PYROSCAPHE (France)

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D. v. Nieuwenhuijzen
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Joined: Fri Sep 24, 2010 7:46 pm

PYROSCAPHE (France)

Post by D. v. Nieuwenhuijzen » Fri Jan 13, 2017 8:43 pm

Pyroscaphe was an early experimental steamship built by Marquis de Jouffroy d'Abbans in 1783. The first demonstration took place on 15 July 1783 on the river Saône in France. After the first demonstration, it was said that the hull had opened up and the boiler was letting out steam, faults common in early steamboats. In this case, it seems to have been easily repaired as the boat was said to have made several trips up and down the river. A month later, on 19 August, the boat carried several passengers who signed a witness protocol for a successful journey.

Built of wood at Ecully, near Lyons, Length: 13 m. Beam: 4,5 m. Displacement: 163ton, Complement: 3.
The Pyroscaphe was propelled by a horizontal double-acting steam machine, diameter 25.6” (0.65m.) by 77” (1.956m.) stroke, constructed by Messrs. Frérejean & Cie., Lyons, it was enclosed in the boiler and its piston rod was connected to a double ratchet device to produce the continuous rotating motion of the side paddle-wheels, diameter 13.1’(3.99m.) and had 8 radial paddles or floats each.

(France 2016, €1.25, StG.?)
Internet + book From Paddle-steamer to Nuclear Ship by W.A. Baker.
Attachments
pyroscaphe.jpg
pyroscaphe 2.jpg

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