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- To: tesla-at-pupman-dot-com
- Subject: Re: Calculation of Q (Oops)
- From: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
- Date: Tue, 11 Mar 1997 07:52:03 +1200
- Organization: Wellington Polytechnic, NZ
- Priority: normal
Hi all, I'd better correct this one before I get jumped on :( Yesterday I wrote.... <snip> > Some time ago I measured a range of coils with H/D's ranging > from 5 to about 0.5, both close wound and spacewound. I scored the > highest Q (around 500 taking generator impedance into account) in a > space-wound coil of H/D=1. However, its Q dropped dramatically with > the addition of a terminal - clearly useless for TC work. <snip> I said that tongue-in-cheek. There should have been a ";)" after "TC work." From memory the Q dropped to about 300+ with a small terminal and more so with a large one but as Tesla showed, it worked just fine. Malcolm
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