[TR] I give up

[DLylis at aol.com]

My ammeter has an oval loop of (maybe) 10 gauge solid wire connected to two  
posts that then go to spade connectors in the back.  Above that is a little  
"butterfly" of very thin steel that rotates on a pin to which is attached  the 
indicator needle.  Quite obviously by some process that is beyond my  
knowledge, as current flows through the heavy wire a magnetic field is set up  that 
varies based upon the load being greater or less than the supply.   Therefore 
the little butterfly wings are attracted (or repelled?) by one  end of the oval 
loop or the other making the needle indicate + or - on the  gauge.  How am I 
doing? 
 
I think that there was probably a film of crap on the oval loop and the  
butterfly that interrupted the working of the gauge.  The last time I  "fixed" it 
it worked for a day. As I said before, stay tuned.
 
David  Lylis
69 TR6 CC26160L
60 TR3A TS74461LO
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