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Doble made two further steam engines, designated models G and H. These were larger units and used experimentally in several buses. The first were tested in 1926 by International Harvester, using a Doble Model G engine, and the Detroit Motorbus Co, in a double-decker, with a Doble Model H engine. A second Detroit bus had a Doble steam engine ...
Abner Doble (March 26, 1890 – July 16, 1961) was an American mechanical engineer who built and sold steam-powered automobiles as Doble Steam Cars. [1] His steam engine design was used in various automobiles from the early 1900s, including a 1969 General Motors prototype and the first successful steam-powered aeroplane.
In 1931 Doble was employed as a consultant by A & G Price of Thames, New Zealand to construct a steam engine for buses. Four were built in 1931, [28] but plans were shelved as the depression deepened and the Auckland bus was too heavy for the roads. [29] However, two 1932 reports described progress with construction. [30] [31]
Apart from Brooks of Canada, all the steam car manufacturers that commenced between 1916 and 1926 were in the United States. Endurance (1924–1925) was the last steam car manufacturer to commence operations. American/Derr continued retrofitting production cars of various makes with steam engines, and Doble was the last steam car manufacturer.
Abner Doble helped A & G Price develop a steam engine for buses at the Thames workshops. [14] The first engine was trialled by the Auckland Transport Board in the early 1930s. A second bus was made in 1932 for White and Sons for the Auckland Thames route. [15] In 2004 a precision-formed yacht keel division was set up to make the Maximus canting ...
The first experimental steam-powered vehicles were built in the 18th and 19th centuries, but it was not until after Richard Trevithick had developed the use of high-pressure steam, around 1800, that mobile steam engines became a practical proposition. The first half of the 19th century saw great progress in steam vehicle design, and by the ...
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In 1930, Nathan C. Price joined Doble Steam Motors, a manufacturer of steam engines for cars and other uses. Over the next few years he worked on a number of projects and starting in autumn 1933 began working on a steam turbine power plant for aircraft use. Steam generation at high altitudes required air to be pressurized to sea level pressure ...