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Originally Posted by Ducimus
If you think you might be short on fuel , submerge at daybreak, and surface at 0 hour to recharge bats. Run your diesals as little as possible. Usually i'll do this to clear biscay bay. Atlantic crossing is done on the surface (only sane way really), once you get into the carribean, you'll spend most of your time underwater, and about 4/5 hours a day on the surface.
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Do you keep your engines on recharge mode for this? I have done that before in my VIIB to increase range but seeing as you lose speed while "recharging" and you are theoritically still doing the same RPM i.e. same fuel burn i thought the benfits might not be all that great. I haven't done the maths on it, i might do it now in my IXC actually.
Stix