was renumbered 897 in 1950 and scrapped in 1951.
0-6-0 is the Whyte notation designation for steam locomotives with a wheel arrangement of no leading wheels, six powered and coupled driving wheels on three axles, and no trailing wheels. Historically, this was the most common wheel arrangement used on both tender and tank locomotives in versions with both inside and outside cylinders .
Sebago is an American Maine-based company creating boating and deck shoes, as well as dress shoes.Sebago was founded in 1946. [1] In 2017, BasicNet acquired Sebago from Wolverine World Wide.
The trolleys commonly have two parallel wheels on a hand truck style frame (with a handle and stand), but some designs have four or six wheels. In some countries the trolleys are traditionally regarded as being used by pensioner -age women, [ 5 ] [ 6 ] with granny cart being an American slang term for the four-wheeled wire-framed trolleys, [ 7 ...
The Commonwealth Shoe and Leather Co. later partnered with Sperry on a design using specially tanned water-resistant leather, which became the familiar Sperry "boat shoe". [2] Sperry's shoes remained a niche product for boaters until 1939 when the US Navy negotiated the right to manufacture the shoe for its sailors at the United States Naval ...
Typical efficiency of water wheels exploiting only the kinetic energy was around 30%. [1] These wheels are called stream water wheels, or kinetic water wheels. Instead, undershot water wheels are used in low head sites, like less than 1.5 m, and they also exploit the potential energy of the flow, with efficiencies of up to 84%.
In 1802, American lawyer and inventor John Stevens built a 25-foot (7.6 m) boat with a rotary steam engine coupled to a four-bladed propeller. The craft achieved a speed of 4 mph (6.4 km/h), but Stevens abandoned propellers due to the inherent danger in using the high-pressure steam engines. His subsequent vessels were paddle-wheeled boats. [15]