[Public-List] Public-List Digest, Vol 3192, Issue 2
Wes Gardner via Public-List
public-list at lists.alberg30.org
Fri Feb 5 11:39:51 PST 2016
Hi All,
I agree...I'm embarrassed to say that I got "cold feet" at the last moment
and reverted to using polysulphide...
The chainplate covers do help give extra caulking area...
Wes
On Fri, Feb 5, 2016 at 12:02 PM, via Public-List <
public-list at lists.alberg30.org> wrote:
>
> If you plan on cover plates, seriously consider using butyl tape as your
> bedding/caulking compound. It lasts forever (6 years and counting on
> Horizon), and we have completely done away with the annual/biannual
> chainplate recaulking job. Bulkheads are bone dry.
>
> For all things related to deck hardware (and many other interesting
> solutions), this is an excellent site:
>
> http://www.pbase.com/mainecruising/rebedding_hardware
>
> Several articles address use of butyl tape and you can even order it there.
>
> Regards
>
> Ray Meyer
> s/v Horizon
> 26 32.7524 N
> 077 02.7655 W
>
>
> -----Original Message-----
> From: via Public-List <public-list at lists.alberg30.org>
> To: public-list <public-list at lists.alberg30.org>
> Sent: Fri, Feb 5, 2016 11:41 am
> Subject: Public-List Digest, Vol 3192, Issue 2
>
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> ======================================================
>
>
>
> Today's Topics:
>
> 1. Re: Bulkheads (Jonathan Bresler via Public-List)
> 2. Re: Bulkheads (Gordon Laco via Public-List)
> 3. Re: Bulkheads (Wes Gardner via Public-List)
> 4. Re: Bulkheads (Don Campbell via Public-List)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 5 Feb 2016 09:33:09 -0500
> From: Jonathan Bresler via Public-List
> <public-list at lists.alberg30.org>
> To: Gordon Laco <mainstay at csolve.net>
> Cc: Alberg 30 Public List -- open to all
> <public-list at lists.alberg30.org>
> Subject: Re: [Public-List] Bulkheads
> Message-ID:
> <CAHEe8Tvvm1H8=DTRDwV-frVh2zQNoDhh9bbCndHsKnakErA=
> 3w at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Gordon,
>
> Thank you, but credit should go to Wes Gardner. Wes has mentioned
> the Schaefer chainplate covers and in doing so seems to have convinced
> me to add them. Noodling the idea that 7 pieces of G-10 3" by 2"
> (covers are 2-1/2" x 1-9/32" per Schaefer webpage ) expoxied to the deck,
> rounded corners, filleted G-10 deck joint, with Schaefers on screwed down
> on top might be just the thing that the well-dressed Alberg 30 will be
> wearing
> this season.
>
> Jonathan
>
> On Fri, Feb 5, 2016 at 9:26 AM, Gordon Laco <mainstay at csolve.net> wrote:
>
> > Thank you for that recommendation Jonathan, I'm going to fit them to my
> > plates this spring.
> >
> > Gord #426 Surprise
> >
> >
> > On 2016-02-05, 9:23 AM, "Jonathan Bresler via Public-List"
> > <public-list at lists.alberg30.org> wrote:
> >
> > > Thinking about chainplate covers.
> > > Schaefer covers have been mentioned a few times in the thread.
> > > Schaefer appears to have covers for 1-1/4"x1/8" chainplates
> (84-88/84-78)
> > > and covers for 1-1/2"x1/4" chainplates (84-90/84-80) as well as smaller
> > and
> > > larger
> > > chainplates. Our chainplates are 1-1/4"x3/16", if I measured and noted
> > the
> > > sizes correctly.
> > >
> > > Guessing that folks are using the covers for 1-1/2"x1/4" chainplates
> > > (84-90/84-80) ?
