This AP article uses only metric units, though the quantity is muddled.
They speak of rotating the Hunley by 800 mm to 1000 mm in 2 mm
increments. Obviously they are speaking of the tangential displacement
at the radius of the hull, not an angular displacement.
Jim
http://www.foxnews.com/us/2011/06/24/confederate-submarine-upright-for-first-time-in-150-years/?test=latestnews
--
James R. Frysinger
632 Stony Point Mountain Road
Doyle, TN 38559-3030
(C) 931.212.0267
(H) 931.657.3107
(F) 931.657.3108