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| To: | <[email protected]> |
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| Subject: | LF: RE: RE: COIL WINDING THOUGHT |
| From: | "James Cowburn" <[email protected]> |
| Date: | Tue, 8 Jun 2010 16:53:07 +0100 |
| In-reply-to: | <[email protected]> |
| References: | <002001cb070c$99d44b20$0401a8c0@xphd97xgq27nyf> <BF4A524700075746A6467658DFC7102C5107CB1263@ICTS-S-EXC2-CA.luna.kuleuven.be>,<004201cb0713$7c295e10$0401a8c0@xphd97xgq27nyf> <BF4A524700075746A6467658DFC7102C5107CB1264@ICTS-S-EXC2-CA.luna.kuleuven.be> <02c701cb071b$26cbc130$0217aac0@desktop> <006a01cb071e$25de2580$0401a8c0@xphd97xgq27nyf> <[email protected]> |
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Pardon?? :-) -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Chris Trayner Sent: 08 June 2010 16:34 To: [email protected] Subject: LF: RE: COIL WINDING THOUGHT > If I see smoke and hear a bang I will know that you mean business. You could also put a small steel plate in line with the coil to monitor current - the mag field will pluck it like a speaker. Tune for maximum sound rather than maximum smoke! (It would be worth putting a small permanent magnet on it, or it will be pulled by both half cycles and will sound at just under 18kHz, higher than most adults can hear.) 73, Chris G4OKW |
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