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Engine


— Space

Engine running on frozen carbon dioxide may power mission to Mars

By - March 10, 2015 1 Picture
Future missions to Mars may well be powered by carbon dioxide fueled engines, thanks to a recent prototype developed by Northumbria and Edinburgh Universities. Exploiting a phenomenon known as the Leidenfrost effect, researchers hope that their engine could be powered by the vast amount of dry-ice deposits found on the red planet, thereby reducing the need to transport fuel on interplanetary missions. Read More
— Aircraft

Researchers create world's first 3D-printed jet engines

By - February 25, 2015 11 Pictures
Working with colleagues from Deakin University and CSIRO (Commonwealth Scientific and Industrial Research Organisation), researchers from Australia's Monash University have created the world's first 3D-printed jet engine. While they were at it, they created the world's second one, too. One of them is currently on display at the International Air Show in Avalon, Australia, while the other can be seen at the headquarters of French aerospace company Microturbo, in Toulouse. Read More
— Good Thinking

Putting the world's largest and most powerful gas turbine to the test

By - February 22, 2015 11 Pictures
One of the problems with building the world's largest and most powerful gas turbine is that you need to build a test bed to match. Having invested US$1 billion in its 500,000 bhp 9HA Harriet gas turbine, GE had to fork over another US$185 million to build a full-load test bed at GE Power & Water in Greenville, South Carolina that can handle the grid-busting output of Harriet. Read More
— Automotive

LiquidPiston unveils X Mini engine

By - November 20, 2014 7 Pictures
Back in 2012, Gizmag looked at LiquidPiston’s X2 rotary engine. The compact, low-vibration, high-efficiency 70 bhp and 40 bhp compression ignition engine was something of a sensation. Now the company is back with the 70 cc X Mini engine, which LiquidPiston’s President and Co-Founder, Dr Alexander Shkolnik unveiled on Wednesday at the SAE International/JSAE 2014 Small Engine Technology Conference in Pisa, Italy. Read More
— Automotive

Radical 4-in-1 piston engine promises hybrid-like efficiency

By - October 21, 2014 3 Pictures
One of the many challenges facing engine designers is the need to increase power output while simultaneously retaining or improving efficiency. Although a four-cylinder engine is still an engineering marvel, there remain many friction points that reduce energy output. Namikoshi Electronics of Japan believes its unorthodox 4-in-1 concept engine could provide an alternative powerplant to the automobile industry. Read More
— Automotive

Duke Engines' incredibly compact, lightweight valveless axial engine

By - September 3, 2014 13 Pictures
New Zealand's Duke Engines has been busy developing and demonstrating excellent results with a bizarre prototype axial engine that completely does away with valves, while delivering excellent power and torque from an engine much smaller, lighter and simpler than the existing technology. We spoke with Duke co-founder John Garvey to find out how the Duke Axial Engine project is going. Read More
— Automotive

Experimental diesel/gas engine could give 2009 Saturn a big boost in fuel efficiency

By - July 18, 2014 3 Pictures
Five years ago we first heard about a Caterpillar diesel engine located at the University of Wisconsin-Madison, that had been modified to run on an unlikely-sounding mixture of diesel and gasoline. Not only did the one-cylinder engine work, but it was more efficient than pure-diesel or pure-gas engines at converting the chemical energy of fuel into motion. Sitting in a basement lab, however, isn't the same as experiencing use in the real world. That's why students at UW-Madison, led by Prof. Rolf Reitz, have now put another diesel/gas engine into a 2009 Saturn. Read More
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