In 1922 Abner Doble developed an electro-mechanical system that reacted simultaneously to steam temperature and pressure, starting and stopping the feed pumps whilst igniting and cutting out the burner according to boiler pressure.
In 1956 Keen had used Abner Doble as a consultant in the development of the cars steam engine.
It had an Abner Doble boiler combined with a 4-cylinder compound arrangement, but an order for an additional locomotive and three railcars to a similar was later cancelled.
Engine options that were considered included an alternative fuel steam engine, based on earlier designs by Abner Doble, or a two-cycle gasoline engine with a McCulloch/Paxton supercharger.
: Sentinel recruited the American steam car developer Abner Doble to develop an advanced monotube boiler for them.
The steam motor principle owes much to the work and advocacy of Abner Doble, who was inspired by his earlier work on steam cars.
Li'l Abner | Abner Doubleday | Li'l Abner (musical) | Abner Doble | Lum and Abner | Abner Louima | Abner Shimony | Li'l Abner (1959 film) | Li'l Abner (1940 film) | Habitación Doble | Abner Weed | Abner '''S'''himony | Abner Lacock | Abner J. Mikva | Abner C. Harding | Abner Biberman |