[Public-List] corroded rudder

Stephen Gwyn stephen.gwyn at gmail.com
Mon Mar 15 11:48:37 PDT 2021


Something like this:

https://alberg30maintenance.wordpress.com/category/hardware/rudder/

In particular, this picture:
https://alberg30maintenance.files.wordpress.com/2019/03/20190317_094031.jpg
?
Stephen


On 2021-03-15 11:43 a.m., David Scherrer wrote:
> Stephen,
> Im in Bellingham (funny enough, North of you)
> Yes don’t try and pull the rudder post…..Once out on dry dock, simply angle the rudder as sharp as you can and follow how the post come down the leading edge. You will need to sand off some paint. The heads of the screws will become apparent.. I will try and send a graphic.
> D
>
>> On Mar 15, 2021, at 9:17 AM, Stephen Gwyn <stephen.gwyn at gmail.com> wrote:
>>
>> Hi all,
>>
>> Thanks for people's input. This would be a lot easier if we were all standing around the rudder in person.
>>
>> Michael Connolly:
>> So if the diameter of the shaft was originally 1", and it's only 0.6" now, then the cross section is 0.6 squared = 0.36 of
>> the original, hence my figure of 36%. If instead the original diameter was only 3/4" inches, then the remaining strength is
>> (.6/.75)^2  = 64%, still not great, but much more acceptable. However all the bits of brass I can see are 1", which
>> is also the diameter specified here:
>> http://www.alberg30.org/maintenance/Steering/RudderPost/rudderstock.png
>>
>> Rolph Townshend
>> The picture you sent is stripped by the list. Only the people who were directly cc-ed got it. Could you send
>> it to me: stephen.gwyn at gmail.com
>>
>> David Sherrer:
>> I'm having difficulty visuallizing this set of screws you mention which would allow removing
>> the rudder without pulling out the rudder post.
>> Can you mark up this picture? The black line shows where I believe there is metal.
>> https://docs.google.com/presentation/d/1Ky6-0fM_gAQJuF_6HLCkT6DAGtF1at4OWv6uC1YvTTE/edit?usp=sharing
>> When you say you're in the North West, are you in BC or WA. I'm in Victoria.
>>
>> Thanks,
>>
>> Stephen



More information about the Public-List mailing list