> > >
> > > Jonathan
> > >
> > > On Fri, Feb 5, 2016 at 9:20 AM, Jonathan Bresler <
> 262alberg30 at gmail.com>
> > > wrote:
> > >
> > >> Backing up a moment, Don mentioned:
> > >>
> > >> "The backstay chainplate offers a different problem. There is a moment
> > of
> > >> force there because of the design. The top bolt is aft of all the the
> > >> others because *the chainplate is angled aft at the top*. Thus if the
> > top
> > >> bolt fails from a bad knee, then the leverage is increased on the
> lower
> > >> bolts and shear is more likely. As the chainplate revolves around the
> > >> bottom bolt as the others shear, and it holds because there is no
> > longer a
> > >> moment to shear it, once straight with the stay, there is a major
> > overload
> > >> in a straight pull to cause the shear then, and there is no deck that
> > can
> > >> hold that so the backstay flies free."
> > >>
> > >> Needless to say, this scared the "stuffing" out of me particularly as
> it
> > >> does not match what I remember seeing in #262.....hurriedly went to
> the
> > >> boat last night to check. To my relief, the backstay chainplate is
> > >> installed through the deck and bolted to the knee at an angle in line
> > with
> > >> the backstay.
> > >>
> > >> Did Whitby change the installation of the backstay chainplate at some
> > >> point ?
> > >>
> > >> Jonathan
> > >>
> > >> P.S. backstay chainplate is 1-1/4" x 3/16" x 6" (below deck) with
> 5/16"
> > >> bolts, 1/2" pin in the chainplate and 1/4" 1x19 stainless steel wire
> > >> backstay.
> > >>
> > >> On Fri, Feb 5, 2016 at 8:16 AM, Jason S via Public-List <
> > >> public-list at lists.alberg30.org> wrote:
> > >>
> > >>> I also have had good luck with 3M4000 series UV..Very good seal and
> no
> > >>> cracking or seperation from chainplates or deck areas after 2
> seasons.
> > >>>
> > >>> Jason
> > >>> #457
> > >>> www.svsalacia.blogspot.com
> > >>> On Feb 5, 2016 8:05 AM, "via Public-List" <
> > public-list at lists.alberg30.org
> > >>>>
> > >>> wrote:
> > >>>
> > >>>>
> > >>>>
> > >>>> For caulking chainplates I have tried numerous products over the 38
> > >>> years
> > >>>> we have owned the boat...my current favorite is 3M4000 UV.
> > >>>>
> > >>>>
> > >>>> Mike Lehman
> > >>>>
> > >>>> ~~/)~/)~~
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> On Thu, Feb 4, 2016 at 2:56 PM -0800, "Stephen Gwyn via
> Public-List" <
> > >>>> public-list at lists.alberg30.org> wrote:
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> So what are people's favourite sealant? I've been using
> > >>>> BoatLife polysulfide sealant. Polyurethane (3M5200 and Sikaflex)
> > >>>> is too permanent. Silicone is permanent enough and once you
> > >>>> use it, nothing will stick to where it has been.
> > >>>>
> > >>>> I was reading a british sailing, which recommended a butyl sealant
> > >>>> which stayed sticky indefinitely, meaning that when the seal flexed
> > >>>> and split, it would just seal itself again.
> > >>>>
> > >>>> Thoughts?
> > >>>>
> > >>>> SG
> > >>>>
> > >>>> _______________________________________________
> > >>>> These businesses support your Association:
> > >>>> http://www.alberg30.org/store/A30supporters.html
> > >>>> Please support them.
> > >>>> _______________________________________________
> > >>>> Public-List mailing list
> > >>>> Public-List at lists.alberg30.org
> > >>>> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> > >>>> _______________________________________________
> > >>>> These businesses support your Association:
> > >>>> http://www.alberg30.org/store/A30supporters.html
> > >>>> Please support them.
> > >>>> _______________________________________________
> > >>>> Public-List mailing list
> > >>>> Public-List at lists.alberg30.org
> > >>>> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> > >>>>
> > >>> _______________________________________________
> > >>> These businesses support your Association:
> > >>> http://www.alberg30.org/store/A30supporters.html
> > >>> Please support them.
