Harness racing use a standing start. The sulky (informally known as a "bike") is a light, two-wheeled cart equipped with bicycle wheels. The driver (not a "jockey", as in thoroughbred racing) carries a light whip chiefly used to signal the horse by tapping and to make noise by striking the sulky shaft. There are strict rules as to how and how much the whip may be used; in some jurisdictions (like Norway), whips are forbidden. For exercising or training, the drivers use what is known as a "jog cart," which is a sulky that is heavier and bulkier than a racing unit.
Field artillery in the American Civil War and mountain services." Few, if any, rounds were issued to field artillery batteries. The most pervasive piece of artillery equipment was the horse. Horses were required to pull the enormous weight of the cannon and ammunition; on average, each horse pulled about 700 pounds (317.5 kg). Each gun in a battery used two six-horse teams (for normal field artillery; heavier guns required much larger teams): one team pulled a limber that attached to the trail of the gun to form a four-wheeled wagon of sorts; the other pulled a limber that attached to a caisson. The large number of horses