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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Shopbop Designer Fashion Brands. Print Thread Switch to Threaded Mode. Be sure to take advantage of the Square Deal Subscription Program. This material is too high priced so I used low carbon steel. Learn more about Amazon Prime. Gas Engine Magazine brings you: English Choose a language for shopping. Gas Engine Magazine brings you: All contacting surfaces should be absolutely flat and square so that there will be good metalic contact over the entire surfaces. Try to purchase two 20 pound rolls rather than one 40 pound roll.

The windings will heat up quickly when in use; therefore, the switch should be closed for only a few minutes at a time. These procedures were used in the old days because many chargers were inadequate and magnetic theory was not well understood.

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The main base is attached to the hand truck using the two pieces of steel angle cut from bed rails. Inspiring New Magnetixer Collectors.

Air is a poor conductor of magnetic flux and we want to put magnetic energy at the pole pieces rather than waste it in cracks and gaps due to poor fits. After charging, the polarity can be verified by the use of a compass. The information is clear and understandable with diagrams and measurments.


There’s a problem loading this menu right now. 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 magnets and these machines disappeared.

Because of this fact, when charging magnetos, remember the pole which you desire to be north should be placed at the magnetlzer pole of the charger first test the magnet with a compass to determine the north pole. The coils are now bolted to the base. If not, check the wiring, paying special attention to proper battery polarity and diode polarity.

Diodes absorb the energy when the switch is opened. You’ll find it easier to build the magnetizer if you have access to a machine shop. To protect the coils from damage, I wound several strips of fiberglass cloth and string over the entire coil and painted them with polyester resin.

Build a Magneto Magnetizer – BritBike Forum

If a lathe is not available, coils can be wound by attaching a crank with bolts threaded into each end of the core. Explore the Home Gift Guide.

Magnetomotive force product of amps times turns of wire must be large enough to bring magneto magnets to saturation. One thing to remember you need to wind both coils in the same uow in order for it to work properly. If you have a particular interest in magnets, you can build this simple device to create new magnets and recharge weak ones. ComiXology Thousands of Digital Comics.

This book gives you a step by step way to build a low cost magnetizee to keep your magnetos running for years. Customers who bought this item also bought.


Amazon Inspire Digital Educational Resources. Read more Read less. Inspiring New Engine Collectors. The ammeter is connected in series with the switch and mounted to the wood base attached to the hand truck.

Final assembly Now things start to get heavy, so it’s good to build the charger onto a two wheel hand truck or other cart. What Engine for Clutch Pulley? Description The charger described here is designed magnto operate from a volt automotive battery, has a core area of seven square inches and provides biild, ampere turns of energy.

This is not spam or advertisement as we are not really into doing this for others. The needle is really a ‘north seeking needle’ and magnetizwr the north pole of the earth or magnet.

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Note location of auxiliary pole pieces. The ammeter shown, unlike automotive ammeters, requires the use of an external shunt for operation. The book prescribes a crude, hand-cranked coil winder design, to be fabricated from wood, cardboard, and common hardware. It’s always a good idea to periodically check the compass to make sure the north seeking needle still points north my compass gets messed up a couple of times a year and has to be remagnetized so it points properly.

The pole pieces of the charger should be adjusted to concentrate the magnetic field across the magnets while on the magneto. Share your thoughts with other customers.