See also: Hanover Township, Pennsylvania (disambiguation). Hanover is a borough in York County, Pennsylvania, 19 miles (31 km) southwest of York and 54 miles (87 km) north-northwest of Baltimore, Maryland and is 5 miles (8.0 km) north of the Mason-Dixon line. The town is situated in a productive agricultural region. The population was 15,289 at the 2010 census.
Horsepower (hp) is a unit of measurement of power (the rate at which work is done).
(hÃ´rsâ²pouâ²Ér) A unit used to measure the power of engines and motors. One unit of horsepower is equal to the power needed to lift 550 pounds one foot in one second. This unit has been widely replaced by the watt in scientific usage. (hp) A unit of work representing the power needed to raise 550 lb by 1 ft in 1 s.