Tag Archives | open rotor

P&W’s Geared Turbofan – right engine, right time?

Having just spent two days at Pratt & Whitney’s Connecticut facilities, some of the company’s fervour for the Geared Turbofan appears to have rubbed off on me. With oil at $110 at barrel and jet fuel at $2.70 a gallon, an engine that promises to reduce aircraft fuel burn by 12%, and noise and emissions […]

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Boeing applies to patent a ducted, er, open rotor

Okay, “open rotor” I understand. But “ducted open rotor”, what’s with that? Better ask Boeing. Its name is on the recent patent application my colleague Steve Trimble came across when browsing the US patent office website. And it actually is for an open rotor with a duct around it…. The patent application talks about “an […]

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Clean, quick and composite – Europe’s R&D targets

The European Commission has unveiled the first tranche of aeronautics research projects to be funded under its Seventh Framework Programme (FP7). No real surprises among them: there is a big emphasis on reducing the environmental impact of air transport and advancing the use of composites in aircraft. Leading the list of oh-so-European-sounding projects are: MAAXIMUS, […]

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PDEs to nanotech – inside GE’s Global Research Center

Pulse detonation engines, active flow control, nano-engineered materials and open rotor noise reduction were among the technologies on show when I toured General Electric’s Global Research Center in upstate New York this week. You can see some of the technologies in action at the research centre’s blog, From Edison’s Desk, at www.grcblog.com. (Thomas Edison’s actual […]

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Aerofan anyone?

An unusual aeroplane is among the latest batch of pictures on 1000aircraftphotos.com. It is the Aerofan Single Twin, c1984. It is a clean machine, but details seem sparse. Anyone know anything about it? The name suggests two engines driving one propeller, as in the Learfan. I have a soft spot for pushers, although few have […]

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