western
Physics and Astronomy

                                   
Bionic Arm
Objective Each team will construct a mechanical arm prior to the contest which will be able to perform a series of useful functions.
Purpose Explore mechanical and electrical engineering.
Participants: Teams of up to four.
Materials The bionic arm may be constructed from any materials and will be powered by any mechanical or electrical means (or a combination of both).
Rules
  • The device should be constructed to perform a series of functions such as lifting objects, pouring water or throwing objects etc...
  • A small competition will be set up in which each team's operator will be required to perform the functions - in case of a tie, for example in the lifting objects contest, the team whose arm can pick up the smallest object or heaviest, will rate the highest.
  • Judging

    The device will be judged for its strength, ingenuity of design and its performance.

      Criterion Weight Rating Total (Max)
      Design and Ingenuity 4 50  40  30  20  10 200
      Speed 1 180 sec - time 179
      Accuracy 1 Volume of liquid delivered (ml) 250
      Total     629
       
    Source Youth Science Foundation Science Olympics Manual.

    Example
    Objective Each team will construct a mechanical arm which can grasp, raise, lower, extend, pivot and swing left and right. The task will be to grasp a standard coke can containing 250 ml of water, to pour the water into a cylinder and return the empty can to its starting position.
    Purpose  
    Participants Teams of up to four.
    Materials The bionic arm may be constructed from any materials and will be powered by any mechanical or electrical means (or a combination of both).
    Rules
  • The coke can will be placed 10 cm from the leading edge of the base of the arm and on the same level.
  • The cylinder will be located 10 cm to the right and 10 cm further out from the coke,can and will have an opening of 4 cm.
  • The arm must be made by the contestants (no kits of commercial robots) and must be fully assembled prior to the judging.
  • The arm may be powered by any means so long as the device and the power supply (which may be the operator) are totally self contained. That is outside taps, fans, electrical input etc... may not be used. Batteries may be employed.
  • The arm must be controlled remotely and the bulk of the apparatus must be below the top of the coke can at the start.
  • Judging

    The device will be judged for its strength, ingenuity of design and its performance.

    Source Youth Science Foundation Science Olympics Manual.

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