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Mud bogging (also known as mud racing, mud running, mud hogging, mud drags, mud dogging, or mudding) is a form of off-road motorsport popular in the United States and Canada in which the goal is to drive a vehicle through a pit of mud or a track of a set length. Winners are determined by the distance traveled through the pit.
Bubbles of methane, created by methanogens, that are present in the marsh, more commonly known as marsh gas. Marsh gas, also known as swamp gas or bog gas, is a mixture primarily of methane and smaller amounts of hydrogen sulfide, carbon dioxide, and trace phosphine that is produced naturally within some geographical marshes, swamps, and bogs.
A locomotive engine which gives a leak-down of 10% on a leak-down tester is virtually perfectly sealed while the same tester giving a 10% reading on a model airplane engine indicates a catastrophic leak. With a non-turbulent .040" orifice, and with a cylinder leakage effective orifice size of .040", leakage would be 50% at any pressure.
Lean-burn concepts are often used for the design of heavy-duty natural gas, biogas, and liquefied petroleum gas (LPG) fuelled engines. These engines can either be full-time lean-burn, where the engine runs with a weak air–fuel mixture regardless of load and engine speed, or part-time lean-burn (also known as "lean mix" or "mixed lean"), where ...
Mud runs are a popular activity involving mud. Participants run a distance of 5 kilometres (3 mi) to as long as 20 kilometres (10 mi), while crawling through mud bogs, and battling other obstacles. [4] [5] [6] A notable example is Tough Mudder. In the United States, U.S. Mud Sports also organizes events. [7] [8]
Jeffery Dean Struecker (born March 7, 1969) [1] [2] is an American author, pastor, and former United States Army Ranger who was involved in the Battle of Mogadishu in 1993. [2] [3] [4] He also participated in the 1989 invasion of Panama (Operation Just Cause) [2] [3] and in Kuwait during Operation Desert Storm.
Between 1988 and July 1990, Gurgel BR-800 had the IPI tax reduced to 7%, thus giving a great advantage for Gurgel. In July 1990, the Brazilian president Fernando Collor decided to give a similar tax cut to all cars with engines smaller than one litre, thus equating the price of the BR-800 with those of significantly larger and more usable cars ...