How To Build A Magneto Magnetizer Pdf Editor
Old Telephone Magnetos and what you need to know about them!
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Old telephone magnetos, generatoror Mags are one of the most fun little gadgets of the 20th century. As most found life starting as a means of signaling the operator or signaling another party that you wanted to make a call. In later years as the crank telephone was being replaced with modern dial telephones these old phones were being thrown away and resourceful people tried to findways to unutilized the parts in other ways. One of the most famous ways is toshock or stun fish. This was done by attaching 2 wires to the Mag and danglingthe wires off both sides of the boat while the Mag was being cranked. This wouldnot kill the fish but temporary stun them. Sometimes the fish would wake rightup as soon as you quite cranking the Mag. As the fish were stunned they wouldfloat to the top of the water and someone could count or even scoop up the fish.Now in some parts of the USA this is Illegal and in others it is legal. Pleasecheck with your local wildlife officer to be sure before your start. I sellMagnetos for replacement in old telephones and for science projects. What you do with them is up to you! here is an interesting webpage about using a mag.http://www.ehow.com/how_2312278_make-fish-shocker.html
Old telephone Magnetos produceAC electricity by passing a wound coil past a positive and negative charged fields.This produces a charge at the core of the armature or coil. A old telephonemagneto produces from 6 to 110 volts. the older Mags put out about 80 .The Western Electric 5 bar Mag can put out close to 100 and up to 120 if it iscranked very fast. It is possible to lightly light a light bulb with a magneto.The later model small magnetos were engineered to be small and put out morejuice. These will put out as much or more than the big 5 bar Mags. Although theWestern Electric 5 bar Mag is the hottest.
Please do not email asking how to shock fish or how to rig up your mag. It is illegal to do that here. All Mags are tested before they leave here and are hot. Do not take your Mag apart to see how it works. We do not take Mags back or accept any returns on Mags.
Have any questions please call 9one3-4two4-88four8
A load of Mags that just came in!
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Magnetos for Sale!
Late model crank telephone magneto. These put out a lot of juice for such asmall Mag. Great for replacing your missing telephone magneto or for those otherprojects that require a hand crank generator. These will generate about 80 - 120 voltsat AC current. These are $150.00 if you need a crank too email me and I will add it to your bill Magneto's may differ slightly from those pictured.
These are one of hottest magnetos made.
One mag no crank click this link.
Order here!
The same Mag above With a crank!$165.00
Can not be ordered separately!
Special 5 mags with cranks $140.00 each and free shipping
Super Special deal 10 mags with crank and free shipping $125.00 each
The same Mag above With a crank!$165.00$125.00 Plus $16.00 shipping
SPECIAL $125.00 Plus shipping Limited time only!!
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I have several differenttypes of Mags. The last ones built put out the most AC current for their size. These are thesmaller Mags shown in the pictures above as compared to a larger, older 5 bar Mag. Because these are in the biggest demand they are getting harder tofind. Also these are no longer made so what I can find will be all I can get.These will generate about 80 - 120 volts at AC current. These are $120.00 if you need a crank too email me and I will add it to your bill. Magneto's may differ slightly from those pictured! These Cost $120.00 each and $15.00 extra for a crank
For one of thesesmaller Mags order here!
Out at this time!
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On the Mags below order crank at the bottom of the page!
3 bar no name Mags $100.00
Please order your crank at bottom of the page!
3 bar Name brand Mags $120.00
Please order your crank at bottom of the page!
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4 bar no name Mags $100.00
Please order your crank at bottom of the page!
4 bar brand name nice $125.00
Please order your crank at bottom of the page!
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5 bar $130.00 -$150.00
1. Rusty but working $130.00
20-50 volts AC
Please order your crank at bottom of the page!
2. 5 bar not as rusty and working $150.00
50-70 volts AC
Please order your crank at bottom of the page!
3. Nice Working some mayhave brand name on Mag tag. $160.00
Please order your crank at bottom of the page!
