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John Walter Christie (May 6, 1865 – January 11, 1944) was an American engineer and inventor. [1] He is known best for developing the Christie suspension system used for several World War II-era tank designs, most notably the Soviet BT and T-34 [3] tanks series, and the United Kingdom Covenanter and Crusader Cruiser tanks, as well as the Comet heavy cruiser tank.
The Christie suspension is a suspension system developed by American engineer J. Walter Christie for his tank designs. It allowed considerably longer movement than conventional leaf spring systems then in common use, which allowed his tanks to have considerably greater cross-country speed.
The Christie M1931, known as the Combat Car, T1 in US Cavalry use and Medium Tank, Convertible, T3 in Infantry branch, was a wheel-to-track tank designed by J. Walter Christie for the United States Army using Christie's ideas of an aero-engine and the novel Christie suspension to give high mobility.
Christie used the experience gained before and during World War I to develop his "Convertible Suspension", which allowed a vehicle to run on either tracks or wheels. Most tanks of the time period weren't durable enough to be drive to the front on their own, so instead were delivered by trucks and then driven to where they were needed.
The Christie Direct Action Motor Car Company was a New York City-based automobile manufacturer. It was founded by race driver and inventor J. Walter Christie in 1904, and lasted until 1910. [ 1 ] [ 2 ]
The Tank, Cruiser, Mk III, also known by its General Staff specification number A13 Mark I, was a British cruiser tank of the Second World War.It was the first British cruiser tank to use the Christie suspension system, which gave higher speeds and better cross-country performance; previous cruiser tank models had used triple wheeled bogie suspension.
The following team was chosen to represent America: Joseph Tracy (90-hp. Locomobile), Hubert LeBlon (115-hp. Thomas), H.N. Harding (50-hp. Haynes), Frank Lawell (110-hp. Frayer-Miller), and J. Walter Christie (50-hp. Christie). "Only the first three covered the full course, and Lawell and Christie were given places on the team; the former ...
Walter Christie may refer to: Walter Christie (mayor) (1863–1941), founder, and mayor, of Bergenfield, New Jersey; Walter Christie (physician) (born 1942), American physician and novelist; Walter John Christie (1905–1986), British colonial civil servant; J. Walter Christie (1865–1944), American engineer and inventor