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Over the next several years, thru-hub exhaust became a standard feature of all Mercury models, and later was adopted near industry-wide for both outboards and stern-drives. With Mercury Marine outboards typically having smaller displacement per horsepower and better fuel economy than the competition's motors, an ad ran in publications showing a ...
The measure of the consistency of grease is commonly expressed by its NLGI consistency number. The main elements of standard ATSM D4950 and NLGI's consistency classification are reproduced and described in standard SAE J310 “automotive lubricating greases” published by SAE International.
Grease fitting on a bearing A grease nipple on the driver's door of a 1956 VW Beetle. A grease fitting, grease nipple, Zerk fitting, grease zerk, Alemite fitting, or divit is a metal fitting used in mechanical systems to feed lubricants, usually lubricating grease, into a bearing under moderate to high pressure using a grease gun.
The NLGI was incorporated by a small number of U.S. companies in 1933 to create a code for the National Recovery Act. The original name of the organization was the National Association of Lubricating Grease Manufacturers, Inc. The name was changed in 1937 as the industry recognized the need for a joint development and standards association and ...
The outdrive unit of a boat with sterndrive. A sterndrive or inboard/outboard drive (I/O) is a form of marine propulsion which combines inboard power with outboard drive. The engine sits just forward of the transom while the drive unit (outdrive or drive leg) lies outside the hull.
Grease Monkey began offering an EcoPower full service oil change [4] in 2007 at participating locations. In April 2012, The National Oil & Lube News featured Grease Monkey franchisees Roger Bouchard and Champe Granger for their "Going Green" efforts. Celebrating one year of being green, Bouchard and Granger began the green initiatives as a way ...
Gimbal lock constrains maneuvering and it would be beneficial to eliminate the slip rings and bearings of the gimbals. Therefore, some systems use fluid bearings or a flotation chamber to mount a gyrostabilized platform. These systems can have very high precisions (e.g., Advanced Inertial Reference Sphere). Like all gyrostabilized platforms ...
Gimbal lock is the loss of one degree of freedom in a multi-dimensional mechanism at certain alignments of the axes. In a three-dimensional three-gimbal mechanism, gimbal lock occurs when the axes of two of the gimbals are driven into a parallel configuration, "locking" the system into rotation in a degenerate two-dimensional space.