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Old 01-30-18, 06:25 PM   #7
Sniper297
The Old Man
 
Join Date: Dec 2005
Location: Philadelphia Shipyard Brig
Posts: 1,386
Downloads: 160
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Surface range is straightforward, that's in each sub's SIM file;
Miles=15000
Knots=12
will give a max range of 15000 miles at 12 knots.

Submerged is a different story;

http://www.subsim.com/radioroom/showthread.php?t=211380

That subroutine is so screwed up the best you can do is get it somewhere close to a realistic feel then just live with it.

What I'm using now;

S-Class;

E-Propulsion
Max Speed = 9
Eng Power = 2350
Eng RPM = 296

Ranges
Submerged
Miles = 0.5
Knots = 30

All fleet boats;

E-Propulsion
Max Speed = 10
Eng Power = 2660
Eng RPM = 270

Ranges
Submerged
Miles = 1
Knots = 45

That looks totally whacko, but read the thread - the labels are not what they're labeled to be for underwater propulsion.
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