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Build a Magneto Magnetizer, Gingery, David J, ISBN Build a Magneto Magnetizer Many people collect and restore old engines and in the process discover that the old iron magnets in the magneto. Dave will show you how a magneto works, how to test one, how the magnetizer works and will show you in detail how to build one. He’ll give you all the tricks on .

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A great sorce of information.

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In the past, magnetos were employed to fire spark plugs in the cylinders of internal combustion engines. The exact number of turns is not important so don’t bother counting turns, just wind until 20 pounds of wire is on each coil. AmazonGlobal Ship Orders Internationally.

With the price of copper wire, it is not cheap. If you are rebuilding pre ww2 motors you need this machine and you can’t buy a working one that will last original coils will fail and start a fire or blow your breaker after ww2 they had permanent magnegizer and these machines disappeared.

Blueprints for an Ironwood Engine. You can actually see if it’s open or closed. Only ordinary mechanical skills are required to build it.

This will not recharge newer alnico, samarium, and similar alloy magnets since these need an enormous magnetic impulse beyond the capabilities of this machine.

Amazon Rapids Fun stories for kids on the go. I magnerizer that there are forum rules prohibiting this kind of advertizing so maybe a note to the moderator to get this removed would be in order Without a healthy spark, magnettizer engine won’t run.

Here, Dave will show you how to build a device to recharge these old magnets. Once the magneto is positioned, charging is accomplished by closing the switch and letting the current build to a maximum as indicated on the ammeter. A view of the finished charger. If the wiring and winding have been done as indicated the north and south poles should be as shown in the figures. It is important that unlike poles of the magneto magnets and of the electro magnets be brought together; i.


Forums 34 Topics 69, PostsMembers 10, Be sure to take advantage of the Square Deal Subscription Program. Alternator diodes will work fine if the ones listed aren’t available. The easiest way to see if the poles are as marked is to test with an ordinary compass.

Magnftizer manila folder into a strip, wind and cement it to the core between maneto washers. Great for engine restorers, science experimenters, or even as a science fair project. We did it because of the challange.

Kindle Edition Verified Purchase. Then you have to wind two coils, built the rest of the electronics and make the conductors. Miscellaneous equipment, heavy duty solder lugs, 10 gauge hook up wire, solder, other items as required.

Building a Gas Fired Crucible Furnace.

English Choose a language for shopping. Don’t bring the compass too close to the charger or to magnets because the needle may be demagnetized or remagnetized in the opposite direction. Design for magnet recharger.

Build a Magneto Magnetizer – BritBike Forum

Probably a VERY good read What Dave has done is show you how to build a proven device from currently available materials, and at low cost. ComiXology Thousands of Digital Comics. Top Posters 30 Days. Gas Engine Magazine is your best source for tractor and stationary gas engine information. The actual winding is started by scraping off a half inch of insulation and poking the wire through the start hole in the insulating end washer and soldering it to a lug on the terminal marked ‘1’.


The keeper should remain in place until the magnet is reassembled on the magneto. Before the wire is wound on them, the magnet cores must be insulated. Two people are required, one to operate the lathe clutch, while the second layers wire onto the core with gloved hands. Note the automobile battery for power and a compass for checking magneto polarity before charging.

The other pole should attract the south seeking needle and should be marked ‘S’. The bolts may be run through wood supports which act as bearings and support the coil during the winding. The coils are connected in parallel and protected with diode arc suppressors.

Wind the wire around the electromagnet cores as shown in the illustrations and then wrap tape around the windings, to hold them in place. An ordinary automotive ammeter reading 50 amperes is sufficient. Description The charger described here is designed to operate from a volt automotive battery, has a core area of seven square inches and provides 20, ampere turns of energy.

How to Build and Use a Magneto Magnet Charger

The north seeking compass needle should point to the north charger pole as the compass is circled around it. There’s a problem loading this menu right now. Magnetomotive force product of amps times turns of wire must be large enough to bring magneto magnets to saturation. If a lathe or mill is not available, file and hand scrape the parts for mxgneto perfect fit at the joints.