MESA DAY

EVENT:SAIL CARS CONTEST
LEVEL:SENIOR HIGH SCHOOL
TYPE OF CONTEST:TEAM
COMPOSITION OF TEAM:2 STUDENTS PER TEAM
NUMBER OF TEAMS:3 TEAMS PER CENTER

OVERVIEW: To design and construct a car with a sail within 30 minutes and is powered by blowing for 10 seconds and travels the farthest.

MATERIALS: To be supplied by Host Center.

  • ten (10) drinking straws (approximate size 7 3/4" L x 1/4" diameter)
  • four (4) beads with large holes for straws to pass through (approximately 1" diameter with a 3/8" diameter hole)
  • one (1) sheet 8 1/2 x 11-inch paper
  • straight pins
  • scissors

RULES OF CONSTRUCTION:

  1. Only above listed materials are allowed; absolutely no substitutions.
  2. Car may contain up to 4 wheels (beads), 10 straws, and one "sail" (sheet of paper). There is no limit on the number of straight pins that may be used.
  3. Paper and straws may be cut with scissors provided.
  4. Contestants have 30 minutes to construct car. Late starters will not be allowed extra time to finish. Any modifications made to cars after 30 minutes is up will disqualify entry.

RACING GUIDELINES:
  1. At race time, sail car is placed with its back wheels on starting line.
  2. After start signal is called, one student from team will blow on sail car for 10 seconds. Student is permitted to travel with the car for 10 seconds.
  3. During the race, student may not touch any part of sail car. Only blowing on the car is permitted. If a car tips over or spins out, it must not be touched; however, sail car may be blown back into an upright position, or may be blown in the direction of the finish line.
  4. When 10 seconds is up, "time" is called and blowing must stop immediately. Once "time" is called, sail car must coast to a stop on its own.

JUDGING:

  1. At end of race, distance is measured from start line to the wheel closest to the starting line.
  2. Each sail car will be judged only once.
  3. Sail car that travels the farthest distance is the winner.

AWARDS:

  1. First Place: Longest distance.
  2. Second Place: Next longest distance.
  3. Third Place: Next longest distance.

ATTACHMENTS: None


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This page is under development by Kamau Bob and Prof. Alice Agogino.

Last updated: 7 June 1997.