Recent content by ziplinegirls

  1. Z

    High School ZIPLINE PROJECT, make object travel 7.4 meters and back on a horizontal zipline

    no we cannot use motors or the table mass system
  2. Z

    High School ZIPLINE PROJECT, make object travel 7.4 meters and back on a horizontal zipline

    hey , yea we can use springs, compressed air bottles, idk about CO2 cartirdges, probably not though. we can use pulleys, wieghts too.
  3. Z

    High School ZIPLINE PROJECT, make object travel 7.4 meters and back on a horizontal zipline

    HELP PLEASE! I have to create an object that will travel a straight, horizontal zipline of 7.4 meters, and then travel back .4 meters to the starting point.. The object has to be all mechanical (no electric power source) and can't weigh more than 2 kg. It also has to be pretty cheap ($50) to...