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An engraved copper plaque next to the Rocker Shovel at Bingham Canyon Mine. EIMCO 12B in the passing loop at Lea Bailey Light Railway.. A Rocker Shovel Loader, sometimes simply referred to as a Rocker Shovel or Mucker is a type of mechanical loader used in underground mining.
A rocker box (also known as a cradle or a big box) is a gold mining implement for separating alluvial placer gold from sand and gravel which was used in placer mining in the 19th century. It consists of a high-sided box, which is open on one end and on top, [ 1 ] and was placed on rockers .
The final assembly and integrating all the different parts was also done by DAF. [13] A follow-up order for 160 YPR-765s was placed in 1978 at a cost of 63 million Dutch guilders. [14] 116 of these vehicles were equipped with TOW launchers, while 36 would be built as command vehicles and 8 as recovery vehicles. [15]
On most overhead valve (OHV) engines, proper clearance between the camshaft and tappet is achieved by turning a set screw in the end of the rocker arm that contacts the end of the pushrod until a desired gap is achieved using a feeler gauge. Too large a gap results in wear from misaligned parts and compromised engine performance, and too small ...
The console of the Wanamaker Organ in the Macy's (formerly Wanamaker's) department store in Philadelphia, featuring six manuals and colour-coded stop tabs.. The pipe organ is played from an area called the console or keydesk, which holds the manuals (keyboards), pedals, and stop controls.
Sir Robert Hutchison, 1st Baronet, FRCP [5] (28 October 1871 – 20 April 1960) was a Scottish physician and paediatrician, and the original editor of the medical books, Clinical Methods and Food and the Principles of Dietetics.
A rocker bogie In motion - incorrectly shows chassis staying level; the chassis actually maintains the average of the two rockers Rocker bogie on Curiosity. The rocker-bogie system is the suspension arrangement developed in 1988 for use in NASA's Mars rover Sojourner, [1] [2] [3] and which has since become NASA's favored design for rovers. [4]
The ratio is determined by the ratio of the distances from the rocker arm's pivot point to the point where it touches the valve and the point where it touches the pushrod/camshaft. A rocker ratio greater than one essentially increases the camshaft's lift. Current automotive design favors rocker arm ratios of about 1.5:1 to 1.8:1.