[Alberg30] Notes on installing A-30 mast brace

[Daniel Sternglass]

"sousa, stephen" wrote:
> 
> Dan and the Alberg Team.
> 
> I received the plates yesterday  afternoon which will be installed in #114.
> Dan, I appreciate the suggestion of spacing which may be effected by heat
> and cold. During the installation process did anyone upgrade the bolt size,
> the original bolts seem very light for this application?

If you are referring to the bolts through the mast step, I left the
originals. The coutnerbore for them was too far into the brace, which I
beleive contributed to the delamination, but we did not touch those
bolts. Not sure what other bolts you might be referring to in that area.

--Dan S.
dans at stmktg.com


> 
> Stephen
> #114
> 
> -----Original Message-----
> From: Daniel Sternglass [mailto:dans at stmktg.com]
> Sent: Tuesday, May 01, 2001 8:53 AM
> To: public-list at alberg30.org
> Subject: [Alberg30] Notes on installing A-30 mast brace
> 
> dickdurk wrote:
> >
> > I'm in the process now of fitting the plates to the mainbeam...
> 
> One important detail about fitting is to make sure that there is about
> 1/8" clearance between the top of the brace and the roof, so thatthe
> deck will not get cracks in it when the beam is under maximum
> compression. I have heard of people who put the braces too close to the
> "ceiling" and ended up with small cracks inthe deck over time. We
> installed ours with the mast off (no load), so the gap is allthe more
> important under that condition.
> 
> Also, if you are jacking up the support, be sure to open up the cabin
> sole floor hatches and use a 4 x4 or other wood so you jack against the
> structual top of the keel. Do -not- jack against the floor, you risk
> damaging it.
> 
> --Dan S.
> dans at stmktg.com
> Watcher of the Skies, #201, 1966, Cayuga Lake, Ithaca, NY
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