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#1
12-07-2004, 11:05 PM
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Re: Fuel Tank build
Gotta love CAD, Nice welds, looks great. That's aluminium isn't it? USCG won't certify stainless tanks anymore.
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http://lecharters.com '76 23 SC CC I/O '86 20 Aquasport 200 '98 15 Boaton Whaler Dauntless There's more but w/e 
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#2
12-08-2004, 10:00 AM
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Re: Fuel Tank build
nope.. she's Stainless Steel... [img]/images/graemlins/shocked.gif[/img] [img]/images/graemlins/shocked.gif[/img] [img]/images/graemlins/shocked.gif[/img] [img]/images/graemlins/shocked.gif[/img]
Warhog.. why SS tank?
__________________
Don Battin Pipe Dreams Marine "Design her right, Build’er well Bend the throttles, And let’er eat…." Carl Moesly
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#3
12-08-2004, 11:19 AM
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Re: Fuel Tank build
Yes it's ALL stainless steel. It will still have a Coal Tar epoxy coating on the outside.
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#4
12-08-2004, 12:12 PM
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Re: Fuel Tank build
Yeah, I had a beautifull 130 gallon belly tank that I tired to get recertified and no one would touch with a stick. And the USCG doesn't like them because the welds are prone to give out. The freak'n thing had to weigh 300lbs. [img]/images/graemlins/shocked.gif[/img]
__________________
http://lecharters.com '76 23 SC CC I/O '86 20 Aquasport 200 '98 15 Boaton Whaler Dauntless There's more but w/e
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#5
12-08-2004, 01:01 PM
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Re: Fuel Tank build
I'm not sure I understand ....
Bobby .... feel like we are ganging up on ya with the questions... but the pressure testing ... is 1 "lb" (psi I assume) appropriate ?? I ask only because of what the Federal Regulation states (or at least how I read it) ....plus I know the tank builders around here all mention and build to the CG/Federal standards and they typically test to 5 psi …even mentioned on their websites Does the 1 psi pressure test fit within the Federal requirements ? Is the caveat in #2 below ? Maybe I don’t understand the methods of testing or the numbers being thrown around here….or maybe it has to do with the malleability of Aluminum vs Stainless? Quote from Boatbuilder handbook Title 33 CFR, Sections 183.501–183.590 FUEL SYSTEMS Revised November, 2003 “FEDERAL LAW: 183.542 Fuel systems. (a) Each fuel system in a boat must have been tested by the boat manufacturer and not leak when subjected to the greater of the following pressures: (1) Three pounds per square inch; or (2) One and one-half times the pressure created in the lowest part of the fuel system when it is filled to the level of overflow with fuel. (b) The test pressure shall be obtained with air or inert gas.”
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#6
12-08-2004, 10:36 PM
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Re: Fuel Tank build
Scott I understand your consern. Does anyone really put that much preasure on them? The guys I get my imfo from all all in the Naval Medical Reserch Facility. They build all kinds of WILD $hit. One of the guy's there said "If you put 4lbs in that sucker it will unzip itself". he's a pretty sharp guy and has fooled with this stuff a fair amount.
Here's a quote from another guy who builds fuel tanks. Accurate Towers Member Offline Member #4826 262 posts Naples Fla USA Report this post to a ModeratorAdd this post to My NotepadSend Instant Message Re: Fuel Tank Build (warthog5) 7:43 AM 12/7/2004 Reply to this post Warthog... Yes 3 lbs. is ALOT, you dont need that much air at all. Just fill up the tank till it bulges a little bit, don,t over fill it at all. Use a soapy water mixture in a spray bottle to find leaks. Wow, Stainless is definate overkill. That tank will break your back. Stainless is ok for a tank but usually for hundreds of gallons. A 70 gal. tank could have been made of aluminum and weighed less overall. The gas pickup should be no less than 3/8ths dia. tubeing. Any less will starve your motor and stall eventually. Do not put any back flow devises on your gas line they tend to starve an engine as well. Use a good recomended cartrage in line filter. The vent, nothing less tan 5/8ths hose, anything less will make it a hard slow filling tank. Try to make your gas fill tube a straight run to make it a faster filling tank, any bends or 90 degree fills will drasticlly cut down filling of the tank. Bet you'll never try another tank again, only if you must. Good luck... http://www.AccurateTowers.com
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#7
12-08-2004, 10:54 PM
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Re: Fuel Tank build
Warthog, I'm not trying to bust your nuts but I do know stainless tanks are a no no. You can do anything you like in your boat (looks great btw) and you've worked hard, but don't try and sell yourself on a tank that can't hold 4 psi.
There's a reason why you don't see stainless tanks in new boat manufacturing, and it's not becauce they're expencive.
__________________
http://lecharters.com '76 23 SC CC I/O '86 20 Aquasport 200 '98 15 Boaton Whaler Dauntless There's more but w/e
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#8
10-02-2013, 08:24 AM
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Quote:
every time I read ANYTHING this guy types I laugh ! warthog ?? should "bobby the butcher"...
__________________
do not let common sense get in your way
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#9
10-03-2013, 01:23 AM
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Quote:
So you never screwed up before? My guess is you got booted out of kindergarten for not playing nice..... strick
__________________
"I always wanted to piss in the Rhine" (General George Patton upon entering Germany)
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#10
10-03-2013, 06:53 AM
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Quote:
This guy had such a nice boat and did good work and he makes a tank out of SS, then coats it, and tops it off with some foam. O well, everyone should know by now how to install a gas tank. Not even sure why you need to coal tar coat a tank anyways. KISS theory applys here. This tank out of the 1967 bowrider, looks to us as original, and has little pitting on the outside. It looked to just been laying in the coffin with rubber strips on it, no tar no foam.....
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