Phi Golden Ratio Boat Designs

[J.L.-FrushaSubscriber]

Concensus seems to recommend hot-dip galvanized rebar, which is less prone to rusr/corrosion. Not sure where to get it. 1″ galvanized chicken wire is the preffered mesh. Planning any thru-hull openings (propellor-shaft, portals, sump outlets, etc., is part of the design and an epoxy coating seems to help with adhesion of cement in those places.

Frame is usually galvanized pipe; rebar, inside and out; then about 5 layers of chicken wire, inside and out.

Hand lay-up, or shor-crete are the 2 main ways.that seem to work best. Working inside a shop/under cover, helps, and access to burlap and clean water are a must. Curing is critical.

What I know, I know from study. Connect with me, off-list, and I’ll see what I have and may be able to send some links, later on.

Later,

J.L.F.

Never be afraid to try something new…

Remember, amateurs built the ark, professionals built the Titanic.

[elspruSubscriber]

was watching tv series One Piece,

and the main characters got a Caravel.

large ferrocement boat estimations

the One Piece main pirates have a crew with 5 people already, and they might need more.

which is more than fits in my 4*7*11 boat, only fitting 4, so I might need something bigger.

Also the Posedien project is for 50 people in a seastead.

It would also be nice to fit a whole atom tribe on a single island.

large ferrocement boat estimations

I calculated the amount of people several other golden-phi fibonacci boats would fit

3m*4m*7m at 28m^3 fits 1.8 or 2 residents with hull thickness at 3cm surface volume be 2.44m^3 weight 5.85 megagrams

4m*7m*11m at 102m^3 fits 6.8 or 7 residents with hull thickness at 4cm surface volume be 7.9m^3 weight 18 megagrams

7m*11m*18m at 462m^3 fits 30.8 or 31 residents with hull thickness at 7cm surface volume be 37.3m^3 weight 89.5 megagrams

11m*18m*29m at 1914m^3 fits 127.6 or 128 residents with hull thickness at 11cm surface volume be 152m^3 weight 364 megagrams

18m*29m*47m at 8178m^3 fits 545.2 or 545 residents with hull thickness 18cm surface volume be 654m^3 weight 1570 megagrams

18x29x47 is the largest size recomended, as fits an atom tribe and a half

large ferrocement boat estimations

I calculated the price of ferrocement based on how much it cost me to get stuff for my dinghy.

I lost the original recipts for most of the stuff but here are my somewhat idealized estimates,

$10 for wire, $30 for cement/sand, $40 for mesh $70 for rebar totalling about $110,

I figured this was pretty similar to how the boat weighs about 90kg estimated,

though there is extra supplies left, so figure it’s enough for 110kg at least.

anyhow that’s about a $1 per kilo.

so that’s $1000 per megagram.

can fit several atom tribes over 500 people for $1,600,000 in hull materials by getting a 18x29x47 phi boat

can fit a very large atom tribe of 128 people for $364,000. in hull materials by getting a 11x18x29 phi boat

one that can easily pass the Posedian prize 60 residents for $180,000. in hull materials by getting two 7x11x18 phi boat

one that can house a large one piece pirate crew 31 residents, $90,000 in hull materials 7*11*18 phi boat

one that can house the current one-piece pirates crew, 7 residents for $18,000 in hull materials for a 4*7*11 phi boat

for a single person or a couple, with 1.8 or 2 residents for $6,000 in hull materials for a 3*4*7 phi boat

large ferrocement boat estimations,

with slide rule, soroban and qalc.

calm aware desire choice love express intuit move

[elspruSubscriber]

So I’ve made a spreadsheet of the Phi Boat sizes, properties and costs

http://www.scribd.com/doc/66705441/Phi-Seed-Boats

So far it seems like I have enough money to make size 2, which I’ll start next year.

But also it seems that I’ll be able to drydock my current dinghy once it gets to lake-ontario on styrofoam floating trees.

calm aware desire choice love express intuit move

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