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jerlim
Master Marine Consultant

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USA
1484 Posts
Initially Posted - 07/22/2009 :  10:50:33  Show Profile
Just sharing an experience - and boy do I feel dumb! On Friday, the wind died and we had to motor back from a distance, took almost an hour and well over a 1/4 tank of fuel...the next day, the wind recovered and we were out having a fine time - sailed right up to the marina channel marker...I started the O/B to get us through the channel and to the slip - after about 5 minutes of running, the motor petered out...right as we were in the narrow channel, w/ shoals either side, I opted to sail in w/ the genny - which actually worked well, including gybing twice along the serpentine route to get to our slip, fortunately it was getting late and there was not a lot of traffic in the marina. After tying up, I checked the gas tank, and observed a significant negative air pressure when opening the cap. After pumping the bulb, the motor then started up fine...as we say at work - another learning opportunity!!!
Jerry
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Ed Cassidy
Captain

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USA
365 Posts
Response Posted - 07/22/2009 :  12:42:21  Show Profile
Sounds a lot like you didn't open the air bleed!
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delliottg
Former Mainsheet C250 Tech Editor

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USA
4479 Posts
Response Posted - 07/22/2009 :  13:27:24  Show Profile  Visit delliottg's Homepage
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Sounds a lot like you didn't open the air bleed!<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">

That was my first thought as well. I've only had that happen to me once, but it was an interesting experience. Fortunately I knew what had happened, but that didn't stop my sister from getting a bit freaked out when I handed her the tiller and told her to not hit anything while I fixed it and restarted the engine.

I think you handled it very well, and learned that you <i>can </i>get your boat back in by sailing alone, which is a fine skill to learn indeed!
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Nautiduck
Master Marine Consultant

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USA
3704 Posts
Response Posted - 07/22/2009 :  13:34:25  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Ed Cassidy</i>
<br />Sounds a lot like you didn't open the air bleed!
<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">
I've never done that.
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Ed Cassidy
Captain

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USA
365 Posts
Response Posted - 07/22/2009 :  15:43:46  Show Profile
I didn't ever do it either, I just had people tell me about it!
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islander
Master Marine Consultant

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USA
4024 Posts
Response Posted - 07/22/2009 :  15:59:38  Show Profile
I can't say its happened to me, but then again I never close it. Inboard tanks are vented all the time and I never trusted a plastic tank when they swell up in the heat, so the vent stays open. If you don't have the later fuel locker I would imagine that you would want to close it so as not to get fumes down below.
Edited by - islander on 07/22/2009 16:07:25
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Voyager
Master Marine Consultant

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USA
5378 Posts
Response Posted - 07/22/2009 :  17:04:51  Show Profile
Never happened to me either, when I was using the 6 gallon tank. Motor konked, had no idea why, but I had been having low idle problems at that time. Boy was I glad when I looked at the top of the tank and tweaked the air vent thingy. I was delighted to find it!
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glen
Captain

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359 Posts
Response Posted - 07/23/2009 :  12:20:53  Show Profile
[quote]<i>Originally posted by islander</i>
<br />I can't say its happened to me, but then again I never close it. Inboard tanks are vented all the time and I never trusted a plastic tank when they swell up in the heat, so the vent stays open. If you don't have the later fuel locker I would imagine that you would want to close it so as not to get fumes down below.
I have the older fuel locker (Don’t get me started on engineers, someone actually thought it was OK to vent gas fumes into the bilge area ! Ya Right )What I did was to add a second gas line connection to my 6 gallon tank. I installed this port on the front of the tank so it sits on top when I secure the tank in the locker. It has no fill tube attached to it inside the tank, so it acts the same as a vent. I have a Vent tube (gas line) that on one end connects to this fitting and on the orher end connects to a screened vent. The vent tube is routed to the top of the locker, then down to the tank. This loop prevents any rain or water from entering the fuel tank. I also used a different brand connection then the one for my outboard, so I can't confuse them and hook the wrong line to the the vent. (I have a 9.9 Honda, so for the vent I used an OMC connection)
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Prospector
Master Marine Consultant

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Canada
3159 Posts
Response Posted - 07/23/2009 :  13:14:23  Show Profile  Visit Prospector's Homepage
I actually haven't done this, but I have installed the line backwards, and I've had the gas line pinched under the locker while I sat on it scratching my head...
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DaveR
Master Marine Consultant

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USA
2015 Posts
Response Posted - 07/23/2009 :  14:10:10  Show Profile  Visit DaveR's Homepage
I'm sure I've done this, but what's fresh in my mind is when I used my dinghy last I was 1/4 way to where I was going and she conked out. No auto-start, so I pulled and pulled until I ........... realized I hadn't turned the gas on ........
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delliottg
Former Mainsheet C250 Tech Editor

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USA
4479 Posts
Response Posted - 07/23/2009 :  15:20:13  Show Profile  Visit delliottg's Homepage
Hah, you just reminded me, I've done the fuel line backwards trick once too, that bulb gets sucked down amazingly flat when you do. I looked at the bulb I don't know how many times before it dawned on my how it could get that flat and the solution became evident.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.