Plastic Boomerangs

 

Code Number: 2C20.55

Demo Title: Boomerang

Condition: Good

Principle: Coanda Effect, Bernoulli's Principle

Area of Study: Fluids

Equipment: 

Plastic Boomerang

Procedure:

The boomerangs are for show and tell only in the classroom.  To actually fly them requires a space at least three times larger than LR1.

References:

  • Yasuo Ogawara, "A Spherical Boomerang", TPT, Vol. 47, # 8, p. 555, Nov. 2009.
  • Michael Hanson,  "The Flight of the Boomerang",  TPT, Vol. 28, # 3, p.  142, March 1990.
  • Henk Vos,  "Straight Boomerang of Balsa Wood and Its Physics",  AJP, p. 524, Vol. 53, No. 6, June 1985.
  • Allen L. King, "Project Boomerang", AJP, Vol. 43, # 8, Aug. 1975, p. 770.
  • George M. Hopkins, "Gases", Experimental Science, p. 112.
  • Carson I. A. Ritchie, "The Boomerang", Making Scientific Toys, p. 81.
  • Charles Vivian, "Make a Boomerang", Science Experiments & Amusements For Children, p. 42.
  • Martin Gardner, "Make a Boomerang", Entertaining Science Experiments with Everyday Objects, p. 93.
  • Janice VanCleave, "97, Boomerang", Teaching the Fun of Physics, p. 147.
  • "Boomerangs and How to Make Them", The Boy Mechanic Saves the World, p. 147, ISBN 978-1-58816-772-9.
  • "Boomerangs and How to Make Them", The Boy Mechanic, p. 244, ISBN 978-1-58816-509-1.
  • Jearl Walker, "2.9, Boomerangs", The Flying Circus of Physics Ed. 2, p. 86.
  • Ed Sobey, Woody Sobey, "Boomerang", The Way Toys Work, p. 24.
  • Cy Tymoney, "Sneaky Boomerang", Sneakiest Uses for Everyday Things, p. 30.
  • Cy Tymoney, "Sneaky Mini Boomerang", Sneakiest Uses for Everyday Things, p. 32.
  • Jearl Walker,  "Boomerangs! How to Make Them and Also How They Fly",  The Amateur Scientist,  March 1979.
  • Jearl Walker,  "More on Boomerangs, Including Their Connection With the Dimpled Golf Ball",  The Amateur Scientist,  April 1979.
  • Dan Drollette, "Spin Master", Popular Mechanics, August 2007, p. 84.
  • The Book of Unusual Knowledge, Publications International, Ltd., "Sorry, Mates, but Aussies Didn't Invent the Boomerang", Chapter 15, p. 466.
2C20.55 - Boomerang