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This is the hottest,strongest, most electro-biting magneto that I know of. The first time you getzapped by this bad boys you will not want to do it again! It hurts! This doesnot come with the back bracket as shown. 30-100 volts This Mags comes in Black, gray (shown)and red. Not all Mags will be this clean. Please order your crank below!
I have some of those that are not as strong for 1/2 price. You may be able to tinker with them and get them hotter.Email for these here!
I have two at this time!
$240.00 for the old big Western Electric 5 bar Mags plus$20.00 shipping.
$260.00 plus $20.00 shipping for Mag and crank!
I have two at this time!
If you have one all ready setup send the phototo me and I will post it here!
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Old straight black crank
$39.00 Order
Thousandsof Worm Harvesters are giving good results in gathering Worms. There is noparticular ability required to use the Angle Worm Harvester, but there areconditions that are more favorable. There are different kinds of AngleWorms and they live in different kinds of Soil. Nearly all Soils contain EarthWorms, so we suggest experimenting to learn what method gives the best results. Wormsare near the surface in early morning, late evening or at night, but not duringthe heat of the day. The Soil should be well soaked with Water and then allowedto drain for an hour or two. The Earth Worn eats its way through the soilmaking a hole or burrow that is from one to three feet deep. There are placeswhere they widen the burrow so that they may curl up and lay dormant or reversethe direction of the crawl. Theydo not have any eyes or ears but are sensitive to light and vibration. WhileWorms can pull themselves back into their holes, their normal movement is to goforward and a Worm that has started into a hole headfirst must go to the chamberat the end of the hole to turn around or eat another hole in the direction itwishes to go. Theycome to the surface at nighttime and feed on grass, clover or other plant lifethat they drag into their holes, or they- eat the vegetation and start a newhole. TheWorm caste or little -pile of soil left by a Worm is the result of its FOURRODSgive better results than Two Rods. They should be driven 1/2 to three feet inthe ground in a rectangle of about 5 feet x 2 feet and One Wire connected to twoRods. KEEPTHE GENERATOR DRY BY MOUNTING IT ON A BOARD OR A BOX. TheRod can be any piece of Metal preferably about ¼ inch square or -1/4 inch indiameter if round. One Rod can be used to make holes in the ground and smallershorter wires then be pushed into the holes, Theoperation of the Harvester is- not dangerous in any way. Should an Operatorplace a hand over the Generator- terminals, a shock will be felt but since it ishand operated the action will stop immediately. Allof these things can be done, but because the Worms live in the ground where wecan’t see- them, we can only tell by trial how to get the best results AsWorms do not have eyes but are sensitive to light a dim flashlight is preferredwhen gathering them. STARTTURNING THE CRANK SLOWLY AND LEARN WHAT SPEEDS GIVE THE BEST RESULTS. Theelectrical current produced by the Harvester will bring the Worms to thesurface. If the current is strong enough it will stun the Worms who will recoverwithout harm. If the current is too strong it will injure the Worms and whitespots will show on the skins. Such Worms may live up to 24 hours but will die,or the Worms may remain in the ground and die. NIGHTCRAWLERSthat come out at nighttime may be captured by laying the Rods on the wet grassand cranking fairly fast. This stuns the Night Crawlers so they can’t withdrawback into their holes and they can be gathered easily. InWet Soil such us a lawn that has been sprinkled, electric current will travel along distance with very little loss. For harvesting Worms we recommend settingthe Rods about 5 to 10 feet apart The More Rods that are used, the moreeffective the procedure. One set of Rods should be driven into the ground abouttwo feet. The opposite rods should start at six inches and be driven deeperdepending on results. Afterit has been determined that there are Worms in the ground and the amount ofmoisture and current that brings them to the surface, the area to be worked onmay be increased many times larger than that suggested for experimenting. Theadvantage of the Worm Harvester is that the amount of current can be controlledby the speed with which the crank is turned. IT REQUIRES SOME PRACTICE TOLEARN ABOUT WHAT AMOUNT OF CURRENT TO