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  #2131  
Old 03-21-2012
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Re: Interesting Sailboats

When things go really wrong

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  #2132  
Old 03-21-2012
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Re: Interesting Sailboats

One of the most interesting guys on the next vendee Globe is Alessandro di Benedetto. He passed directly from a Miniclass racer to an Open 60. That's like going from a Kart to a F1.

Alessandro has completed recently a circumnavigation solo and nonstop with a mini class racer and not an easy one. He lost its mast at midway, jury rigged and without outside help finished the circumnavigation under jury rig as if it was a minor problem. A resourceful gay to say the least and a hell of a sailor.




Compare both boats and look at the happiness in his face just looking at his new big toy:

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  #2133  
Old 03-21-2012
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Re: Interesting Sailboats

An on the other side of the world, at least for me, guys had a great time in an incredibly beautiful scenery on the “Bay regatta”, cruisers ad racers alike:



Last edited by PCP; 01-13-2014 at 07:25 AM.
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  #2134  
Old 03-21-2012
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Re: Interesting Sailboats

And on this race hecan see some very interesting boats that don't appear much if at all on these part of the world. Look at the Firefly 850 a One Design fast cat for coastal racing or weekend cruising, a Mark Pescott design:

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Re: Interesting Sailboats

My post is a bit of topic, but how about carbon fibre hull to act as a battery bank?

BBC News - BAE provides details of 'structural battery' technology
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  #2136  
Old 03-21-2012
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Re: Interesting Sailboats

Quote:
Originally Posted by G1000 View Post
My post is a bit of topic, but how about carbon fibre hull to act as a battery bank?

BBC News - BAE provides details of 'structural battery' technology
"The beauty of what we've got is that, when it's fully developed, a company will be able to go out and buy what is a standard carbon-composite material, lay out the shape, put it through the curing process and have a structural battery," ...

In order to achieve this BAE said it had "merged battery chemistries into composite materials".

"You take the nickel base chemistries and there are ways you can integrate that into the carbon fibre," . …

"The goal, and we are still working towards it, is to have a material that isn't significantly more expensive than carbon fiber,"
….
However, the power density of the batteries, the energy they can store for a given weight, is currently quite low - about a third that of a car battery….

"You need a battery chemistry that will last for many decades, you basically can't just take a wing off and throw it away as you would a mobile phone [battery]," Mr Penney said.


BBC News - BAE provides details of 'structural battery' technology

This is just awesome and I guess that the reporter did not understood the potential of the new technology….quite low? The guy is crazy they talk about 1/3 of the energy that can be stored for the same weight on a car battery, that is huge. If a hull of a 36ft boat is entirely made with this kind of composite it means we will have a 3 to 4 ton battery. That means the capacity of a wet lead battery of 1ton on a boat.

I want one of those, one boat that has a huge batery that can work for decades that weights nothing and that after fully charged will permit the use of an electric engine for days.

I guess that will solve the battery problem on electric engines for sailing boats.

Even compared with lithium batteries the hull of a 36ft boat will have the capacity of a huge battery, a 400kg lithium battery is a lot. And that is now; I bet they will manage to increase that efficiency at least for the double in the next years.

I guess that the solution for the autonomy for electric sailboats is found. What they really not found yet is that technology has an enormous potential on the boat industry.

Now they only need to create sails that work as solar panels to have a perfect set-up for a really efficient sail boat. The technology for that is not far.

Thanks for posting

Regards

Paulo

Last edited by PCP; 03-21-2012 at 09:42 PM.
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  #2137  
Old 03-21-2012
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Re: Interesting Sailboats

With the hull as a battery I wouldn't give the underwater metal (prop, shaft, through hulls) a long life - a few weeks at most. And forget about a marina stay.
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  #2138  
Old 03-22-2012
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Re: Interesting Sailboats

Quote:
Originally Posted by mitiempo View Post
With the hull as a battery I wouldn't give the underwater metal (prop, shaft, through hulls) a long life - a few weeks at most. And forget about a marina stay.
Maybe you are right but for guys that are dealing with so advanced technology I don't think that would be a problem. It would only be needed that the outside skin of the hull would be isolated. But I really don’t know enough about that technology or about the subject to speculate

Regards

Paulo
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Re: Interesting Sailboats

On the Volvo Ocean race bad luck for Sanya. When they were leading for the first time…they broke one of the rudders and on the hard conditions of the Southern ocean the Solo sailors of Groupama comes out with flying colors overtaking everybody and leading the race.

I mean the Groupama is not solo sailed but the among their crew there is a huge percentage of guys that have a huge experience of solo sailing and that means used to very though circumstances and capable to do anything in a boat from steering to navigation to regulate sails.

From the beginning I was very interested in seeing if the finer crew specialization on other boats would turn out to be an advantage against the superior polyvalence of Groupama crew. It seems that at the beginning that played against them but now that they become better, the polyvalence and superior individual global ability seems to turn things in their favor.

Great racing out there.

Volvo Ocean Race 2011-2012 | Race Data Center

They are heading for bad seas and big winds. I bet we will have great footage tomorrow.
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  #2140  
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Re: Interesting Sailboats

Anyone wants to spent next 30 min speechless? Go to Acciona Sailing's photo stream
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