> > >>> _______________________________________________
> > >>> Public-List mailing list
> > >>> Public-List at lists.alberg30.org
> > >>> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> > >>>
> > >>
> > >>
> > >>
> > >> --
> > >> Jonathan M Bresler
> > >> Alberg 30 #262
> > >> Annapolis/Eastport MD
> > >>
> > >
> > >
> >
> >
> >
>
>
> --
> Jonathan M Bresler
> Alberg 30 #262
> Annapolis/Eastport MD
>
>
> ------------------------------
>
> Message: 2
> Date: Fri, 05 Feb 2016 09:44:09 -0500
> From: Gordon Laco via Public-List <public-list at lists.alberg30.org>
> To: Jonathan Bresler <262alberg30 at gmail.com>
> Cc: Alberg 30 Public List -- open to all
> <public-list at lists.alberg30.org>
> Subject: Re: [Public-List] Bulkheads
> Message-ID: <D2DA1F69.27CB8%mainstay at csolve.net>
> Content-Type: text/plain; charset="ISO-8859-1"
>
> Thanks to you too Wes... I was unsure which of the plates to order...
>
> Gord #426 Surprise
>
>
> On 2016-02-05, 9:33 AM, "Jonathan Bresler" <262alberg30 at gmail.com> wrote:
>
> > Gordon,?
> >
> > Thank you, but credit should go to Wes Gardner.? Wes has mentioned
> > the Schaefer chainplate covers and in doing so seems to have convinced
> > me to add them. ? Noodling the idea that 7 pieces of G-10 3" by 2"?
> > (covers are 2-1/2" x 1-9/32" per Schaefer webpage ?) expoxied to the
> deck,?
> > rounded corners, filleted G-10 deck joint, with Schaefers on screwed
> down?
> > on top might be just the thing that the well-dressed Alberg 30 will be
> > wearing?
> > this season.
> >
> > Jonathan
> >
> > On Fri, Feb 5, 2016 at 9:26 AM, Gordon Laco <mainstay at csolve.net> wrote:
> >> Thank you for that recommendation Jonathan,? I'm going to fit them to my
> >> plates this spring.
> >>
> >> Gord #426 Surprise
> >>
> >>
> >> On 2016-02-05, 9:23 AM, "Jonathan Bresler via Public-List"
> >> <public-list at lists.alberg30.org> wrote:
> >>
> >>> > Thinking about chainplate covers.
> >>> > Schaefer covers have been mentioned a few times in the thread.
> >>> > Schaefer appears to have covers for 1-1/4"x1/8" chainplates
> (84-88/84-78)
> >>> > and covers for 1-1/2"x1/4" chainplates (84-90/84-80) as well as
> smaller
> >>> and
> >>> > larger
> >>> > chainplates.? Our chainplates are 1-1/4"x3/16", if I measured and
> noted
> >>> the
> >>> > sizes correctly.
> >>> >
> >>> > Guessing that folks are using the? covers for 1-1/2"x1/4" chainplates
> >>> > (84-90/84-80) ?
> >>> >
> >>> > Jonathan
> >>> >
> >>> > On Fri, Feb 5, 2016 at 9:20 AM, Jonathan Bresler <
> 262alberg30 at gmail.com>
> >>> > wrote:
> >>> >
> >>>> >> Backing up a moment, Don mentioned:
> >>>> >>
> >>>> >> "The backstay chainplate offers a different problem. There is a
> moment
> of
> >>>> >> force there because of the design. The top bolt is aft of all the
> the
> >>>> >> others because *the chainplate is angled aft at the top*. Thus if
> the
> >>>> top
> >>>> >> bolt fails from a bad knee, then the leverage is increased on the
> lower
> >>>> >> bolts and shear is more likely. As the chainplate revolves around
> the
> >>>> >> bottom bolt as the others shear, and it holds because there is no
> longer
> a
> >>>> >> moment to shear it, once straight with the stay, there is a major
> >>>> overload
> >>>> >> in a straight pull to cause the shear then, and there is no deck
> that
> >>>> can
> >>>> >> hold that so the backstay flies free."
> >>>> >>
> >>>> >> Needless to say, this scared the "stuffing" out of me particularly
> as it
> >>>> >> does not match what I remember seeing in #262.....hurriedly went
> to the
> >>>> >> boat last night to check.? ?To my relief, the backstay chainplate
> is
> >>>> >> installed through the deck and bolted to the knee at an angle in
> line
> >>>> with
> >>>> >> the backstay.
> >>>> >>
> >>>> >> Did Whitby change the installation of the backstay chainplate at
> some
> >>>> >> point ?
