SYDNEY (AP) - The dramatic disintegration of a Qantas Airbus A380 jet engine during a flight in 2010 was triggered by a poorly built oil pipe that failed to conform to design specifications, ...

The idea that Harley-Davidson engines need exhaust backpressure to produce power is one of the most persistent beliefs in the motorcycle world. Riders who bolt on straight pipes often report a loss of ...

We've all heard the talk. It seems to run the gamut from, "Dude--headers are worth 100 hp," to the naysayers who snivel "Headers? They aren't worth the trouble." The truth is actually somewhere in the ...

Don't let the glorious Bow Tie horsepower fool you. Firing eight cylinders every 90 degrees in a 1-8-4-3-6-5-7-2 sequence is an inherently chaotic endeavor. Since the mass of the counterweights and ...

The exhaust system heats the tailpipe because the exhaust gases go straight from the engine into the exhaust manifold, and the temperature of the whole system becomes pretty high. However, only some ...

Thermoplastic composite pipework offers up to 50% weight savings vs. metallic pipe assemblies. Replacing 150-pipe assemblies with composites can cut 10 kg per engine, with weight savings cascading to ...