[Public-List] Bulkheads

Wes Gardner via Public-List public-list at lists.alberg30.org
Sun Feb 7 13:27:02 PST 2016


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
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> 
> 
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