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My friend has a business descaling ships with his own device. The device consists of a "pressure washer" "robot" that sticks to the side of the ship with combin
by chrisbennet 7y ago
My friend has a business descaling ships with his own device. The device consists of a "pressure washer" "robot" that sticks to the side of the ship with combination of magnets and suction.
The motor+pump for "pressure washer" is about the size of minivan and resides on it own trailer. The "pressure washer" (if you made it a single nozzle) will cut through an inch of steel. The magnets are arranged in a pattern called a Halbach Array that concentrate the magnet force on one side of the array.
https://en.wikipedia.org/wiki/Halbach_array https://en.wikipedia.org/wiki/Halbach_array
- vervez 7y agoHalbach array AKA fridge magnet.
- chrisbennet 7y agoI don’t believe this is true at all. Educate me though, I’m wrong a lot. :-)
- vervez 7y agoYou're not wrong, I'm just saying they're synonymous. https://www.hsmagnets.com/blog/halbach-array/ https://www.hsmagnets.com/blog/halbach-array/
- chrisbennet 7y agoAh, thanks! "Halbach arrays now have many applications and are used in a range of systems of varying complexity. One of the simplest applications of Halbach arrays is in refrigerator magnets. In this case the one-sided flux properties are exploited in order to boost the holding power of the magnet. Variable arrays of magnetics rods can also be combined to create simple locking systems. If the magnetizations of the rods are arranged so the field is maximised above the plane and minimised below it, the flux confinement can be flipped by rotating each rod 90 o."
- chrisbennet 7y agoAnd yes, I was wrong. As we say in my household: "You were right. I was wrong. You are the superior being."
- saber6 7y agoInteresting. Is there a good living in such a operation?