...; transferred from the Ministerie van Marine (Department of the Navy), The Hague, to the museum, 1883

Object number: NG-MC-557

Model of a common four-blade propeller in a frame, mounted on a base.

This is a four-blade version of model NG-MC-555. The blades are flat. The propeller can be turned by means of a handle. The model has a pitch of 216 mm, a diameter of 173 mm; the boss is 40 mm long and has a diameter of 25 mm.

Obreen erroneously describes this propeller as parabolic.¹¹J.M. Obreen, Catalogus der verzameling modellen van het Departement van Marine, The Hague 1858, no. 557. This screw was probably tested on Samarang in 1847.²²‘Hodgson’s Parabolic Propeller in Holland’, The Mechanics’ Magazine 49, 5 August 1848, pp. 130-32.

Scale (derived) 1:10.

‘Hodgson’s Parabolic Propeller in Holland’, The Mechanics’ Magazine 49, 5 August 1848, pp. 130-32; J.M. Obreen, Catalogus der verzameling modellen van het Departement van Marine, The Hague 1858, no. 557; B.J. Tideman, Woordenboek van scheepsbouw, s.l. 1861, p. 304; A.J. Hoving, ‘Screw Propulsion’, Model Shipwright 80 (1992), pp. 58-62; A.J. Hoving, Message in a Model: Stories from the Navy Model Room of the Rijksmuseum, Florence, OR 2013, p. 196

J. van der Vliet, 2016, 'Petrus van der Loo, Model of a Four-Blade Propeller, The Hague, 1847', in J. van der Vliet and A. Lemmers (eds.), Navy Models in the Rijksmuseum, online coll. cat. Amsterdam: https://data.rijksmuseum.nl/200315826