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» So, when do we see a set of rules we (Carter) can nit-pik over?...
Yesterday at 1:49 pm by SteveL

» Gaming session for Nov. 2
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» THAC0s for Monsters with more than 16+ Hit Dice
Fri Oct 23, 2009 2:40 pm by SteveL
Viking longship travel rates
Mon May 04, 2009 3:01 pm by SteveL
About 100 miles/day.

Quote:
The distance here between the lands is some 525 miles, making his [Bjarni's] average sailing speed 150 miles per day.

Both the great geographer Ptolemy and Marinus of Tyre had stated that average ship speeds in their time were in the range of 100 miles per day. In checking Norse speeds in the North Atlantic, this author found four old records of time elapsed while travelling between two points; dividing these by the distances involved gave speeds ranging from 73 miles per day up to 151 miles per day. We know Bjarni had been at the high end. . . .

A side wind can propel a square rigger, but at a slower speed. This leg for Leif was some 170 nautical miles. In the two days stated, he averaged 85 miles per day. [http://www.ensignmessage.com/archives/vikings.html]


Quote:
Here are examples of the different kinds of speed: When Ottar (Skuldelev 1) sailed to Eastern Norway in the summer of 2003, the ship could, over part of the voyage – a distance of 147 nautical miles (Anholt-Lyngør), maintain an average speed over ground* of 4.5 knots. This corresponds to 108 nautical miles per 24 hours and gives a good impression of the ship’s potential speed with a light to gentle breeze from the stern.[http://vikingeskibsmuseet.dk/index.php?id=1308&L=1]


* "Speed over ground: Distance over ground/time" (does this mean "as the crow flies"?).

But overall speeds are slower because of delays:

Quote:
The whole voyage from the coast of Northern Zealand to the coast of Eastern Norway took in all seven travel days as it was necessary to seek shelter in Anholt Harbour due to a strong headwind. The resulting travelling speed overall, over the shortest possible distance of 189 nautical miles on the route from Hundested-Anholt-Lyngør was on average only 27 nautical miles per day or 1.3 knots.[http://vikingeskibsmuseet.dk/index.php?id=1308&L=1]


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