> >>>> >>
> >>>> >> Jonathan
> >>>> >>
> >>>> >> P.S.? backstay chainplate is 1-1/4" x 3/16" x 6" (below deck) with
> 5/16"
> >>>> >> bolts, 1/2" pin in the chainplate and 1/4" 1x19 stainless steel
> wire
> >>>> >> backstay.
> >>>> >>
> >>>> >> On Fri, Feb 5, 2016 at 8:16 AM, Jason S via Public-List <
> >>>> >> public-list at lists.alberg30.org> wrote:
> >>>> >>
> >>>>> >>> I also have had good luck with 3M4000 series UV..Very good seal
> and no
> >>>>> >>> cracking or seperation from chainplates or deck areas after 2
> seasons.
> >>>>> >>>
> >>>>> >>> Jason
> >>>>> >>> #457
> >>>>> >>> www.svsalacia.blogspot.com <http://www.svsalacia.blogspot.com>
> >>>>> >>> On Feb 5, 2016 8:05 AM, "via Public-List"
> >>>>> <public-list at lists.alberg30.org
> >>>>>> >>>>
> >>>>> >>> wrote:
> >>>>> >>>
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>> For caulking chainplates I have tried numerous products over
> the 38
> >>>>> >>> years
> >>>>>> >>>> we have owned the boat...my current favorite is 3M4000 UV.
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>> Mike Lehman
> >>>>>> >>>>
> >>>>>> >>>> ~~/)~/)~~
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>> On Thu, Feb 4, 2016 at 2:56 PM -0800, "Stephen Gwyn via
> Public-List"
> <
> >>>>>> >>>> public-list at lists.alberg30.org> wrote:
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>>
> >>>>>> >>>> So what are people's favourite sealant? I've been using
> >>>>>> >>>> BoatLife polysulfide sealant. Polyurethane? (3M5200 and
> Sikaflex)
> >>>>>> >>>> is too permanent. Silicone is permanent enough and once you
> >>>>>> >>>> use it, nothing will stick to where it has been.
> >>>>>> >>>>
> >>>>>> >>>> I was reading a british sailing, which recommended a butyl
> sealant
> >>>>>> >>>> which stayed sticky indefinitely, meaning that when the seal
> flexed
> >>>>>> >>>> and split, it would just seal itself again.
> >>>>>> >>>>
> >>>>>> >>>> Thoughts?
> >>>>>> >>>>
> >>>>>> >>>> SG
> >>>>>> >>>>
> >>>>>> >>>> _______________________________________________
> >>>>>> >>>> These businesses support your Association:
> >>>>>> >>>> http://www.alberg30.org/store/A30supporters.html
> >>>>>> >>>> Please support them.
> >>>>>> >>>> _______________________________________________
> >>>>>> >>>> Public-List mailing list
> >>>>>> >>>> Public-List at lists.alberg30.org
> >>>>>> >>>>
> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> >>>>>> >>>> _______________________________________________
> >>>>>> >>>> These businesses support your Association:
> >>>>>> >>>> http://www.alberg30.org/store/A30supporters.html
> >>>>>> >>>> Please support them.
> >>>>>> >>>> _______________________________________________
> >>>>>> >>>> Public-List mailing list
> >>>>>> >>>> Public-List at lists.alberg30.org
> >>>>>> >>>>
> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> >>>>>> >>>>
> >>>>> >>> _______________________________________________
> >>>>> >>> These businesses support your Association:
> >>>>> >>> http://www.alberg30.org/store/A30supporters.html
> >>>>> >>> Please support them.
