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Author Topic:   Conquest 305 hatch leak

fishbadger posted 04-02-2011 02:23 AM ET (US)
This might have been covered before in a thread a year or two ago, just wondering if anyone else has evolved to a good solution to this.
My 2005 Conquest 305 has a hatch leak which is likely due to poor scupper design in the cockpit. They don't drain all the water (scuppers mounted really low, not much gravity to drain), and it pools in the aft seam of the hatch. Then the water leaks down through the hatch door gasket. No problem if the hatch mates perfectly with the cockpit floor and the gasket is primo. Not the case if there's any warp on the hatch door in the cockpit though, so folks have worked with additional gaskets, shimming cockpit hatch doors and installing extra drains in the floor of the scupper wells.
I'm embarking on fixing mine, entertaining all of the above solutions. Tried an extra gasket on the hatch itself and tried shimming but no improvement.
Any other ideas out there?
Thanks in advance,
fb
jollyrog305 posted 04-04-2011 08:23 AM ET (US)
Do you have a genset on your Conquest 305? If not you might want to see if adding some weight in the stern/bilge will help alleviate the problem. Here is a link to a previous discussion - http://continuouswave.com/ubb/Forum8/HTML/004173.html
fishbadger posted 04-05-2011 12:40 AM ET (US)
Yes I do have a generator. You're right, the cockpit does drain better when the boat's loaded with gas, water tank's full, etc. Too bad that's what one has to do for the boat to drain properly. . .poor design.
PFSQUAN posted 04-05-2011 02:46 PM ET (US)
Is there space to install a locking hatch pull? It might require some modification to the hatch and the gutter, but when installed properly a locking hatch pull compresses the gasket to create a water-tight seal. Peter
SouthFla posted 04-14-2011 08:23 AM ET (US)
FB, tried all the solutions listed, don't know of any more. It's bizarre, as there are quite a few of us 2005 305 owners here that have this problem which IMO was corrected on later models. But I have an identical 2005 305 in the slip next to me that does not have this problem whatsoever, and I can't figure out why.
For me the only problem that solved the leaking into the bilge was installing extra floor drains (which drain to the motor well) in the depressions immediately next to the scuppers. A pretty easy and inexpensive modification, and no more wet bilge, but it's irritating nonetheless that I have to do this :-(
Good luck
John
fishbadger posted 04-18-2011 12:58 AM ET (US)
Thanks all for the replies,
fb

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Author	Topic: Conquest 305 hatch leak
fishbadger	posted 04-02-2011 02:23 AM ET (US) This might have been covered before in a thread a year or two ago, just wondering if anyone else has evolved to a good solution to this. My 2005 Conquest 305 has a hatch leak which is likely due to poor scupper design in the cockpit. They don't drain all the water (scuppers mounted really low, not much gravity to drain), and it pools in the aft seam of the hatch. Then the water leaks down through the hatch door gasket. No problem if the hatch mates perfectly with the cockpit floor and the gasket is primo. Not the case if there's any warp on the hatch door in the cockpit though, so folks have worked with additional gaskets, shimming cockpit hatch doors and installing extra drains in the floor of the scupper wells. I'm embarking on fixing mine, entertaining all of the above solutions. Tried an extra gasket on the hatch itself and tried shimming but no improvement. Any other ideas out there? Thanks in advance, fb
jollyrog305	posted 04-04-2011 08:23 AM ET (US) Do you have a genset on your Conquest 305? If not you might want to see if adding some weight in the stern/bilge will help alleviate the problem. Here is a link to a previous discussion - http://continuouswave.com/ubb/Forum8/HTML/004173.html
fishbadger	posted 04-05-2011 12:40 AM ET (US) Yes I do have a generator. You're right, the cockpit does drain better when the boat's loaded with gas, water tank's full, etc. Too bad that's what one has to do for the boat to drain properly. . .poor design.
PFSQUAN	posted 04-05-2011 02:46 PM ET (US) Is there space to install a locking hatch pull? It might require some modification to the hatch and the gutter, but when installed properly a locking hatch pull compresses the gasket to create a water-tight seal. Peter
SouthFla	posted 04-14-2011 08:23 AM ET (US) FB, tried all the solutions listed, don't know of any more. It's bizarre, as there are quite a few of us 2005 305 owners here that have this problem which IMO was corrected on later models. But I have an identical 2005 305 in the slip next to me that does not have this problem whatsoever, and I can't figure out why. For me the only problem that solved the leaking into the bilge was installing extra floor drains (which drain to the motor well) in the depressions immediately next to the scuppers. A pretty easy and inexpensive modification, and no more wet bilge, but it's irritating nonetheless that I have to do this :-( Good luck John
fishbadger	posted 04-18-2011 12:58 AM ET (US) Thanks all for the replies, fb