73756da2   
   From: phil_a@tpg.com.au   
      
   "Andre Jute"   
   >I want to replace a globe in a projector with a resistor for   
   > experiments with micromirrors built into the box. I can't measure the   
   > hot resistance of the globe, because I can't get in. The globe is   
   > rated 180W and it's some type of mercury vapor. At the moment the box   
   > is away for mods, so that's all the info I have.   
   >   
   > Two questions here. What value resistor, and what rating?   
   >   
   > And no, I haven't yet worked out whether just bypassing the globe,   
   > like bypassing a switch, will do the job.   
   >   
      
   ** The bulb is almost certainly a "metal halide" discharge lamp.   
      
    http://en.wikipedia.org/wiki/Metal_halide_lamp   
      
    Bit like a fluoro tube on a massive dose of steroids.   
      
      
      
   ....  Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)