Tag Archives: Abner Doble

The Doble Model A & B Prototypes

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  • Abner Doble at the wheel of his Model “B” roadster

The Doble brothers’ dedication to the use of steam power in automobiles bordered on the fanatical. Long after others had abandoned the concept, their continued devotion to the type would eventually result in some of the most remarkable steamers ever produced.

Our article today deals with their earliest efforts. Together, they assembled the little buckboard seen below between 1906 and 1909 while still in high school, using components salvaged from a wrecked White but incorporating an engine of their own design.

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  • Brothers Warren and Bill Doble in their earliest steam car

With the assistance of his brother John, Abner completed his Model “A” in 1912, seen below, after dropping out of the Massachusetts Institute of Technology. The second prototype, the Model “B”, incorporated many innovative features. The use of a honeycomb radiator to re-condense used steam virtually eliminated water loss, dramatically reducing the need for refills.

A twenty-five horsepower engine enabled it to reach a top speed of 75 miles per hour with a zero to sixty time of 15 seconds, a blistering pace for a road car at the time. The full mechanical details of this car can be found in The Automobile magazine at the bottom of this post.

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  •               The Doble Model “A” made in Waltham, Massachusetts

Abner drove a Model “B” from Boston to Detroit in 1915 with the goal of attracting investors. He was able to raise $200,000 with which he established the General Engineering Company to produce a new car in 1917, the ill-fated Doble-Detroit. The design incorporated still more advanced features including simplified controls, electric firing, and a very rapid start up.

It was initially well received but issues with quality control and production are said to have kept it from living up to its potential. It was Doble’s contention that war time material shortages contributed to these failings. You can find more steam related information and photos on The Old Motor. Photos courtesy of The Bancroft Library.

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  • Articles above from “The Automobile” of April 9, 1914 and September 17, 1914

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Planes, Trains and Automobiles of the Besler Brothers – Part I

Steam-powered machines have not been covered lately in any detail here on The Old Motor, so we picked an interesting story on three forms of travel by this type of motive power.

The Besler Brothers were involved with the plane, train and the automobile, but do not appear to have built any from the ground up. After buying out the Doble Steam Motors Company after it failed, they continued on with its development of that car with with Abner Doble. Next they turned to the airplane and finally we will show a locomotive they rebuilt with a new form of steam engine that you will learn about in Part II.

First off is a short newsreel film (above), where you will see a Travel Air plane the Beslers and Doble adapted to operate on steam power, watch it fly and also learn quite a bit about it.

Above is an illustration from the British journal Flight showing the steam power plant installed in the nose of the Travel Air biplane.

This famous airplane was based on a Travel Air biplane and flew at least several times at the Oakland, CA., Airport during 1933. It was powered by a two-cylinder, 150 hp vee-twin steam engine that was designed by the Besler’s and Abner Doble. The complete unit including the burner, boiler and controls weighed in at about 500 lb. One benefit to the steam engine in an airplane, was the ability to change its direction very quickly and use the reverse thrust of the propellor for quick stopping. It has been stated that in landing at 50 mph, the craft could come to a stop within 100 feet.

Photo (above) courtesy of  Virtual Steam Car Museum, where you can see more photos of the aircraft and engine development.

You can also learn more about this craft in excellent coverage of it, complete with photos and illustrations, which were in the July 1933, issue of Popular Science at Modern Mechanix. In our next post Part II, we will cover the Besler Steam Train. If you enjoy reading and learning about steam we have many more posts here on The Old Motor all about steam-power. 

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