USE. Thereare locations favorable to gathering Worms and some unfavorable. A Shady Lawnwith Soil of Black Loam is favorable. The Green on golf Courses are treated withChemicals to keep Worms away. Any harvesting of Worm on Golf Courses must bedone in the Fairways. Q. It doesn't work. I don't know the name brand, but it has a logo on it that looks like a T, W, M, and C all stamped on top of one another. It doesn't put out any voltage that I can tell. A/C or D/C. What can I do to possibly make it work? Thanks for your time on this, Michael T A. First lets check and see if the magneto armature is open (Has a broken wire). First turn it upside down and find the 2 points on the armature where the hair thin wire is soldered on. take a OHM meter and check it for resistance. if there is none you have a broken wire. It will need to be rewound. if there is resistance, then check the stud that sticks through the case and makes contact with the tab on the outside of the Mag. Take the ohm meter with one lead against the stud and the other on the tab. If it shows it to be open clean the stud and the tab with sand paper or emery paper. Make sure while you are checking this that you check the stud against the case. it SHOULD be open or no resistance. If there is resistance you will need to take the Mag apart and give it a good cleaning with Acholal or electronics cleaner. Only Oil the Mag with dielectric oil. This is a non conductive oil. This will keep your Mag from shorting out. Telephone magnetos only put out AC current. Thank you! Well, turns out your input was very helpful, thanks! The ohms checked out. So further examination revealed that the contact that carries power from the armature to the terminal was gone! I made a new one, and this baby is putting out 100 volts!!!!!! Wow!! thanks again! Michael T Thank you for all the great info!!!!!!! We purchase some Liquid Wrench Silicone Spray that said it was high strength dielectric..will that work???? If not will you please tell me the brand name and where you can purchase a non conductive dielectric oil to lubricate our Mag as mentioned in your article. Thank you in advance for all your help! Answer: I have never used it but if it is dielectric it should work. I always take the Mag apart and clean them with electronics cleaner (bought a bunch on sale) and wipe all bearing surfaces down with a rag. Then oil them with dielectric oil I salvage out of submersible water pumps.LPS All Purpose Lube, TKX, Trigger Spray, 20 oz is dielectric too Telephone Mags, Old telephone Mags, phone magneto, cranker, old phone juicer, telephone generator, calling fish, fishing, fish, how to catch the big ones, magneto, fish shocker, electro shocking fish, Worm getter, worm shocking,megneto, generator, old time fish catcher,generator |
After trying out our simple demonstration of magnetohydrodynamic (MHD) propulsion, you might want to make something a little more “practical.” Here’s how to build a simple little boat that moves through salt water (at a snail’s pace) via MHD propulsion. Download l2 hack enchanting.
The craft is not designed for performance; it’s designed to demonstrate a functional MHD craft made with inexpensive, easily available materials. While it may move slowly, hey, it moves, and you can make it in about five minutes.
[This is the second in a series of three articles on building simple magnetohydrodynamic (MHD) propulsion systems.]
Materials, clockwise from noon:
- 9V batteries. Plural, because they will get used up very quickly. Rechargables would be nice.
- Two quarters (or similar coins)
- Two short cables with alligator clips on the ends
- A sturdy foamtray, like the kind that meat or vegetables are sometimes packed in
- a strong neodymium magnet (I suggest one about an inch in diameter
by half an inch thick) - Regular transparent tape.Tools: a small knife.Optional: Double-sided tape.Since your vehicle requires salt water to run, you will also need to provide that. Grab some salt, water, and a nonmagneticbasin that’s at least several times as wide as your craft. A plastic storage bin or kiddie pool works well. If your bathtub is nonmagnetic (check it!) you can use that. While the craft could (in principle) run in the ocean, wind and water currents will make it hard to see the small propulsion effect.
First step: Wrap the outside of your magnet with a single layer of tape to electrically insulate it. Electrical tape, packing tape, or other types of insulating tape will also work for this job.In the photo, you can see that my half-inch thick “magnet” is actually a stack of two 1/4″ thick magnets.
