... an engine that was to make the mass production and common use of the motorcycles possible" (Thorpe 2). The engine was small, light and a four-stroke. It had a battery and coil ignition instead of a hot tube. A lubrication system was invented to drip oil in metered doses. Soon the engine was ... do not have valves, which simplifies their construction and lowers their weight. This makes the two-stroke engine lighter, simpler and less expensive to manufacture and repair. The piston, cylinder, and crankcase serve dual roles in developing power" ("Motorcycle Mechanics" 74). The engine is made...

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• Approx Pages: 8
• Has Bibliography
• Grade Level: High School

... It was also a very big seller and was easy to maintain. In 1934 BMW took to work on their new 845cc four-cylinder engine. It had a 80mm stroke and a 58mm bore. This gave it 22BHP and a 50mile per gallon (MPG) fuel usage. BMW abandoned the four cylinder concept till the early 1960's when ... put more metal between cylinders and had wider main bearings than the early four cylinders. In April 1934 BMW announced the creation of a long stroke six cylinder. They had a power output of 34BHP. This same motor was made into a triple carbureted version that gave it 40BHP. In 1935 Germany removed the...

• Word Count: 1695
• Approx Pages: 7
• Grade Level: High School

... block, heads, and intake are all aluminum, which is great for heat dissipation and weight savings. This engine is also built on the great bore and stroke combination of about 350 cubic inches, the LS-1 is actually 347 cubic inches because Chevy decided to decrease the bore size a little bit. This was so ... they could increase their stroke just a little bit due to economic purposes. This engine is Chevy's most advanced small block ever and they produced this engine for their performance cars on ... half consists of 75% of the moving parts in an engine. This is where the power for any e...

• Word Count: 1640
• Approx Pages: 7
• Has Bibliography
• Grade Level: High School

... only engine used on aircraft until the late 1940's when the jet engine proved to be superior in all aspects. The four stroke piston engine is the type of engine normally found in a car but types of piston engines also power boats and planes. The four "strokes" are INDUCTION, COMPRESSION, COMBUSTION, EXHAUST (or suck, squeeze, pop, blow). The combustion chamber consists of ... it going a maximum of mach 5. A hypersonic plane with these kind of engine will use a turbojet which takes the craft to mach 1, then the engine turns into a ramjet (which provides more power, and reduces the need t...

• Word Count: 2065
• Approx Pages: 8
• Grade Level: High School