10C10.20 - Propeller on a Stick - Hand Helicopter
Rub hands together with stick in between them to build up rotation in the propeller. When you slide hands far enough propeller will automatically release and fly into the air.
- Said Shakerin, "Helicopter Toy and Lift Estimation", TPT, Vol. 51, #5, May 2013, p. 310.
- George M. Hopkins, "Inertia of Air", Experimental Science, p. 109 - 112.
- A. D. Bulman, "13, The Propeller", Model-Making for Physics, p. 73 - 75.
- R. W. Pohl, "(7)", Physical Principles of Mechanics and Acoustics, p. 210 - 211.
- Carson I. A. Ritchie, "Orthocopter", Making Scientific Toys, p. 69 - 71.
- Jodi and Roy McCullough, "Newton's Third Law with a Sky Dancer", The Role of Toys in Teaching Physics, p. 4.70 - 4.71.
- Robert Ehrlich, "6.9, Propeller on a Stick", Why Toast Lands Jelly-Side Down, p. 109 - 110.
- Joey Green, "Paper Helicopter", The Mad Scientist Handbook, Vol. 1, p. 65 - 66.
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