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sb220 plate volts




 
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K5UJ
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« Reply #25 on: June 09, 2010, 12:57:24 PM »
Quote from: WD5JKO on June 09, 2010, 09:12:17 AM

   I do like the series rheostat idea although it is rather lossy. Also take Carl's buck transformer idea and make it variable with a tapped transformer with a rotary switch. Clark, any chance you got a Lionel train power pack (the ones with AC output)?  Grin


Credit for that should go to WB6IYH because he was first to suggest it.  I just expanded on it.  Good idea having switched primary taps.
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