Science olympiad summer institute phoenix az july 16 20 20112
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Science Olympiad Summer Institute Phoenix, AZ July 16 – 20, 20112. Rotor egg drop. DESCRIPTION:. Construct a helicopter type device to safely transport a raw chicken egg from a given height to the floor. EVENT PARAMETERS. Use wings/blades that rotate around a central axis to slow decent

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Rotor egg drop

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Science olympiad summer institute phoenix az july 16 20 20112

Science Olympiad Summer Institute

Phoenix, AZ

July 16 – 20, 20112

Rotor egg drop


Description

DESCRIPTION:

  • Construct a helicopter type device to safely transport a raw chicken egg from a given height to the floor


Event parameters

EVENT PARAMETERS

  • Use wings/blades that rotate around a central axis to slow decent

    • No energy producing mechanisms

    • No pre-made rotor assemblies

    • Cannot be:

      • Airplane

      • Balloon

      • Parachute


Parameters cont

PARAMETERS (cont.)

  • Grade A large chicken egg

    • Sealed in plastic bag

    • Placed in cup

      • 8 – 10 oz

      • Foam?

      • Attached to device by tape

        Egg, bag, cup, and tape provided by event supervisor


Parameters cont1

PARAMETERS (cont.)

  • Cup is 1st surface to touch the floor

    • Devices where cup does not touch floor first will be ranked below other devices where cup does touch the floor first

  • No other shock absorbing material allowed

  • Devices must fit w/in 51 cm x 51 cm x 51 cm


Competition

COMPETITION

  • Impounded before start of event

    • No modifications allowed other than to attach egg

  • Students may inspect egg

    • If cracked may request another egg

    • Once accepted if broken before drop students may receive another egg

      • 2 sec. penalty subtracted from final time


Competition cont

COMPETITION (cont.)

  • Only one drop

    • Height announced day of tournament

    • 5 meter minimum

  • Time – release time until it hits floor

    • 3 timers – MEDIAN of the 3 times

      • (the middle time is used)


Competition cont1

COMPETITION (cont.)

  • After drop student removes egg from device and gives to supervisor

  • All devices with eggs surviving will be ranked ahead of devices with broken eggs

    • even if student breaks the egg after the drop and before giving to supervisor

      • Broken egg defined by wet spot on paper towel


Scoring

SCORING

  • Highest time wins

  • Devices not meeting construction parameters will be ranked below all devices that do

  • Devices with broken eggs will be ranked below successful devices

  • Tiebreaker

    • Lightest helicopter (w/o egg, bag, cup)

  • No appeals after device leaves impound


Web sites

Web Sites

  • http://fc.niskyschools.org/~psherman/03978F9B-011EDE4C.25/HelicopterEggDropNotes.pdf

  • http://www.instructables.com/id/Amazing--Graceful-Egg-Drop-Contraption/


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