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Sacrificial hull panels for composting

A disposable panel that seals over the regular hull
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A boat that spends a lot of time in the ocean has to have it's hull coated with anti-fouling paint to keep sea life from growing on it. Of course no coating is perfect and life finds a way to attach itself and survive. This means that you are scrubbing your boat on a regular basis, with your latitude determining more or less often. In addition, the coatings have to be removed so that a new coat of anti-fouling paint can be applied. This is an awful job that is harmful to everyone involved. But there can be a better way.

Instead there should be thin wood panels with a non-poisonous coating that can be vacuum sealed to the hull. When attached they mold to the exact hull shape and protect the original hull, while only adding a small amount of weight. Of course they need to be scrubbed on a regular basis, but they keep the sea life on the outer skin rather than poking through to the fiberglass underside. Then, on a bi-yearly or yearly basis, they are removed, ground up with all the creatures that attached themselves to them, and fed to the compost/fertilizer heap. These animals would add all sorts of nutrients to the composting and keep a bunch of toxic chemicals from polluting our waterways. Not to mention the number of boatyard workers that end up dealing with the dust from boats being sanded when they are on the hard. After all, the person sanding is wearing all the PPE but the anti-fouling dust ends up in the dirt of the yard. Not good for anyone.

Now these are not made for racing boats or anyone worrying about weight penalties, but for trawlers and cruisers. Or even self-sufficient seasteaders that are plying the open seas. These panels could use a fast growing wood, or a grass like bamboo, so that the wood can be produced in an ecologically sensitive manner and be ready for each new season of paneling.

unhelpful_fool, Jun 25 2019

Turns out the boat enthusiasts were ahead of me https://www.yachtin...yacht-wrapping.html
[bs0u0155, Jun 26 2019]

[link]






       This could work - wouldn't more stuff stick to the wooden panels though (and thus produce a concomitant increase in drag) than would stick to the anti-fouling paint?
hippo, Jun 26 2019
  

       Soil salinity?
pertinax, Jun 26 2019
  

       Quail quality?
hippo, Jun 26 2019
  

       Duck down ?
8th of 7, Jun 26 2019
  

       Wet gybe?   

       Nice, all we have to do now is wait for the bio-mimicry engineering to make a way of putting new ones on the inside, in transit.
wjt, Jun 26 2019
  

       [hippo], it's likely more stuff would stick over time, but that would only be noticeable if people were already keeping their hulls clean. Some sailors are noticeably lax in scrubbing their hulls unless they are in the waters of countries with low cost wages and bottom scrubs are cheaper. Perhaps there could be an automatic keel-hauler that could scrub the bottom?   

       Also, On very long trips, normal hulls develop intrusion from sea life that pokes holes through the paint/gelcoat and into the fiberglass underneath. This eventually causes the FRP to swell with water and weigh down the boat noticeably. Repairing this is expensive in costs, time, and use of more poisonous chemicals. My panels would delay this from occurring.
unhelpful_fool, Jun 26 2019
  

       [pertinax], Yep, salt would be an issue. My thought was to pull off panels and give them a fresh/grey water soak before composting. This might give the sealife the chance to flush their salts, which would kill them but would reduce salt content.   

       The run-off water could then be mixed with the brine from the desalination system, where various minerals and salts can be harvested.
unhelpful_fool, Jun 26 2019
  

       // fed to the compost/fertilizer heap //   

       Sp: deep fried and sold on street corners.
whatrock, Jun 26 2019
  

       I wonder why they can't wrap the hull in that fancy vinyl they use to make mid range Audis temporarily purple. It's waterproof, and as long as there are no edges facing into the flow I can't see why it wouldn't stick for a season or so.
bs0u0155, Jun 26 2019
  

       We too consider that the answer may be multi-layer "tear off" sheets, like the helmet visors used by scrambler bike riders.   

       Every day, just peel off and discard the current outermost layer.
8th of 7, Jun 26 2019
  

       //We too consider that the answer may be multi-layer "tear off" sheets, like the helmet visors used by scrambler bike riders.//   

       I saw just such a system demonstrated on Tomorrows World, probably around 30 years ago. Back when the future was exciting.
Loris, Jun 27 2019
  

       Why not just use Skewed Co's recently developed giant nautical shrink wrapper & layer a new coat of plastic over the hull every once in a while, removing the mast before you feed the boat through is advised.   

       Of course you don't get any compost.
Skewed, Jun 27 2019
  

       innovation [+] ecologically sensitive [-]
Voice, Jun 27 2019
  

       bio-engineer special hull cleaning fish that keep the hull free of any attache.   

       Could be helpful for pools, no?   

       innovation [+] ecologically sensitive [+]
pashute, Jun 30 2019
  
      
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