Oops sorry this should have been directed to Joel. Mike PERSUASION C&C 37 K/CB Long Sault
Begin forwarded message: > From: Persuasion37 <persuasio...@gmail.com> > Date: September 11, 2017 at 4:54:24 PM EDT > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Perko sea strainer failed - almost lost my boat! > > 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 >> <cnc-list@cnc-list.com> 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 >>> <cnc-list@cnc-list.com> 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, <cnc-list-requ...@cnc-list.com> wrote: >>>> ---------- Forwarded message ---------- >>>> From: Joel Aronson <joel.aron...@gmail.com> >>>> To: "cnc-list@cnc-list.com" <cnc-list@cnc-list.com> >>>> 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!
