I'm moving these paragraphs to the front instead of the end where I first typed them:
The shapes of those laminated high silicon steel (generically referred to as "iron") cores are conventionally known as C and E . You don't have the operation of the magneto discribed quite right. The primary winding is held shorted until the spark is needed when the breaker points (or electronic equivilent) open. It is used not to "build volts," but to store energy within the magnetic core. In general this means the magneto core itself can't be used with a power winding, though see the moped engine discribed below.
What you propose is not uncommon on outboard boat engines, at least the older two stroke Johneyrudes I have worked on. They will have an extra stator or two placed around (well, within, actually) the flywheel, and wired to a rectifier to charge the starting battery. These pretty much just barely work when they work at all. They will generally keep a battery topped up enough that it doesn't need charging during a weekend on the lake. They are usually an optional, extra cost feature that many experienced boaters will forgo. You still have to charge the battery between outings unless you are using the boat daily and running the motor at a fair clip for hours at a stretch. No way will such an "alternator" keep up if you are killing the motor every time a skier needs to climb into the boat, nor will the charge at idle if you are trolling.
I have also seen an extra winding on a moped magneto that would run a 3W bicycle headlamp. If you tried to run more than a 3W lamp, it would kill the engine, and it was best to kill the lamp for startup...and you might have to bump the idle up a little to keep the motor from dying at stop lights.
The reasons this scheme doesn't work well:
-The stator is only around (or within) a small sector of the flywheel. Yes you can use multiple cores, but they are out of phase, so you have to individually rectify each winding. The individual stators add a lot of mass, because the flux isn't shared between them. In a more convetional stator, you get double duty out of a lot of the iron as the flux shifts between poles.
-With such large gaps in the magnetic structure, the output is very noisy and irregular. OK for charging batteries, but you can't really run most loads directly. Incandescent lighting might be the exception.
-The flywheels use rather weak Alnico magnets, and only 2 closely spaced poles at that. This requires high speed, and lots of turns to get much output. Exactly what you don't want in a wind genny. Since only 10-20 degrees or so of the flywheel (where the magnets are) makes any power, you end up with the coils and iron doing nothing for you about 80% of the time...and that is just counting when the wind is blowing.
On a boat motor it is cheap and simple, and not too expensive. The fact that it works at all is appreciated by some, and you have many HP, so losing a fraction of a HP to an inefficient generator is acceptable.
Now for what I first typed after reading this thread:
As for views vs. replies and what that says: It says there are many lurkers here like me that are trying to learn from guys who have been there, done that, and not spout any old thing off the top of our head. I have been guilty of that in the past, and am working to reform. Keeping my mouth shut when not sure improves the signal to noise ratio.
The second issue is run-on sentences, non-standard spelling, and invented terminology. I frankly found it rather difficult to work out what you were on about. No this isn't an English essay contest, and some smart and experienced people are short on "book learning," but communication is enhanced when we all stick to established standards to the extent we are able. If you are young, or English is not your mother tongue then you will have to work harder at doing this, and you will have to appreciate that people are having to do real work just to understand you. Some won't have the patience for that especially if they perceive "attitude" as well. It could have been worse though, at least you avoided SMS abbreviations (LOL. OMG, B4, L8R, WUT?, etc.)
Lastly, it is rather poor form to walk into a party, look around, and inform the hosts and guests that they are poorly dressed, engaged in stupid conversation, serving shoddy booze, and generally doing it all wrong. The only thing guaranteed to make you less popular would be to light the place on fire or take a dump in the punch bowl. Every board has a different vibe, and standards, and new comers will do well to get a feel for the place before spouting off. For an example of what happens when there are no community standards at all, see the comments on almost any YouTube video...the stupid, it burns.
