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In 1920, the motorcycle's weight increased from the addition of fenders, a larger fuel/oil tank, and in 1921 the seat was enlarged, along with a still larger fuel/oil tank, and a battery was added. The displacement was increased to 269 cc (16.4 cu in) to handle the increased weight of 195 lb (88 kg) from these changes.
In 2010 the AMCA established a special Custom Culture Class to recognise the importance of custom motorcycle in the 1960s and 1970s. To comply with the AMCA's 35-year rule for antique designation Custom Culture Class motorcycles must have an engine that was sold in a production motorcycle between 1960 and 1975. [3]
A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threaded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.
By the 1920s, battery holders used twin metal clips (like fuse holders) to hold the battery in place while making electrical contact. Patent no. 1439429 was granted in Dec. 1922 for an assembly with two spring arm clips, a small switch, and a lamp assembly on the end of connected wires.
Unlike lithium-ion batteries, which use liquid or gel electrolytes, solid-state batteries utilize solid electrolytes. This key difference enhances safety, as solid electrolytes are less likely to catch fire or leak. Solid state batteries can also achieve higher energy densities, therefore lasting longer than traditional lithium-based batteries ...
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The Vintage Motorcycle Museum is an appointment only museum in Chehalis, Washington. [1] The collection, founded in 1979 by retired building contractor Frank Mason, [ 2 ] includes pre-1916 motorcycles, photographs and memorabilia. [ 1 ]
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