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That is, 7.92 units of distance are equivalent to 1 unit of climb. For convenience an 8 to 1 rule can be used. So, for example, if a route is 20 kilometres (12 mi) with 1600 metres of climb (as is the case on leg 1 of the Bob Graham Round , Keswick to Threlkeld), the equivalent flat distance of this route is 20+(1.6×8)=32.8 kilometres (20.4 mi).
Sailable Distance: Up to 2 nm from a port or place of shelter. Boat Length: Up to 6 meters. Water Scooter: Up to Type C. Navigation Time: Daylight only. Patrón de Navegación Básica Sailable Distance: Up to 5 nm from a port or place of shelter. Boat Length: Up to 8 meters. Water Scooter: No limit. Navigation Time: No limit.
Mariners have used the log for a long time. The first known description of the device in print is in A Regiment for the Sea by William Bourne, in 1574. Bourne devised a half-minute sandglass for timing. [7] At the time, a mile was reckoned as 5,000 feet, so in 30 seconds at one mile per hour, a ship would travel about 42 feet:
The one-hour step corresponds to a time zone width of 15° longitude. The 15° gore that is offset from GMT or UT1 (not UTC) by twelve hours is bisected by the nautical date line into two 7°30′ gores that differ from GMT by ±12 hours. A nautical date line is implied but not explicitly drawn on time zone maps.
The length of the internationally agreed nautical mile is 1 852 m. The US adopted the international definition in 1954, having previously used the US nautical mile (1 853.248 m). [6] The UK adopted the international nautical mile definition in 1970, having previously used the UK Admiralty nautical mile (6 080 ft or 1 853.184 m).
"Any reason to get on a boat," he said. Only about 150 yachts a year complete this trip, which is far fewer than the roughly 800 people who climb Mount Everest annually. The Hawkinses' Dream ...
The Great Loop is a system of waterways that encompasses the eastern portion of the United States and part of Canada. It is made up of both natural and man-made waterways, including the Atlantic and Gulf Intracoastal Waterways, the Great Lakes, the Erie Canal, and the Mississippi and Tennessee-Tombigbee Waterway. [1]
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related to: boat hours equivalent to miles calculator driving time distance map