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Re: Cutting torroidal cores



Original poster: "Ben McMillen by way of Terry Fritz <teslalist-at-qwest-dot-net>" <spoonman534-at-yahoo-dot-com>

Hi Ed,
   The rotor is about 3/8" of an inch thick (slightly less
actually).. that's the reason for the large gap.. I'll be
sure to check out tesla's design.. this is just a
preliminary test to see if we can make it work.. So far, we
haven't had time to work the numbers so we're not sure
exactly how much power we'll produce.. but it's only been
the first 2 weeks of the semester.. ;) If anyone is
interested, I can keep them posted with my progress.. ;)

Coiling In Pittsburgh
Ben McMillen

--- Tesla list <tesla-at-pupman-dot-com> wrote:
 > Original poster: "Ed Phillips by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <evp-at-pacbell-dot-net>
 >
 > Tesla list wrote:
 >  >
 >  > Original poster: "Ben McMillen by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <spoonman534-at-yahoo-dot-com>
 >  >
 >  > Thanks to all for the posts so far.. ;)
 >  >
 >  > As for the wide gap, these cores are going to be used
 > as
 >  > c-core electromagnets in a machine known as a
 > homopolar
 >  > generator. Not necessarily tesla coil related, but I
 >  > figured that this was the best place to find out how
 > to
 >  > make the cut. It's part of an independent project that
 > I'm
 >  > working on with a friend (and possibly a senior
 > project ;)
 >  > ) We hope to be able to use it to power a rail gun..
 > :-D
 >  >
 >  > Coiling In Pittsburgh
 >  > Ben McMillen
 >
 > 	The 1/2" gap seems excessive for this application,
 > unless you are using
 > mighty thick rotors.  How much power do you hope to
 > generate, and what
 > prime mover are you going to use?  Have you looked at
 > Tesla's design
 > patent for a very clever two-rotor HP generator?
 > Minimizes brush
 > friction for the outer edge of the rotor.  If not, I
 > suggest you look it
 > up (don't have the patent # in my brain) and consider
 > giving it a try.
 >
 > Ed
 >
 >