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A piston pump has a very light suction phase, but the upstroke is heavy and puts a big backtorque on a starting rotor when the crank is horizontal and ascending. A counterweight on the crank up in the tower and yawing with the wind direction can at least spread the torque to the crank descent. [citation needed]
The diamond-shaped tower was patented by Nicholas Gerten and Ralph Jenner for Blaw-Knox July 29, 1930. [5] and was one of the first mast radiators.[1] [6] Previous antennas for medium and longwave broadcasting usually consisted of wires strung between masts, but in the Blaw-Knox antenna, as in modern AM broadcasting mast radiators, the metal mast structure functioned as the antenna. [1]
The terms "mast" and "tower" are often used interchangeably. However, in structural engineering terms, a tower is a self-supporting or cantilevered structure, while a mast is held up by stays or guy-wires. [1] A mast is a guyed mast, a thin structure without the shear strength to stand unsupported, that uses attached guy lines for stability ...
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Trevor Graham Baylis CBE (13 May 1937 – 5 March 2018) was an English inventor best known for the wind-up radio.The radio, instead of relying on batteries or external electrical source, is powered by the user winding a crank.
On March 26, 2021, the station's tower collapsed in an EF4 tornado that had gone through Newnan early that morning. Because the station had no backup site, the station stayed off-air for a few weeks before placing a crank-up tower in the front of the iHeartMedia Newnan/WCOH transmitter site to temporarily transmit from.
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The Class-B Standardized Military Truck or "Liberty Truck" was a heavy-duty truck produced by the United States Army during World War I.It was designed by the Quartermaster Corps with help from the Society of Automotive Engineers in 1917 in an effort to help standardize the immense parts catalogue and multiple types of vehicles then in use by the US military, as well as create a truck which ...