[Public-List] Bulkheads

[Chip Dance via Public-List]

so are the dimples on the outside of the hull, or the deck?

On Sun, Feb 7, 2016 at 2:54 PM, George Dinwiddie via Public-List <
public-list at lists.alberg30.org> wrote:

> Not that I have.
>
>
> On 2/7/16 4:27 PM, Wes Gardner via Public-List wrote:
>
>> Are there any photos of down below?
>>
>> Sent from my iPad
>>
>> On Feb 7, 2016, at 1:21 PM, George Dinwiddie via Public-List <
>>> public-list at lists.alberg30.org> wrote:
>>>
>>> Make that http://alberg30.org/gallery/main.php?g2_itemId=912
>>>
>>> I'd forgotten the 2013 photos were in the Gallery, and re-uploaded them
>>> to a web page. I'm going to delete the second copy.
>>>
>>> - George
>>>
>>> On 2/5/16 10:50 PM, George Dinwiddie via Public-List wrote:
>>>> Michael,
>>>>
>>>> On 2/5/16 8:01 PM, Michael Connolly via Public-List wrote:
>>>>> All the documented A-30 rig/mast failures to date in normal sailing
>>>>> conditions have been from four components, 1) rotten bulkheads which
>>>>> in turn cause the chain plates to rip out and bolts to fail. 2) the
>>>>> threads in the bronze turnbuckle bodies failing,  3) failures of the
>>>>> original copper Nicropress swages or other terminals on the wire and
>>>>> 4) broken spreaders.  George and Mike L if there are others please
>>>>> chime in.  It would be good for all of us to know all the known
>>>>> examples of how A-30 rigs have failed. To my knowledge rigs have not
>>>>> failed because of broken chain plates, stem head fittings, back stay
>>>>> fittings or masthead/tang fittings. Even though there is a need to
>>>>> inspect chain plates for SS crevice corrosion cracking, I have not
>>>>> heard of a rig failure on an A-30 due to strictly chain plate
>>>>> failure.
>>>>>
>>>>
>>>> If you look at
>>>> http://alberg30.org/pictures/CanAm2013/20130921_123632-DSC_0876.jpg
>>>> you'll see that there are no bolts in the chainplate. This indicates
>>>> that the bolts failed, rather than the bulkhead. That's why it's
>>>> important to upgrade from the original 1/4" bolts.
>>>>
>>>>   - George
>>>>
>>>
>>> --
>>> ----------------------------------------------------------------------
>>>   When I remember bygone days                         George Dinwiddie
>>>   I think how evening follows morn;            gdinwiddie at alberg30.org
>>>   So many I loved were not yet dead,           http://www.Alberg30.org
>>>   So many I love were not yet born.                          also see:
>>>                'The Middle' by Ogden Nash     http://idiacomputing.com
>>> ----------------------------------------------------------------------
>>>
>>>
>>>
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> --
>  ----------------------------------------------------------------------
>   When I remember bygone days                         George Dinwiddie
>   I think how evening follows morn;            gdinwiddie at alberg30.org
>   So many I loved were not yet dead,           http://www.Alberg30.org
>   So many I love were not yet born.                          also see:
>                'The Middle' by Ogden Nash     http://idiacomputing.com
>  ----------------------------------------------------------------------
>
>
>
> _______________________________________________
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