> >>>>> >>> _______________________________________________
> >>>>> >>> Public-List mailing list
> >>>>> >>> Public-List at lists.alberg30.org
> >>>>> >>> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> >>>>> >>>
> >>>> >>
> >>>> >>
> >>>> >>
> >>>> >> --
> >>>> >> Jonathan M Bresler
> >>>> >> Alberg 30 #262
> >>>> >> Annapolis/Eastport MD
> >>>> >>
> >>> >
> >>> >
> >>
> >>
> >
> >
>
>
>
> ------------------------------
>
> Message: 3
> Date: Fri, 5 Feb 2016 10:22:07 -0500
> From: Wes Gardner via Public-List <public-list at lists.alberg30.org>
> To: Alberg 30 Public List -- open to all
> <public-list at lists.alberg30.org>
> Subject: Re: [Public-List] Bulkheads
> Message-ID:
> <CAFWpyHzz-Gosqw5ywy5Ev2M1LTE0CTkqZb4=YvvCTMWnCe1k=
> Q at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Hi All,
>
> Anyone tried this stuff for clean-up? I've got some old SillyCone that a
> PO goobered around on deck - I'm going to order and try - the info says it
> also breaks the bond of 5200...hmmmm
>
> http://www.debondcorporation.com/
>
> Wes #196 Griffin's Faith
>
> On Fri, Feb 5, 2016 at 9:44 AM, Gordon Laco via Public-List <
> public-list at lists.alberg30.org> wrote:
>
> > Thanks to you too Wes... I was unsure which of the plates to order...
> >
> > Gord #426 Surprise
> >
> >
> > On 2016-02-05, 9:33 AM, "Jonathan Bresler" <262alberg30 at gmail.com>
> wrote:
> >
> > > Gordon,
> > >
> > > Thank you, but credit should go to Wes Gardner. Wes has mentioned
> > > the Schaefer chainplate covers and in doing so seems to have convinced
> > > me to add them. Noodling the idea that 7 pieces of G-10 3" by 2"
> > > (covers are 2-1/2" x 1-9/32" per Schaefer webpage ) expoxied to the
> > deck,
> > > rounded corners, filleted G-10 deck joint, with Schaefers on screwed
> > down
> > > on top might be just the thing that the well-dressed Alberg 30 will be
> > > wearing
> > > this season.
> > >
> > > Jonathan
> > >
> > > On Fri, Feb 5, 2016 at 9:26 AM, Gordon Laco <mainstay at csolve.net>
> wrote:
> > >> Thank you for that recommendation Jonathan, I'm going to fit them to
> my
> > >> plates this spring.
> > >>
> > >> Gord #426 Surprise
> > >>
> > >>
> > >> On 2016-02-05, 9:23 AM, "Jonathan Bresler via Public-List"
> > >> <public-list at lists.alberg30.org> wrote:
> > >>
> > >>> > Thinking about chainplate covers.
> > >>> > Schaefer covers have been mentioned a few times in the thread.
> > >>> > Schaefer appears to have covers for 1-1/4"x1/8" chainplates
> > (84-88/84-78)
> > >>> > and covers for 1-1/2"x1/4" chainplates (84-90/84-80) as well as
> > smaller
> > >>> and
> > >>> > larger
> > >>> > chainplates. Our chainplates are 1-1/4"x3/16", if I measured and
> > noted
> > >>> the
> > >>> > sizes correctly.
> > >>> >
> > >>> > Guessing that folks are using the covers for 1-1/2"x1/4"
> chainplates
> > >>> > (84-90/84-80) ?
> > >>> >
> > >>> > Jonathan
> > >>> >
> > >>> > On Fri, Feb 5, 2016 at 9:20 AM, Jonathan Bresler <
> > 262alberg30 at gmail.com>
> > >>> > wrote:
> > >>> >
> > >>>> >> Backing up a moment, Don mentioned:
> > >>>> >>
> > >>>> >> "The backstay chainplate offers a different problem. There is a
> > moment
> > of
> > >>>> >> force there because of the design. The top bolt is aft of all the
> > the
> > >>>> >> others because *the chainplate is angled aft at the top*. Thus if
> > the
> > >>>> top
> > >>>> >> bolt fails from a bad knee, then the leverage is increased on the
> > lower
> > >>>> >> bolts and shear is more likely. As the chainplate revolves around
> > the
> > >>>> >> bottom bolt as the others shear, and it holds because there is no
> > longer
> > a
> > >>>> >> moment to shear it, once straight with the stay, there is a major
> > >>>> overload
> > >>>> >> in a straight pull to cause the shear then, and there is no deck
> > that
> > >>>> can
> > >>>> >> hold that so the backstay flies free."
