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Engine

One of the holy grails ICE development is the creation of a viable variable-compression-ra...

While the fashion in high-tech automotive developments might lean towards hybrids and electric vehicles at the moment, there’s still plenty of scope to improve the good old internal combustion engine and one of the holy grails of such development is the creation of a viable variable-compression-ratio system. Now Porsche is working on just such an engine, revealed in the form of a newly-published patent, which will be able to alter its compression ratio.  Read More

The AFRL confirmation paves the way for further development of the SABRE engine

Reaction Engines' Skylon reusable spaceplane project has been given a boost, with analysis by the United States Air Force Research Laboratory (AFRL) confirming the feasibility of the SABRE engine cycle concept that lies at its heart.  Read More

The T25 housing is located inlet to the high-pressure compressor and protects the sensor e...

We've only just begun to see the huge impact 3D-printing technology will have on manufacturing, and the aerospace industry is a prime example. Earlier this year we saw the first example of a 3D-printed jet engine, now GE has announced the first 3D-printed part certified by the US Federal Aviation Administration (FAA) for a commercial jet engine. The fist-sized T25 housing for a compressor inlet temperature sensor was fabricated by GE Aviation and will be retrofitted to over 400 GE90-94B jet engines on Boeing 777 aircraft.  Read More

The BE-3 engine recently completed its acceptance testing

Blue Origin has taken a step closer to lifting into space by announcing that its BE‑3 rocket engine has completed acceptance testing, opening the door to its first flight. The first new hydrogen engine to be developed in the US in over a decade, the BE-3 is part of Blue Origin's program to develop a completely reusable launch system.  Read More

Demonstration model of the experimental engine with lightweight cylinder casing (Photo: Fr...

Recent government requirements for greater fuel efficiency have led to lighter cars hitting the market, but there's only so much that can be shaved off the body and chassis. To find further weight reductions, a Fraunhofer project group is developing ways of building engine cylinder blocks that are partly plastic.  Read More

Carbon dioxide engines may power future interplanetary missions (Photo: Jonathan Sanderson...

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

The world's first 3D-printed jet engine on display at the Avalon International Airshow (Ph...

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

Inside the 9HA Harriet gas turbine

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

All variants of the new motor should meet the tough Euro 7 emissions standards

Volvo continues to chase better fuel economy with the development of a new three-cylinder engine, which will sit alongside the Swedish brand's Drive-E four-cylinder motors in its lineup.  Read More

Two views of the X Mini

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

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