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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The coils are now bolted to the base. Great for engine restorers, science experimenters, or even as a science fair project.

Materials 2 each 3-inch diameter x 6-inch-long bars C steel for the magnetic coil cores 1 each 3? Forums 34 Topics 69, PostsMembers 10, The result was a set of cooked coils. If you’ve got an antiquated engine and you suspect the magneto might be faulty, but you don’t really know what you’re doing, then this booklet may provide just the fragments of knowledge you need to accomplish a repair. ComiXology Thousands of Digital Comics.

Build a Magneto Magnetizer – BritBike Forum

I used C steel for all components in the magnetic path. The current should build up to a maximum about 40 amps in about 3 seconds.

See all 12 reviews. Magnetomotive force product of amps times turns of wire must be large enough bukld bring magneto magnets to saturation. John using the charger at a local New England engine show.

Building a heavy duty magnet charger

The keeper should remain in place until the magnet is reassembled on the magneto. Be sure to take advantage of the Square Deal Subscription Program. The core ends and top surface of the bottom bar should be faced or ground flat to minimize the air gap losses.


The Square Deal Subscription Program is designed as a paperless transaction with automatic renewals at a preferred low rate. Arc suppressor diodes The purpose of arc suppressor diodes is to reduce the high voltage arc produced by the coils when the switch is opened. Other components, such as the knife switch and terminal board, are mounted to a wood base on the hand truck. In the past, magnetos were employed to fire spark plugs in the cylinders of internal combustion engines.

The main base is attached to the hand truck using the two pieces of steel angle cut from bed rails. Amazon Rapids Fun stories for kids on the go.

Building a heavy duty magnet charger Make it at home. Blueprints for an Ironwood Engine.

Amazon Advertising Find, attract, and engage customers. Once the current has built magnetkzer a maximum, the switch may be opened because a full charge has been delivered to the magneto magnets. Search eBay for motorcycle parts in following countries.

Kindle Edition Verified Purchase. A knife switch is used to turn the charger on and off. Mount the recharger on a wooden base large nagneto to also hold a single pole switch and a binding post. When a magneto is taken apart for any reason, it must be assembled with the magnets in the same relative position as magnetp, otherwise their polarity may be reversed and the magneto will be inoperative.

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Inspiring New Engine Collectors.

This is a relatively simple device. Top Posters 30 Days. 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. It is not necessary to remove the covers or put shims under the armature of this magneto when charging. Build a Magneto Magnetizer Many people collect and restore old engines and in the byild discover that the old iron magnets in the magneto have lost most or all of their magnetism.

Testing the charger Once the unit is wired according to the wiring diagram, it’s time to test it.

To insure this, the current should be turned into the electromagnet and magneto magnet suspended over it on a string. Print Thread Switch to Threaded Mode. With the price of copper wire, it is not cheap. Wico AX or PR with top cover removed-ready for charging. Magnnetizer great how-to manual from master builder, Dave Gingery. He magnetizeer already started building one.

This charger uses 3-inch diameter soft iron core pieces 6 inches long, each wound with approximately turns of 10 gauge copper magnet wire.