
author
An early technical writer on engines, best known for clear, practical books about petrol and aeronautical engines in the early 20th century. His work helped explain how these machines were designed, built, and made to run efficiently.
Francis John Kean wrote practical engineering books during the early 1900s, focusing on internal-combustion and aircraft engines. The works reliably linked to him include The Petrol Engine and Aeronautical Engines, both of which present the mechanics of engine design in a textbook style aimed at explaining real working parts and systems.
Available catalog and public-domain records show The Petrol Engine was published in 1915, and the book was substantial enough to be preserved by both Project Gutenberg and the Online Books Page. The surviving descriptions consistently present it as a detailed guide to design, construction, carburetion, ignition, lubrication, and related engine problems, with special attention to the two-stroke engine.
Very little confirmed biographical information about his personal life appears in the sources I could verify, so the picture that survives is mainly through his books. Even so, those books suggest a writer deeply interested in making complex machinery understandable to students, mechanics, and technically curious readers of his time.