what fishing magner is heavy enough to throw out into a lake
Magnet Line-fishing 
A few of the guys at M&J Magnetics have gone line-fishing; magnet fishing, that is! Join usa as we try using magnets to take hold of metal objects hidden underwater.
What's magnet fishing?
At left, an MMS-C magnet screwed onto an MMS-D magnet, with the rope tied in between. At right, a single MMS-G magnet.
Magnet fishing uses a potent magnet to attempt and grab ferrous metal objects that are hidden or lost underwater. If you want to effort grabbing something lost on the lesser of a lake, pond, or river, a magnet on a rope might do the flim-flam.
What magnets should exist used? As mentioned in our article nigh Mounting Magnets, many of our customers have reported success using stiff Mounting Magnets. They are durable, and you can easily tie them onto the end of a rope.
Our MMS-One thousand magnets are popular, with an eye-claw for attaching a rope or cable. Some of our customers accept reported good results using an MMS-C and MMS-D magnet screwed together, with the rope/cablevision/cord tied on the space between them. The idea is that this combination might be more than likely to take hold of onto an object below the h2o'south surface.
For long term underwater utilize, consider Plastic Coated Magnets for a waterproof solution.
What magnets did Chiliad&J use for this line-fishing trip?
Three incredibly powerful, three" bore MMS-B-Z0 magnets, bolted to an aluminum extrusion. This strength is probably besides much for magnet fishing.
We picked 2" diameter MMS-C-Y0 and MMS-D-Y0 magnets, and screwed one to the other. So nosotros tied a rope between them. Make sure you lot torque the two magnets tightly together. If they come unscrewed underwater, the rope won't hold them!
Not satisfied with this, we figured that we should bear witness up at the lake with some bigger, stronger magnets that would exist ridiculously strong. For the monster magnet picker-upper, we bolted iii MMS-B-Z0 magnets beyond a length of aluminum extrusion, and tied that to our rope. This setup is a lot more than powerful, and then nosotros did worry about it getting attached to something that would exceed our ability to pull up with a rope.
This setup is more than poweful than you really want for magnet fishing. We don't recommend information technology. Nosotros just used it hither in the spirit of so many Goggle box shows and blog articles that go over the top with extra strength. Information technology's like the Mythbusters guys bravado stuff up at the terminate, simply because they can. If we had accidentally stuck these magnets to the steel frame of a dock, the magnets might withal exist there at present. Choose magnets that you'll be able to pull free with your rope!
From the dock
Magnet Fishing!
The steel bottle opener sticks firmly to the magnet.
We started our tests from a dock at a local lake. To brand sure we would take at least i successful "find," we tossed a steel bottle opener into shallow h2o about the dock.
With the MMS-C-Y0 and MMS-D-Y0 magnets secured to the end of a rope, we tossed the magnets in hoping to grab the opener. These magnets are stiff, or nosotros're lucky, because we were able to take hold of the opener easily on the outset toss. It works!
Granted, this was in shallow h2o. On such a sunny solar day, nosotros could see the opener lying on the bottom. Still, it'south proof that magnets like these are a handy way to pick upward a dropped object.
Next, we tossed the bigger magnets off the end of the dock, searching for whatever we could notice. On one of our first throws, we captured a large pipage elbow and a large fishing hook. The heavy, rusty pipe was an easy grab for the powerful magnets. A few snails nestled inside the piping came along for the ride.
A 45° pipe elbow and large fishing hook stuck to the magnets.
From a boat
A socket once dropped by a deplorable boat mechanic, plant by guys with a magnet on a cord.
To cover more distance, we prepare out in kayaks to elevate the magnets across more than lake-bottom. With the magnets dangling on fifty+ anxiety of rope, we went hunting for treasure on the bottom of the lake.
The experience wasn't completely problem-free. When going by a rocky expanse, the magnet and rope sometimes got defenseless in the rocks. In a kayak, it was piece of cake to support and get yank the magnet out. In a motorboat, we might have simply cleaved the rope.
There'south lots of stuff sitting on a lake lesser that could trap a magnet on a rope. Be careful, but also exist prepared to lose a magnet.
Most of what we establish in our limited, ii-hour line-fishing trip was closer in towards shore. Near the marina, we found a socket that must take been dropped past an unfortunate boat mechanic some time ago.
Perhaps our most interesting notice was something that we were not able to pull upwards. We located something strong using the smaller mounting magnets. When nosotros pulled slowly up on the rope, the magnets bankrupt free. The magnetic concur wasn't stiff enough to pull the object up.
The object appeared fixed on the bottom. We could find it repeatedly using the magnets. We tried to pull it upward using the large 3" magnets, as shown towards the end of the video beneath. The magnets grabbed onto it well, but still were non potent plenty to call back the object.
What was that thing? Information technology could accept been a gunkhole ballast, firmly wedged into the gunk on the bottom. Our guess was a steel cable strung across the bottom of the lake. It was virtually some docks, and so maybe the cable had something to do with those.
The pull of the magnets wasn't strong enough to pull the object loose from the lesser. Call back, the pull forcefulness you get from a magnet depends on what y'all're sticking information technology to. A powerful MMS-B-Z0 magnet can pull with hundreds of pounds of strength when sticking to a solid steel surface (similar the one that holds up a person in this video). If the steel object is smaller, though, the force could be a lot less. You won't see 300 lb of force from the magnet to a paperclip.
What nosotros learned while magnet fishing
Like treasure hunting with a metal detector, magnet fishing is non for the impatient. It'southward a big lake and a small magnet, and then y'all might not find much very quickly.
We likewise learned that there's lots of iron junk on the bottom of a lake! Rusted bits of metal, steel cable, and many rocks that incorporate fe often stick to the magnets. Periodically, we scraped off fe-bearing clay and rocks from the magnets. If you're going magnet fishing, bring a pair of sturdy work gloves to scrape the mess off without cutting yourself on something rusty.
It's not easy to scrape magnetic gunk off the powerful magnets...
Why would anyone want to practise this?
The magnet fishers we hear from seem to autumn into 2 groups: Treasure Hunters and Tool Droppers.
Treasure Hunters hope to find interesting things. Sometimes the establish objects can exist historically interesting. Rarely, something valuable might exist found. While some trips might not notice anything of involvement, information technology'southward still a practiced excuse to go sit by the water for a while.
Tool Droppers are after objects that oasis't been in the water quite and so long. Peradventure that boat mechanic would have liked to pick upwardly his dropped socket. With a strong magnet and a trivial rope, that 15 feet of h2o isn't a trouble.
Naturally, we don't recall a toolbox is complete without a magnet or two in it. We always have a few magnets in our toolboxes. We are continually surprised at how often a small, powerful magnet comes in handy. Popular magnets to stash in the toolbox include the D68PC-RB (for identifying poles), the D6C (for magnetizing screwdrivers and other stuff), the TT-8 telescoping pickup tool and of course a single MMS-Yard-X8 or MMS-Thou-Y0 if you plan on going magnet line-fishing soon.
Adept luck line-fishing!
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Source: https://www.kjmagnetics.com/blog.asp?p=magnet-fishing
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