[Amps] Core wrapping?

W7RY w7ry at arrl.net
Wed Nov 12 17:50:23 EST 2008


Hey Tom...
I did not tape each core. Just tape all 3 cores together.

And yes, I still owe you some pictures! :)

73
Jim W7RY

  ----- Original Message ----- 
  From: TMorton 
  To: amps at contesting.com 
  Sent: Wednesday, November 12, 2008 9:31 AM
  Subject: [Amps] Core wrapping?


  Am in the process of building up a 8877 amp and now working on the Tank 
  Circuit coils....I am pretty much following the ARRL Handbook 2006 for 
  L4 and L3 (160,80m). to handle the high power, I am using 3x T300-2 
  cores with #10 Teflon silver wire and 3x T225-2 cores w/teflon, etc. My 
  question is when 'stacking' the cores do I stack the 3 cores then wrap 
  the fiberglass tape around them OR do I individually wrap each of the 3 
  cores with the glass tape then do an additional wrap over the 3 of them 
  together?
  Tnx
  73
  Tom
  CX7TT
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