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Fuel Capacity
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fortyrod View Drop Down
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Points: 1955 		Post Options Post Options   Thanks (0) Thanks(0)   Quote fortyrod Quote  Post ReplyReply Direct Link To This Post Topic: Fuel Capacity
    Posted: 11 Feb 2019 at 5:23pm
I'm confused and cannot find the answer. An individual states that WW2 subs carried 125,000 Gal of fuel. However he doesn't state what class of boat that is. My research finds that a Gato class boat carried 94,500 gallons, but, is that with or with out the Fuel Oil Ballast tanks? Is he quoting a Tench Class boat? It certainly couldn't have been an S class.
Question: how much fuel does a Gato class hold with Fuel Oil Ballast tanks filled?
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Dave595 View Drop Down
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Points: 331 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave595 Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2019 at 5:42pm
http://navsource.org/archives/08/pdf/0823839v.pdf
Fuel capacity: 94,400 gals (116,000 gals wartime)
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oldsubs View Drop Down
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Points: 2070 		Post Options Post Options   Thanks (0) Thanks(0)   Quote oldsubs Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 2019 at 9:14am
Looking at the Historic Naval Ships Association site at some Booklet of General Plans:
Balao Class looks like they had about 120,000 gallons and Tench Class had about 113000 gallons.  Just a couple of sample points.
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pekelney View Drop Down
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Points: 142 		Post Options Post Options   Thanks (0) Thanks(0)   Quote pekelney Quote  Post ReplyReply Direct Link To This Post Posted: 23 Feb 2019 at 10:15pm
USS Pampanito, a typical Balao sub  has 55,586 in normal fuel oil tanks, 38,530 in fuel ballast tanks for a total of 93,110 gallons.

Fuel Ballast Tanks are full of fuel when leaving port, when their fuel is used they are converted to ballast tanks at sea.  They have all the piping and fittings to serve both purposes.


Edited by pekelney - 24 Feb 2019 at 9:53am
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