[Public-List] Bulkheads

Fri Feb 5 06:44:09 PST 2016

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:
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>>>>>> >>>> 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
>>>> >>
>>> >
>>> >
>> 
>> 
> 
> 