[Public-List] Chainplates

[Gordon Laco via Public-List]

Have there been any failures of these bolts besides the one Yves Gelinas
experienced in the Southern Ocean?

Gord #426 Surprise
(just back from the 2015 Misery Trip, not quite Southern Ocean but a good
facsimile...we made it back OK, broke nothing, nobody got hurt... My wife is
annoyed with me for doing it... )


On 2015-11-01, 6:10 PM, "Wes Gardner via Public-List"
<public-list at lists.alberg30.org> wrote:

> My mistake! You know I kept looking at my chainplate bolts and in my mind
> thinking "yup, those were upgraded to 5/16" because they were new and
> shiny....seems when I put the 7/16 wrench on the head of one, I realized it's
> just a 1/4-20. Yeah, they are shoulder bolts (I believe I read that the
> originals were 1/4-20 but with thread the whole way), so they were replaced,
> but not upgraded to 5/16. Furthermore, they set the bolts with the nut on the
> chainplate end allowing the chainplate itself to bear on the threaded part of
> the bolt before the shoulder started....geez, at least turn the bolt around.
> My understanding is that most of these failure issues have been in shear,
> right?
> 
> And when I looked really close, the bolts for the uppers are stretched a
> little bit.....hmmm
> 
> I was going to bed the actual chainplate, where it contacts the knee, in 5200
> as it will never need to be removed from the boat again. However, I'm going to
> bed and seal the chainplate covers (mine has Shaefer cover plates) in 4200.
> 
> I'm also going to change out the backstay bolts as well.
> 
> Can anyone add any helpful hints or "gotchas" specific to the Alberg 30?
> 
> Wes
> _______________________________________________
> 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