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    Re: FW: Avoiding collision.
    From: Jared Sherman
    Date: 2003 Oct 9, 22:35 -0400

    Doug-
      that explains the confusion. A "wiper" wipes up the oil, a 
    "whipper" sounds like someone hired to whip the ends of lines. Or, 
    misbehaving crew.
    
     On LED lights: Great for commercial vessels and boats that will be running a 
    lot at night, where regular changing of the bulbs is an issue. Most sailboats 
    change light bulbs every 5+ years, and the costs of LEDs make them still 
    uneconomical. The good bright ones can costs $3-5 each and need 20-40 to 
    replace one 79 cent tungsten bulb. (To get the same wide beam angle both 
    horizontally and vertically.)
    
     But the price of LED's and LED arrays keeps dropping.
    
    
    

       
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