Patrick Those are massive hoses and through hull you have on your boat. I'm thinking the strainer top is 2" and the hoses are in the 1/2" range.
Mike PERSUASION C&C 37 K/CB Long Sault > On Sep 11, 2017, at 1:51 PM, Joel Aronson via CnC-List > <[email protected]> wrote: > > Patrick, > > Yes that's the unit. The bolt with the wing nut failed. The result was the > equivalent of a 2 inch hole in the boat. That's 80 gallons per minute. > Luckily, I have a large bilge! > > Joel > >> On Mon, Sep 11, 2017 at 1:04 PM, Patrick Davin via CnC-List >> <[email protected]> wrote: >> Yikes. Is it a Perko like this one? >> http://www.perko.com/images/catalog/product/xl/Fig%200493%20(Top%20On).jpg >> >> I'm having a hard time visualizing how a single bolt failure could result in >> a hole big enough to outpace a 800 gph pump. >> >> Sounds like one of the wing nut bolts broke, but the other one was still >> holding the lid torqued partially in place? Seems like a poor design. The >> Groco design is nice because there's no way a threaded lid could >> spontaneously fail - >> https://fisheriessupply.scene7.com/is/image/FisheriesSupply/129443-groco-gro-arg-750-s-strainer-al1 >> >> Scary that it failed randomly rather than when you would expect a corroded >> bolt to break (while torqueing the bolts during filter cleaning). >> >>> On Mon, Sep 11, 2017 at 7:59 AM, <[email protected]> wrote: >>> ---------- Forwarded message ---------- >>> From: Joel Aronson <[email protected]> >>> To: "[email protected]" <[email protected]> >>> Cc: >>> Bcc: >>> Date: Mon, 11 Sep 2017 10:24:34 -0400 >>> Subject: Stus-List Perko sea strainer failed - almost lost my boat! >>> Yesterday as we were sailing back to the dock one of my crew yelled >>> 'there's a lot of water down here'. I opened the companionway steps and >>> saw water coming out of the top of the sea strainer as the water was >>> reaching the top of it. >>> >>> I closed the seacock and we manned the manual pump. Once the water was >>> below the floorboards we let the electric do its job. >>> >>> One of the arms that held the lid in place broke at the lower end. Luckily >>> we were aboard and found the leak. There was not excessive corrosion on >>> the strainer, so I don't think the weakness could have been detected. Time >>> to re-think leaving seacocks open when I'm off the boat! >>> >>> -- >>> Joel >>> 301 541 8551 >> >> _______________________________________________ >> >> This list is supported by the generous donations of our members. If you wish >> to make a contribution to offset our costs, please go to: >> https://www.paypal.me/stumurray >> >> All Contributions are greatly appreciated! >> > > > > -- > Joel > 301 541 8551 > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated!
_______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!