> > >>>> >>
> > >>>> >> Needless to say, this scared the "stuffing" out of me
> particularly
> > as it
> > >>>> >> does not match what I remember seeing in #262.....hurriedly went
> > to the
> > >>>> >> boat last night to check. To my relief, the backstay chainplate
> > is
> > >>>> >> installed through the deck and bolted to the knee at an angle in
> > line
> > >>>> with
> > >>>> >> the backstay.
> > >>>> >>
> > >>>> >> Did Whitby change the installation of the backstay chainplate at
> > some
> > >>>> >> point ?
> > >>>> >>
> > >>>> >> Jonathan
> > >>>> >>
> > >>>> >> P.S. backstay chainplate is 1-1/4" x 3/16" x 6" (below deck)
> with
> > 5/16"
> > >>>> >> bolts, 1/2" pin in the chainplate and 1/4" 1x19 stainless steel
> > wire
> > >>>> >> backstay.
> > >>>> >>
> > >>>> >> On Fri, Feb 5, 2016 at 8:16 AM, Jason S via Public-List <
> > >>>> >> public-list at lists.alberg30.org> wrote:
> > >>>> >>
> > >>>>> >>> I also have had good luck with 3M4000 series UV..Very good seal
> > and no
> > >>>>> >>> cracking or seperation from chainplates or deck areas after 2
> > seasons.
> > >>>>> >>>
> > >>>>> >>> Jason
> > >>>>> >>> #457
> > >>>>> >>> www.svsalacia.blogspot.com <http://www.svsalacia.blogspot.com>
> > >>>>> >>> On Feb 5, 2016 8:05 AM, "via Public-List"
> > >>>>> <public-list at lists.alberg30.org
> > >>>>>> >>>>
> > >>>>> >>> wrote:
> > >>>>> >>>
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>> For caulking chainplates I have tried numerous products over
> > the 38
> > >>>>> >>> years
> > >>>>>> >>>> we have owned the boat...my current favorite is 3M4000 UV.
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>> Mike Lehman
> > >>>>>> >>>>
> > >>>>>> >>>> ~~/)~/)~~
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>> On Thu, Feb 4, 2016 at 2:56 PM -0800, "Stephen Gwyn via
> > Public-List"
> > <
> > >>>>>> >>>> public-list at lists.alberg30.org> wrote:
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>>
> > >>>>>> >>>> So what are people's favourite sealant? I've been using
> > >>>>>> >>>> BoatLife polysulfide sealant. Polyurethane (3M5200 and
> > Sikaflex)
> > >>>>>> >>>> is too permanent. Silicone is permanent enough and once you
> > >>>>>> >>>> use it, nothing will stick to where it has been.
> > >>>>>> >>>>
> > >>>>>> >>>> I was reading a british sailing, which recommended a butyl
> > sealant
> > >>>>>> >>>> which stayed sticky indefinitely, meaning that when the seal
> > flexed
> > >>>>>> >>>> and split, it would just seal itself again.
> > >>>>>> >>>>
> > >>>>>> >>>> Thoughts?
> > >>>>>> >>>>
> > >>>>>> >>>> SG
> > >>>>>> >>>>
> > >>>>>> >>>> _______________________________________________
> > >>>>>> >>>> These businesses support your Association:
> > >>>>>> >>>> http://www.alberg30.org/store/A30supporters.html
> > >>>>>> >>>> Please support them.
> > >>>>>> >>>> _______________________________________________
> > >>>>>> >>>> Public-List mailing list
> > >>>>>> >>>> Public-List at lists.alberg30.org
> > >>>>>> >>>>
> > http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> > >>>>>> >>>> _______________________________________________
> > >>>>>> >>>> These businesses support your Association:
> > >>>>>> >>>> http://www.alberg30.org/store/A30supporters.html
> > >>>>>> >>>> Please support them.
