Sheave pulley out of several pieces. The two main "halves" of the pulley can be moved closer together or farther apart, thus altering the operational diameter. The usual construction is some sort of locking collar or set screws to secure the components, one half with a threaded central shaft and one half with a threaded center. By rotating the components one can "screw" the parts closer together or further apart, thus changing the distance between the two halves and allowing the belt to ride higher or lower in the groove. The adjustments are constrained to a specific range of size and
Rope-a-dope Rope-a-dope The rope-a-dope is a boxing fighting style commonly associated with Muhammad Ali in his 1974 Rumble in the Jungle match against George Foreman. In many competitive situations, rope-a-dope is used to describe strategies in which one contender lets their opponent fatigue themself by drawing non-injuring offensive actions. This then gives the contender an advantage towards the end of the competition or before, as the opponent becomes tired, allowing the contender to execute devastating offensive maneuvers and thereby win. The rope-a-dope is performed by a boxer assuming a protected stance (in Ali's classic pose, lying against the ropes, which allows