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Fisher and Paykel Bedini motor?

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  • #31
    Hi Geoff, welcome

    Ive had a look at one of these motors, there are several options one could choose, all varying in difficulty in certain areas. If you wanted to stick as true as possible to the original Bedini SG parameters I guess you would make a custom rotor, of non magnetic composition, with all north poles facing inward, aligned to your phases etc. Triggering would have to be done with an extra component, unless you wound trigger coils, or perhaps cut each winding and make all coils separate, not all series connected. You would need alot of transistors for a circuit like that. I could ramble on all day about different ways you could dissect it.

    I would like to get a look at the original circuit that drives this thing. Surely it is over complicated, with timing functions and reverse spin etc, but it would be great if we could jack into the original hall sensors, and use the original motor. This way you could get one running with three transistors, one for each phase. And if you use MJL's you will be able to push them pretty high Id also be keen to see what sort of switching arrangement they use.

    I talked to a guy called Paul from NZ (I think he posted above?) recently who was very interested in this, I believe hes done a few. Im posting one to a friend of mine, I have another that I think I may tinker with.
    "Once you've come to the conclusion that what what you know already is all you need to know, then you have a degree in disinterest." - John Dobson

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    • #32
      Fisher and Paykel as a single phase generator

      Im working on my thesis regarding F and P to be used as a generator, it actually works, so now im working to rewing it, to produce a single phase, 200w, 230v having an rpm of 500-600. can anybody help me with this?? pls help me with computations and concepts, will greatly be appreciated.

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      • #33
        Fisher&paykel motors

        Originally posted by ashtweth View Post
        Hi guys sorry just got in, K tai61, try this for an easy step by step wind ill conversion The Back Shed There is another site which has metal re enforcing available for it
        EcoInnovation

        @Matt, i could buy one and ship it up to you, however this thing weighs over 7 kg Ill keep trying to find a link for the usa ones, i think i saw one once Bro. Yup gonna try this no matter what guys, i see Rick just did a new monopole energizer multi coil kit, i want to trial this on a water fuel cell so i have other sinister motives for this
        I got mine from the scrap yard for $20.00us$ the whole machine took it apart and recycled the scrap I didn't need! get them before they crush them and I got $8 bucks back from the scrap $12 bucks not bad huh. on the internet for brand new parts would have cost me around $500 bucks not bad indeed. go to your nearest junkyard it's a smorgasbord of parts. I even picked up three phase motors worth hundreds of dollars for a few bucks.

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        • #34
          Originally posted by PlanetPresident View Post
          I got mine from the scrap yard for $20.00us$
          The stator from a motorcycle alternator may do the job.
          Attached Files

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