Step 2: Using more tape, attach the magnet to the tray. You can see in the first photo where the magnet will end up: towards one end of the tray and centered in the other direction.If you have double-sided tape, use a piece below the magnet to help hold it in place.
Make the incisions. Use a knife to score a short, narrow slit along two sides of the magnet as shown. The slits should be allow you to push the two quarters into the foam tray where they are held in place by friction. It’s a good idea to make the initial slits narrow and short (shorter than a quarter) so that the quarters will be held in place securely and the seal will be water tight. The quarters should be parallel, centered around the magnet, and as close to the magnet as possible.Danger: You must exercise extreme caution when handling a sharp knife near a strong magnet like this. The safe way to cut these slits is to first mark where the magnet goes, take the magnet off, cut the slits, and thentape the magnet on.
Carefully attach the 9V battery to the craft, it should happily stick to the magnet.Begin wiring up the craft: Hook one end of each of the two alligator cables to the battery terminals. (Don’t hook the terminals to each other.)If you don’t already have any alligator clip cables, this is a great excuse to make or buy some.
To complete your MHD boat, clip the other ends of the two alligator cables to the two quarters. Go get the Dom, it’s time for the maiden voyage.When you float the craft in salt water, the water completes the electric circuit, allowing electricity to flow between the two exposed half-quarters on the bottom side of the tray. As in the case of the simple MHD demonstration, the electric current flows perpendicularly to the magnetic field, so a force is produced, which will push the craft along.
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Avoid getting salt water in the top of the tray; it will short out the circuit and drain your battery without giving you any propulsion.
Get your basin ready and salt the water.We used this clear storage bin to test out our little boat. The water is a couple of inches deep, so that the quarters won’t touch bottom. We emptied that container of salt into it, but I’m not convinced that we needed quite that much.
Because we’re using such a small battery, the total thrust is not very high. To see it, you will need to avoid other factors that can move the boat. Most importantly, you need to avoid water currents, wind currents, and nearby magnets or ferromagnetic items.
We had an early shipwreck with this design when we tried to test it out in our bathtub. It turns out that our bathtub is magnetic. The boat was almost instantly yanked to the bottom. Oops. A more subtle problem is that your craft may slowly float towards the nearest giant chunk of steel, so don’t try this right next to your car. Once you eliminate major magnetic interference, you may find that your craft still acts as a weak compass. (If your magnet pointed horizontally instead of vertically, it would make a
very good compass.)The compass effect will only mess with your steering, not the thrust direction. If you’re careful, you should then be able to tell compass steering from attraction towards metal objects.
To check for magnetic interference without eating up batteries, disconnect one of the alligator clips from the battery and set the craft in the basin of water. If it starts drifting (not turning), then you need to put your basin somewhere else. Once you’ve found an interference-free test site, reconnect your battery.
To test your MHD craft, place it in the center of your salt water basin. Assuming that you’ve removed magnetic interference, the craft will begin to move forward. However, without knowing which pole of your magnet is which, you can’t tell which way forward will be. The end with the magnet is either the bow or the stern. If you’d like it to go the other way, swap the role of the two alligator clips at the battery end.
To prolong battery life, always take the craft out of the water as soon as it hits one of the walls. Disconnect the battery if it’s going to spend any significant time sitting out before the next run.
Short movie (43 s, no sound), demonstrating this magnetohydrodynamic propulsion craft on YouTube.
Troubleshooting
If you have trouble getting your craft to work, the first suspect should be the battery; try a new one. There’s very little to go wrong in this circuit, so it should (in principle) be easy to debug. If the battery is hot and the craft doesn’t move, then you may have a short circuit. Check to make sure that you don’t have any water leaks (remember that salt water is a conductor!) and make sure that the insulating wrap around your magnet is intact.
What’s next?
This might be a good starting point for a larger vehicle, as a classroom
demonstration, or a science fair project. That’s up to you. Right now, I’m making radio controlled versions. How will it turn out? Time will tell!