GENERATOR/ELECTRIC STARTERS(DYNAMOS)These little 100cc-185cc bikes are real easy to kick over. I can see no need for electric starters on them, but a lot of them do. The factories must have thought this was a good selling point. The starter/generator (sometimes called a Starter/Dynamo) is located on the end of the crankshaft and has the ignition points mounted to it too. You will only find these on small bikes because there is no gear reduction and they don't put out a lot of power.
They are quite complicated. They were seen on these little bike up to the mid 1970s. It would seem they are quite reliable because I'm still seeing them, but they are starting to disappear.Usually you will only run into these bikes as a cheap kids bike. If something major is wrong, you will not want to pay the money for the part.
Why pay $200 to get a $100 bike going? You probably can still get a lot of the parts but, it's just not worth it.If you do get a hold of one of these bikes you will need a good, fully charged 12 volt battery, in the system, for it to run. Hit the button and away you go. If nothing happens check and make sure the brushes are in good condition. Also check the grounds and all the wire connections for corrosion.Below are some wiring diagrams, showing how this starter works and how it changes from starter to a Generator/Dynamo.Starter/Generator (Dynamo) Wiring.Starter/Dynamo and Associated Circuits.The starter/generator has coils wired in series for the starting of the engine and then it also has coils wired in Parallel or Shunt, to generate power once the engine is running. All this means, to us, is that there are two sets of coils to test. The coils can't be grounded (Shorted out) to the housing they ride in or have a broken or burned out internal wire that prevents current from passing through them.Checking the shunt field coil resistance.Checking series field coil resistance.The armature is tested like any armature.
Continuity between the commutators and no continuity to the armature shaft.There is no rectifier because this thing generates DC current but a lot depends on the voltage regulator. It keeps the DC volts to the battery under control and charges and changes the different coils in the starter/generator/dynamo unit.Now things start to get kind of complicated. You can change the settings in the voltage regulators because most of these things were made before anyone ever thought of solid state electronics. They usually come set right, from the factory. If you have to get into them, it usually means something is worn out, broken or goofy!
You really need to run down a new one but, the bike just isn't worth the expense, unless you are restoring one.
Making Wire Rosaries by The Rosary Shop To make a 5-Decade rosary you will need:. 59 Beads (53 Hail Mary and 6 Our Father). 1 Center. 1 Crucifix. 59 Eyepins (or raw wire to make them). 8 or more inches of Chain. 4 Jumprings. Roundnose pliers (or rosary pliers). Flatnose pliers (highly recommended).
There are many different ways to use something to create. An old car alternator can provide one of those ways! In a vehicle, an alternator is used to charge the battery.
As such, once it begins to produce electricity, it can keep itself moving without any additional work. Here is a quick project that will give you the ability to use an old, working alternator as an for energy. Step 1 - Choose the Right AlternatorThe type you want to use for this project should be an older design, such as you might find in a scrap yard.
A large percentage of the alternators come with internal regulators to control the charging rate, so try and pick one of these up to keep hook up and installation to a minimum. Step 2 - Connect the AlternatorConnect the device to a 12-volt battery to provide stability in the system. Connect the largest terminal of the alternator to the positive terminal of the battery; the negative terminal of the battery connects to the frame (housing) of the alternator. Two or three smaller terminals will remain depending on the design.With the two-terminal design it usually means that a regulator is built in, and you need to attach one terminal to battery positive and the other small terminal, through some type of switch, to a positive voltage source. This turn-on circuit energizes the regulator and will control the alternator output voltage to a maximum of approximately 14 to 14.7 volts.With a three-terminal design it usually means you have to mount an external regulator and run the corresponding wiring from the alternator to the regulator and the battery positive. Turn on positive voltage, and then go to the regulator instead of the alternator.
If you want to use the alternator as a backup source of power when your regular system fails, consider using a small gas powered engine like one from a lawn mower. Step 3 - Bolt the AlternatorBolt the alternator to the deck, and attach a pulley on the output shaft of the gas motor to drive the alternator through a belt. Step 4 - Power it With Green SourcesIf you are considering using this alternator to generate energy, try attaching it to a pole and mounting a blade type fan or propeller to the shaft. Place this assembly in a windy location for Mother Nature to turn it. Or, if you live beside a running stream or body of water, mount a paddle wheel on the alternator and allow the water to do the work. Remember that the alternator itself cannot be immersed in the water and should be protected from large amounts of spray.