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Old 02-24-08, 05:48 AM   #15
papa_smurf
Ocean Warrior
 
Join Date: Jul 2007
Location: High Peak, Derbyshire
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When i croos the pond in a type IX/C, I find that 8-9 kts is the most efficient use of fuel. Also don't forget to submerge during daylight hrs, as this wil increase fuel economy.
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