samboy Posted April 26, 2012 Posted April 26, 2012 Hey raiders, just got a quick question and would love some advice. So i forgot to take the bungs out of my 12ft tinny the other day and when it bucketed down last week or something pretty much the whole boat filled with water. So apart from the stress on the trailer and all that i was a bit worried about the fuel tank because i leave the tiny screw top lid above the normal lid open so the tank can breathe. I didnt see whether or not the tank was under water or not but im worried that water might have got in. Is there any way to check or should i just empty all the fuel out to be safe. Cheers guys Sam
Guest Aussie007 Posted April 27, 2012 Posted April 27, 2012 empty the fuel to be safe unless u plan on taking up rowing lol
Hammo2809 Posted April 27, 2012 Posted April 27, 2012 I would empty it out and rinse out with some metho as this will pick up any traces of water left in it. Its generally a good idea to keep the vent closed as when it contracts it draws air & moisture in that will stay in the tank. The tanks are made to withstand the expansion and contraction with the vent closed.
The Incredible Hull Posted April 30, 2012 Posted April 30, 2012 Doesn't explain why they have breather caps in the first place.
Juggs Posted April 30, 2012 Posted April 30, 2012 Doesn't explain why they have breather caps in the first place. liquids expand when heated and contract when cooled leave it closed and put a tote tank out in the sun, even if empty it will expand and distort
The Incredible Hull Posted April 30, 2012 Posted April 30, 2012 liquids expand when heated and contract when cooled leave it closed and put a tote tank out in the sun, even if empty it will expand and distort ??? I'll ask again... If they are made to withstand expansion etc, what is the point of the breather cap...
abecedarian Posted April 30, 2012 Posted April 30, 2012 (edited) ??? I'll ask again... If they are made to withstand expansion etc, what is the point of the breather cap... As the tank empties you need to replace it with air otherwise the engine won't be able to draw the fuel through due to the vacuum. No breather cap and the engine won't run for long... Edited April 30, 2012 by abecedarian
Juggs Posted May 1, 2012 Posted May 1, 2012 They handle some expansion but you can permanent wreck some tanks if left too long The ability to seal the tank is so you don't slop fuel on yourself when you manhandle the tanks Or get water in when you wash the boat As stated above a permanently sealed tank would starve the engine of fuel after a few minutes of run time
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