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Model of a Two-Blade Parabolic Propeller
Public domain

Model of a Two-Blade Parabolic Propeller

anonymous · 1844 · wood (plant material); brass (alloy)

From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.

About this work

Model of a two-bladed parabolic screw in a frame on a baseboard. The pressure surface of the screw blades is curved in the shape of a parabola. The screw probably does not belong in this frame, where a much larger screw could fit. The model has a diameter of 85 mm, the hub has a diameter of 8 mm and is probably too long in proportion to the true size to fit in the frame. Scale 1:20 (derived).

Rijksmuseum, Amsterdam’s own description
Subjects
presentation model
Credit lineModel of a Two-Blade Parabolic Propeller. 1844. anonymous. Rijksmuseum, Amsterdam. Public domain.
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