FWIW, My boat's engine strainer is a glass walled strainer with wingnuts. It is located high up in the engine compartment and I believe the top is at the waterline.
> On September 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] mailto:[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 > 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 > > > > 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] > > mailto:[email protected] > wrote: > > > > > -------- Forwarded message ---------- > From: Joel Aronson <[email protected] > mailto:[email protected] > > To: "[email protected] mailto:[email protected] " > <[email protected] mailto:[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 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!
