2 1/2 inch d. X 1/2 inch T. Micro. Mags

[jbear]

Have been really searching the site for info. on Microwave Mags, havent found much.

I have un-limited access to them, just take's time to get them. All are round-

 @ 2 1/2" D. X 1/2" thick.

Would like to build a 10' (8ft with 10ft. blade) Hugh design in the 12 volt out-put size.

I understand that I will have to change the diam. of the unit as the Mags are larger, just do not "know" enough to be able to builld this thing with these free Mags. How many Mags to meet the out put in Hugh's book? Coil's the same? etc., etc., etc.

I assume the unit probably will not be a supper electric producer but I have to do wha I have to do and with next to no money to work with.

Any information related to this would be greatly apprecieated.

Takes me a couple of weeks to reply as I only get to (Town)the library 2 times a month.

Thanks, Jim

[ghurd]

It will take a lot more magnets because they are weaker.

Are you SURE they are all the same size?

In the last 12(?) microwaves I dismantled, I ended up with about 5 different sizes.

Often in they are not the same thickness in the same microwave.

If your unlimited access involves various brands and models, better start getting all you can now.

And if you can save the transformers for scrap value,  Take the coils off the laminations, separate the CU and AL coils, and it won't take long to get enough in scrap to buy good magnets.

Hit the coil with a file to see if it is white (AL) or yellow (CU).

The magnet cost is a very small percentage of a 10' machine.

G-

[kurt]

here is one windstuff ed did http://www.windstuffnow.com/main/microwave_wind_generator.htm

[hiker]

even more info...........

    http://www.google.com/custom?domains=www.fieldlines.com%3Bwww.otherpower.com%3Bwww.forcefieldmagnets
.com&q=microwave+mags&sa=Search&sitesearch=www.fieldlines.com&client=pub-66895748701
08535&forid=1&channel=6019146814&ie=ISO-8859-1&oe=ISO-8859-1&safe=active&fla
v=0001&sig=9YAA3hciIHMnX_CG&cof=GALT%3A%23008000%3BGL%3A1%3BDIV%3A%23336699%3BVLC%3A663399%3
BAH%3Acenter%3BBGC%3AFFFFFF%3BLBGC%3A336699%3BALC%3A0000FF%3BLC%3A0000FF%3BT%3A000000%3BGFNT%3A0000F
F%3BGIMP%3A0000FF%3BFORID%3A1%3B&hl=en

[Flux]

You really want to cause yourself the maximum trouble.

Hugh's 8ft machine wasn't intended to be used with 10 ft blades. You will never be able to use the same coils so basing anything on Hugh's 8ft design is not going to work for the alternator. Even using 10ft blades on a machine with an offset intended for 8ft may run you into trouble.

It would of course be possible to build an alternator suitable for 10ft blades from these magnets but it will be large and the increased copper cost may well be more than the saving in magnets. As these magnets will have large holes in them they will need to be even bigger than disc ceramics. As the flux is about 1/3 of neo and the power out seems to follow the square of flux density you will be looking at something large and heavy I haven't run any figures but perhaps discs 18" diameter with lots of magnets and you may have to double up the thickness.

I would have thought that 6ft diameter was a realistic size for something manageable with those magnets.

Flux

[hiker]

even more..............

  http://www.fieldlines.com/story/2005/1/6/43743/33299

[jbear]

sorry for the delay getting back to you guys.

I only get to town every couple of weeks, NO PC at the house on line!

Yes, very sure on mag sizeing, 2 1/2" X 1/2". Have various people saving them for me where in other cases they would hit the land fill.

I do not know how to determine the "pull" of these mags to figure out how many I will need in comparison to the standard neo's so basically it will be a hit an miss build! Just by the "hand method", I can pull the 2x1/4x1 neo's off a steel plate easier then the micro-mags.

? I have no idea what I'm doing with this stuff, very little $, disabled, lots of time and lots of "stuff" to play with, I just can not play very fast. What most people will do in a couple of hours may take me a couple of days but hey, "Git-er-done"! totally off-grid by the way! Jim

[jbear]

Thanks Kurt.

 Checked this one out before and got lost in the steel stator winding stuff. Not enough info for me to grasp what he did.

Doesnt sound like it was very high on the out-put side. Gues will have to try to contact him and see if any further details are available.

[jbear]

Flux, thanks for the reply. I must beg to differ with you on the 8ft design vrs. 10ft. blades. Hugh's design/book specifically list the 8ft. machine with 10ft blades. My understanding is this option gives better start-up at lower winds.

Micro-mags, I was thinking a double stack design of 16 mags per plate (4x16=64tl.) with all else constructed to 12ft design-windings etc. To much flux (pull?) I was thinking of increasing the air gap as required at the stator/mags if we get to much pull. Weight-yep could get interesting.

I just figure I have the "stuff" so why not "recyle" it into something usefull? It doesnt have to put out no bunches of amps, 50-75 is all I need to keep the Batt's up and wind at the house is usually a constant, any where's from 5-7 on up to 65-70 mph For days! Jim