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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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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