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Test models 'Swan' and 'Raven', 1867.

McKinnell, Ian

 
Test models 'Swan' and 'Raven', 1867.
4 0 c m
 
32cm
actual image size: 24cm x 32cm

Description

A pair of 6 ft models. In the 19th century, two problems of ship hydrodynamics were given particular attention: stability and resistance. William Froude was the person most asociated with fundamental advances in both these areas. He used a steam launch to tow variously sized models of the 'Swan' and the 'Raven' to test resistance, using a dynamometer to record the results. The models were built from his observations on the form of water birds. The sharp-ended 'Raven' was more resistant than the bulbous 'Swan', regardles of scale.

Image Details

Artist
 
Image Ref.
 
10276080

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