Wiktionary (0.00 / 0 votes) Rate this definition: sultan (Noun). Originally, a secular office, formally subordinate to -, but de facto the power behind the throne of the (theoretically universal) caliph. hereditary ruler in various Muslim states (sultanate), varying from petty principalities (as in Indonesia and in Yemen), often vassal of a greater ruler, to independent realms, such as Oman, Brunei, or an empire such as the Turkish Ottoman Empire.
Rocker arm. A rocker arm (in the context of an internal combustion engine of automotive, marine, motorcycle and reciprocating aviation types) is an oscillating lever that conveys radial movement from the cam lobe into linear movement at the poppet valve to open it.hen the camshaft lobe raises the outside of the arm, the inside presses down on the valve stem, opening the valve. When the outside of the arm is permitted to return due to the camshafts rotation, the inside rises, allowing the valve spring to close the valve.
As the hands begin to move the knob of the bat toward the ball, the hitter does not allow the bat head to fall below the hands. The lead arm maintains a 90-degree angle. This method of approaching the ball ensures a shorter arc and a more compact swing. One of the most important body parts is the fround shoulder.