Gulfstream and Lockheed, like Dassault, are experimenting with either modifying an existing engine design or creating an entirely new one.
The UK Space Agency engaged propulsion experts at the European Space Agency (Esa) to run the rule over the company's engine design.
But the heat-driven Stirling engine design opens up possibilities for alternative fuels.
He came into the Forbes Studios recenlty to talk to me about engine design and innovation and how he became intersted in technology.
Some of the proposed alternatives to traditional engine design offer fuel savings that aren't that much greater than auto makers believe they can achieve through improvements to the designs they know.
The UK Space Agency initiated a review of Skylon and as part of that assessment it asked propulsion engineering experts at the European Space Agency to run the rule over the spaceplane and, in particular, its breakthrough Sabre engine design.
Turbines run most efficiently at high speeds, and fans at low speeds, so turbofan engines have to compromise between the two, because the engine's design requires them to turn at the same speed.
"Though I didn't end up becoming an engineer, knowing how to design an engine is interesting to know for my job today, " he suggests.
By eliminating the bulky V6-engine option in favor of a smaller, 4-cylinder turbocharged engine, Hyundai could design the car on a smaller, lighter steel frame.
It does not make sense economically as ANY alcohol fuel cost more to produce and supply than the gasoline it is replacing especially if you consider the infrastructure improvements necessary to transport and contain the material and the engineering required to design an engine that can run on it.
Personally, I have my eye on an even smaller jet, the rumored single-engine, four-seat pocket-rocket from Cirrus Design. (If the one engine fails, pull a lever and a parachute will float you and the plane to a soft landing.) One of the two brothers who founded Cirrus told me the Cirrus jet would go 300 knots, or 345 miles per hour.
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The incredibly slim and light design, the powerful engine inside, and a heat dissipation system that won't scald your legs make the new Blade an excellent portable gaming option.
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Toro Rosso has essentially been a feeder team for Red Bull, using a chassis based on its parent team's design but a Ferrari engine instead of the Renault-powered cars driven by David Coulthard and Mark Webber.
It derives its name from the two rotating systems that are the basis of the design: the main engine at its base, which will put it into orbit, and the rotor on top, which will enable it to touch down gently.
Samsung continues to manufacture the A6 processor, the iPhone 5's main computing engine, based on Apple's design.
Russian aircraft design is excellent, but engine reliability is less so.
With 3DI, an industrial designer looking to source components can upload a 3D design into the 3D search engine which immediately returns a list of matching suppliers worldwide.
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BizTalk Orchestration features a drag and drop design tool, a runtime engine to execute and debug applications and a "binding architecture" for tying business processes with applications that automate them.
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Whitmarsh said the MP4-19 was an evolutionary step forward from the MP4-18's design, but had a new engine and incorporated a lower degree of technical risk.
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That fuel economy comes from sophisticated electronic fuel and spark controls, and computerized automatic transmissions teamed up with a very sophisticated engine that was designed using computer-automated design, machined using CNC milling, and assembled by robots.
This new engine for the PS4 allows us to take game design in entirely new directions.
That's the dilemma faced each day by Cirrus Design, the fastest-growing single-engine aircraft maker in the world.
The first is a standard engine produced by a supplier, with current engine makers free to build their own to the same design.
Since the GE engine was begun later and not based on any prior design, its team is not as far down the learning curve and thus is likely to produce a less reliable engine.
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Another interesting thing about the development of this engine is the role of software in high-end hardware design.
To conserve space Issigonis put the engine transversely driving the front wheels, this was a radical design but allowed a very short bonnet and gave more interior space, enough for four adults.
For, once the engine block and the gearbox are gone, the game of car design changes.
However, the existence of two different engine designs increases the likelihood of something going wrong either with the basic design or with maintenance procedures because additional complexity is introduced into the fleet.
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