From: gherold@teachspin.com   
      
   On Tuesday, February 27, 2018 at 4:25:16 PM UTC-5, malua mada! wrote:   
   > I need to bleed static out of a moving aluminum structure. I have a springy   
   aluminum tongue (flashing) wiping on an aluminum arm (flat stock 1").   
   > Continuity is good to start with but after a year or so fails. Wiping   
   pressure is still fine, and continuity between any two points on either tongue   
   *or* arm is fine but not between the two pieces.   
   > I thought this was an improvement on a copper wire connection that would   
   fatigue and break.   
   > I also thought it would be self cleaning.   
   > Thanks for any insights   
      
   An iridite or alodine coating on Al leaves it conducting, but I don't know   
   how long it would stand up to rubbing/ switching.   
      
   George H.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)