> > >>>>>> >>>> _______________________________________________
> > >>>>>> >>>> Public-List mailing list
> > >>>>>> >>>> Public-List at lists.alberg30.org
> > >>>>>> >>>>
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> > >>>> >>
> > >>>> >> --
> > >>>> >> Jonathan M Bresler
> > >>>> >> Alberg 30 #262
> > >>>> >> Annapolis/Eastport MD
> > >>>> >>
> > >>> >
> > >>> >
> > >>
> > >>
> > >
> > >
> >
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>
> ------------------------------
>
> Message: 4
> Date: Fri, 5 Feb 2016 11:41:01 -0500
> From: Don Campbell via Public-List <public-list at lists.alberg30.org>
> To: "Jonathan Bresler" <262alberg30 at gmail.com>, "Alberg 30 Public List
> -- open to all" <public-list at lists.alberg30.org>
> Subject: Re: [Public-List] Bulkheads
> Message-ID: <D5E9183F321A4722A938EC2C3B3B21EB at UserPC>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> Hi Jonathan:
> I just went out to the barn and checked and the back stay chainplate on
> the AL22 is reversed with the moment as built by Allan Nye. At the same
> time
> I checked the knee under the deck and suggest that everyone check the
> tabbing on that because the top end of the knee on 528 seems non-existent.
> The knee is much wider than the chainplate so the chainplate is not aligned
> with the longitudinal lines of the knee. That will spread the load over
> more
> than just one line on the knee.
> Don
>
> -----Original Message-----
> From: Jonathan Bresler via Public-List
> Sent: Friday, February 05, 2016 9:20 AM
> To: Jason S ; Alberg 30 Public List -- open to all
> Subject: Re: [Public-List] Bulkheads
>
> Backing up a moment, Don mentioned:
>
> "The backstay chainplate offers a different problem. There is a moment of
> force there because of the design. The top bolt is aft of all the the
> others because *the chainplate is angled aft at the top*. Thus if the top
> bolt fails from a bad knee, then the leverage is increased on the lower
> bolts and shear is more likely. As the chainplate revolves around the
> bottom bolt as the others shear, and it holds because there is no longer a
> moment to shear it, once straight with the stay, there is a major overload
> in a straight pull to cause the shear then, and there is no deck that can
> hold that so the backstay flies free."
>
> Needless to say, this scared the "stuffing" out of me particularly as it
> does not match what I remember seeing in #262.....hurriedly went to the
> boat last night to check. To my relief, the backstay chainplate is
> installed through the deck and bolted to the knee at an angle in line with
> the backstay.
>
> Did Whitby change the installation of the backstay chainplate at some point
> ?
>
> Jonathan
>
> P.S. backstay chainplate is 1-1/4" x 3/16" x 6" (below deck) with 5/16"
> bolts, 1/2" pin in the chainplate and 1/4" 1x19 stainless steel wire
> backstay.
>
> On Fri, Feb 5, 2016 at 8:16 AM, Jason S via Public-List <
> public-list at lists.alberg30.org> wrote:
>
> > I also have had good luck with 3M4000 series UV..Very good seal and no
> > cracking or seperation from chainplates or deck areas after 2 seasons.
> >
> > Jason
> > #457
> > www.svsalacia.blogspot.com
> > On Feb 5, 2016 8:05 AM, "via Public-List" <
> public-list at lists.alberg30.org>
> > wrote:
> >
> > >
> > >
> > > For caulking chainplates I have tried numerous products over the 38
> > > years
> > > we have owned the boat...my current favorite is 3M4000 UV.
> > >
> > >
> > > Mike Lehman
> > >
> > > ~~/)~/)~~
> > >
> > >
> > >
> > >
> > >
> > >
> > > On Thu, Feb 4, 2016 at 2:56 PM -0800, "Stephen Gwyn via Public-List" <
> > > public-list at lists.alberg30.org> wrote:
> > >
> > >
> > >
> > >
> > >
> > >
> > > So what are people's favourite sealant? I've been using
> > > BoatLife polysulfide sealant. Polyurethane (3M5200 and Sikaflex)
> > > is too permanent. Silicone is permanent enough and once you
> > > use it, nothing will stick to where it has been.
> > >
> > > I was reading a british sailing, which recommended a butyl sealant
> > > which stayed sticky indefinitely, meaning that when the seal flexed
> > > and split, it would just seal itself again.
> > >
> > > Thoughts?
> > >
> > > SG
> > >
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>
>
>
> --
> Jonathan M Bresler
> Alberg 30 #262
> Annapolis/Eastport MD
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>
>
> ------------------------------
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> Subject: Digest Footer
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> ------------------------------
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> End of Public-List Digest, Vol 3192, Issue 2
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