Clackamas County / Ë k l Ã¦ k É m Éª s / is a county in the U.S. state of Oregon. As of the 2010 census, the population was 375,992, making it Oregon's third-most populous county. Its county seat is Oregon City.
By 1850, this journey was halved. For instance the clipper ship Oriental was able to sail from Hong Kong to London in 97 days that year. The absolute one day distance record made by a clipper involved 436 nautical miles. Clipper ships were fast but no specific rig type was standard. By 1845, the term was used in conjunction with a name indicating the cargo carried or area served by a fast-sailing vessel and a specific rig type was usually indicated.
An object on the Earth's equator travels once around the Earth's circumference. This is about 24,901 miles (40,075 kilometres) per day. To calculate speed, Mr Kadish divided that distance by 23hr, 56m, 4s to reach the figure of 1,040 mph.