Drinking Bird / Thermodynamic Heat Engine

$18.00 (Fixed Shipping Cost)

Product Overview

Drinking Bird / Thermodynamic Heat Engine

Bird Version: Chinese craftspeople circa 1910 / Miles V. Sullivan 1945 / Robert T. Plate patent 1947 / Copernicus Toys

Glass, Methylene Chloride, Metal, Plastic, Feather

[H 7" ]

WOW! Thermodynamics & Pressure Differentials! Enjoy This classic physics demonstration in a handy duck shape. This thirsty bird perpetually bobs long as it has a glass of water to dunk in. This is not a toy ages 14+ / Caution: Glass

Note: liquid colour may be blue or red

Drinking birds, also known as insatiable birdies, dunking birds, drinky birds, water birds or dipping birdsare heat engines that mimic the motions of a bird drinking from a water source. Source: Wikipedia

The Robert T. Plate patent 1947: