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This is inspired by Kiteman's ible /https://www.instructables.com/id/Small-scale-wave-power-free-energy-from-the-beac/ , and can hopefully help in someone making the ultimate cheap and portable wave power plant.

The power plant is supposed to be placed on the beach or similar shoreline, and one of the criteria is that it's easy to carry with you before and after use. Hence the use of detachable bottles as ballast tanks, that can be filled before the tide starts coming in, and emptied out when the tide is on it's way out again. (to be moved back further out on the beach at low tide.)
There are no step by step, since this is a sharing of idea, not instructions on how to make it.

The higher row of tanks/bottles can be partially filled with water to work as a ballast. When the tide comes high enough the water will lift up the whole installation and push it further in.

There are still a lot of improvement to be done to this, as a second section behind the present installation to make it all more stable.
Please feel free to give comments, and please have a look at Kiteman's link since he is the one who started it all...
I've had an idea regarding wave power, and I think I'll post ist here - as good a place as any, I figure. Correct me if I'm wrong.<br> <br> I feel that to convert waves into airflow into electricity is rather lossy, so inspired by the effect a <a href="https://www.instructables.com/id/HOW-TO-build-cheap-VHS-tape-WINDBELT-generator/" rel="nofollow">windband generator</a> is based on, I'd propose a series of floating bodies - empty or half-filled bottles, for example - in a rack or cage. I can come up with many ways to attach magnets and coils, I assume the easiest being putting rods on top of the bottles with the magnet, running through coils on top of the cage. One would have to figure out whether it's best to fix the system - i.e. only the bottles can move at all - or a cloating one, anchored but capable of raising with the tide, and only using the relative waves within it's limits.<br> <br> I don't know whether I'm making sense here, and I cannot create anything compelling or visual right now. Might get back to it later if there is a demand, but living too far away from any suitable body of water large enough I don't think I'll be making one of these anytime soon...
Great idea! I totally get the basics of your idea. It is true that it's much more efficient to use the direct mechanical force from the wave instead of converting it into airflow. <br>Thanks for the idea, I hope your able to get it illustrated at some point. <br>I grew up by the sea, but live now several hundred miles from it (or any other large body of water). That's why I only put out the idea, and have no plans on putting into life my self.
Will Instructables save us?
Oh, that's interesting! <br> <br>Ideas like this need to be shared as much as possible; get enough brains on the problem, and it will be solved.

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