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Alkett VsKfz 617 / NK-101 Minenräumer - Alkett VsKfz 617 / NK-101 Minenräumer was a unique vehicle designed to clear mines. Built in Germany during WWII, the heavily armored machine would detonate mines by rolling over them.
Archdeacon (Buchet) Aéro-motocyclette - The aéro-motocyclette was a propeller-driven motorcycle built in France before any powered flight had taken place in Europe. Conceived by Ernest Archdeacon, the machine tested the efficiency of various propellers.
Brayton Ready Motor Hydrocarbon Engine - George Brayton was a pioneer of the internal combustion engine and built commercially available engines starting in 1872. However, his constant-pressure cycle engines were outperformed by later engines.
Christie Inline Engine Race Cars - From 1903 to 1906, J. Walter Christie developed a series of front-wheel drive race cars, each powered by a four-cylinder inline engine. The 1905 car was even fitted with a second engine and all-wheel drive.
Christie V-4 Engine 1906 Racer - J. Walter Christie’s first V-4-powered, front-wheel drive racer was run in 1906. Powered by a 100 hp (75 kW) engine that displaced 1,260 cu in (20.7 L), the racer was destroyed while testing for the Vanderbilt Cup.
Christie V-4 Engine 1907 Racer - In 1907, J. Walter Christie took his latest V-4-powered, front-wheel drive racer to Europe and participated in the French Grand Prix. Upon his return, Christine and others continued to race the car around the US.
Christie V-4 Engine 1909 Racer - J. Walter Christie’s final front-wheel drive racer was the most powerful. The V-4 engine displaced 1,237 cu in (20.3 L) and produced around 200 hp (149 kW). The car was run for several years by Barney Oldfield.
Chrysler A57 Multibank Tank Engine - To cut development time, Chrysler combined five automotive engines to create the 30-cylinder A57 Multibank engine to power the M4A4 Sherman tank during WWII.
Djelmo Land Speed Record Car - Built in France by Italian engineer Edmond Moglia and funded by Egyptian Prince Djelaleddin, the Djelmo car was intended to set a world speed record in Britain driven by Italian Giulio Foresti.
Duesenberg-Milton Land Speed Record Car - Built solely to set speed records, the twin-engine Duesenberg-Milton record car set a US speed record of 156.046 mph (251.131 km/h) in 1920 that was not surpassed internationally until 1926.
Inside the Cylinder of a Diesel Engine – by Harry Ricardo - Sir Harry Ricardo was one of the foremost engine designers and researchers of the internal combustion engine. In this article, he takes us through the first moments of combustion in a diesel engine.
Jenkins Duesenberg Special / Mormon Meteor II - Ab Jenkins teamed up with Duesenberg Inc. and created a special endurance record car called the Duesenberg Special. The car was later modified and renamed the Mormon Meteor II.
Jenkins Mormon Meteor III - Following the Mormon Meteor II, Ab Jenkins and Augie Duesenberg built another special endurance record car called the Mormon Meteor III. Sixty years after its last record run, the car still holds about a dozen records.
Lockhart Stutz Black Hawk LSR Car - In 1928, Frank Lockhart built a land speed record car known as the Stutz Black Hawk Special. The car achieved record-setting speeds, but was destroyed in a crash that killed Lockhart.
Mercedes-Benz T80 (Type 80) LSR Car - Powered by a 3,000 hp (2,240 kW) DB 603 aircraft engine, the Mercedes-Benz T80 was built to capture the world land speed record for Germany. Because of WWII, the car was never finished.
Mercedes-Benz W154 Record Car - Mercedes-Benz modified one of their W154 Grand Prix race cars to set 1 km (.6 mi) and 1 mile (1.6 km) standing start speed records on a specially prepared section of the Autobahn in 1939.
Michel Opposed-Piston Diesel Engines - Starting in the 1920s, German engineer Hermann Michel designed a series of opposed-piston engines. Michel’s ultimate design was an engine in which three pistons converged in a common combustion chamber.
Monaco Trossi 1935 Grand Prix Racer - The Monaco Trossi Grand Prix racer of 1935 was one of the oddest Grand Prix race cars ever built. With its 16-cylinder, two-stroke engine and front-wheel drive arrangement, the car proved too unstable to race.
Perrier-Cadillac 41-75 Tank Engine - French engineer Robert Perrier combined three Cadillac engines to create the Perrier-Cadillac 41-75 “Clover Leaf” tank engine to power the Australian Cruiser Tank Mark III.