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Old 09-14-2011, 08:52 AM
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wa2ise wa2ise is offline
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Quote:
Originally Posted by Winky Dink View Post
From the tables, I calculated that 33.4 feet would give me the specified 35 ohms. From my estimate of the coil circumference, that would be about 285 turns. unwinding the coil yielded approximately 42 feet of wire, but I couldn't count the actual number of turns.
Is it part of a tuned circuit? If so, be prepared to add or remove turns to get the inductance right. The number of turns would be more important than the resistance. Or discreetly hide an adjustable ferrite core inside so you can adjust it. The ferrite core would let you use fewer turns too.
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