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Go Back   SailNet Community > Out There > Cruising & Liveaboard Forum > Living Aboard > gas powered liveaboards...
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Topic Review (Newest First)
04-12-2006 03:12 PM
sailingdog You definitely need to find where the leak is...and there is a leak if you're getting strong gasoline fume odors. Gasoline, once it is properly vaporized has about seven times the explosive power of an equal weight of dynamite.

Definitely not something you want to see first hand.
04-11-2006 10:36 PM
sailnaway I have an ATOMIC 4 I love this engine I have had several. I have smelled gas several times also but quickly found the problem and fixed it.the plate on top of the tank where the fuel sender goes in is one place to check. The tank is also subject to leaks which are often pin holes eaten through the welds near the bottom of the tank or in the bottom where you cant see it.The vent should be checked real close and the fill hose. the carb should be rebuilt and not weep around the gasket. The deck fill could be cracked or even coroded through.What engine do you have? Replace the fuel lines with USCG fire resistant hose and re seal all fittings with good gas proof thread sealer. This is cheep insurance.Find this leak and fix it before you have a serious problem like an explosion or fire.
04-11-2006 06:05 PM
hellosailor If there are no obvious fuel leaks, you may be smelling fuel that has spilled into wood and been adsorbed there. Solvent cleaning and then sealing the wood with epoxy paints is the best way to preclude or solve that.

But you may also be smelling fuel from the carburetor evaporating when the engine is off, or the fuel tank vent, or even a tiny leak from threaded fittings.

As others have said you should not be smelling ANY gasoline, if there is any vapor from any source in the boat, you have a risk of explosion. (And I have nothing against gasoline engines!)

If you clean, check, and recheck everything, use a toothbrush to clean old fittings and crevices, seal bare wood, and make sure the vents are vented overboard and still smell gas...That's not good, it IS toxic and you should not be sleeping with the vapors. I'd try a real thorough steam cleaning in the engine spaces, and adding a solar vent to give the engine spaces a constant positive ventilation out of the boat as well. They're expensive, yes, but I've never heard of anyone willing to give it back once they've installed one.
03-08-2006 03:30 PM
depthwish also.check.your.carb.make.sure.the.float.valve.isn 't.sticking.and.the.needle.seats.well.if.not.the.b owl.can.fill.and.overflow.into.your.bilge.once.tha t.happens.your.bilge.will.smell.for.a.long.time.
Eric
01-31-2006 04:52 PM
Dave A
gas powered liveaboards...

I lived aboard my Pearson 35 with a gas engine and did not smell any gas at any time. I wouldn''t stay aboard untill I found the source of the odor. My present boat is also a Pearson 35 but with a diesel, which does give some odor to the cabin when it''s running.

Dave A
S/V Wind Song
Pearson 35
01-19-2006 01:41 PM
razorseal
gas powered liveaboards...

It sucks being 6''2

I''m not fat or anything, but its like near impossible trying to cram myself into the engine area! lol its kinda scary in there too

but I will try my best to look for some leaks... hopefully I find something...

I always thought gas powered inboard engines with the tank inside had some fumes though
01-19-2006 09:47 AM
Champ
gas powered liveaboards...

I agree, you should never smell raw gas on a sailboat with a gas aux. engine. First place I would check are the fuel lines and connections. If the boat is older, the fuel lines in the olden days were not resistant to alcohol, which is frequently added to gasoline these days. Easy to replace. Next place I''d look is near the carb. A stuck float, or choke could be allowing gas to spill out.
01-18-2006 05:39 AM
razorseal
gas powered liveaboards...

i''ll def check it out...

but wouldnt gas be coming out of a hole (even if tiny) if there was a small leak?
01-18-2006 05:12 AM
Jeff_H
gas powered liveaboards...

In the days before electronic sniffers became popular, the standard test on a gas powered boat (or a boat with a propane stove) before turning on any electrical equipment, staring the stove or the engine was to sniff the bilge for gas fumes. You should not smell gasoline fumes period. None of the gasoline powered boats that I owned smelled of gasoline once they were put into shape.

You need to check the outside of fuel lines and the tank for pinhole leaks, (Tank will have dark mildew looking splotches and either the hoses or the tank will feel a little sticky)

Frankly a faint smell of diesel fuel is far more common on diesel powered boats than the smell of gasoline on gasoline powered boats. You can live with a little diesel in the air but you can die from a little gasoline in the air.

Good luck finding your leaks.

Jeff
01-18-2006 03:49 AM
razorseal
gas powered liveaboards...

hmm interesting, from what I see there are no fuel leaks on the boat, near the tank or the engine... but you can def. smell it... but prior to buying the boat, I had alot of people tell me that if I buy a gas powered sailboat, there will always be gas fumes which can be unpleasant, and unlike a car where the tank is outside, the tanks are inside the boat so the fumes collect, which is why I should always have the air bilge turned on for at least 5 minutes prior to starting up the boat...

but i''ll recheck everything and make sure there are no fuel leaks of any sort
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