31591Re: [bolger] AS-29 ballast
- Oct 3, 2003--- Frank San Miguel wrote:
>I have never read the building key,
> I couldn't find the note about foam
> and buoyancy. Is it on the
> building key or the drawings?
[and would love to read it!]. There
is a note on the drawing in the
chapter of the book BWAOM, but you
need a magnifying glass to read it.
"Total Foam Buoyancy 50 CF = 3,000 lbs.
Positive Buoyancy of wood structure about
3,000 lbs.: Boat will be stable with about
2 ft freeboard fully flooded."
The 2,000 of lead, I imagine, could be
cast into manhandle-able pieces. One
piece, 1 1/2" by 3 1/2" by 3' 4 1/2" would
weight about 100 lbs... ten per side.
> 2000lbs lead. The total boatI rough numbers, 5,300 lbs of wood is
> is 7300lbs displacement.
about 1,800 board feet costing perhaps
$3,600 premium grade, or half that if
shop grade $1,800.
How much epoxy? 30 gallons? $995?
Plus, about the same labor as a Superbrick.
$4,000 for hull, $2,000 for sails, $2,000 for
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