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Gulfstream G250 unveiled
Gulfstream G250 unveiled

Gulfstream Aerospace, the business jet manufacturer based in Savannah, Georgia, USA took the opportunity of the 2008 NBAA Convention in Orlando to unveil its latest aircraft type. The Gulfstream G250 is a direct derivative of the G200, which the company inherited when it bought up Galaxy Aerospace. As recently as September 2008 Gulfstream had celebrated the handover of the 200th G200 to a customer at its Completions Center of Excellence for mid-cabin aircraft in Dallas, Texas. Only three weeks later Gulfstream announced the next step in the evolution of the type. The G250 will have the G200 fuselage, putting it in the category of the super midsize jets, in which the Hawker 4000 from Hawker Beechcraft, the Citation X from Cessna and the Challenger 300 from Bombardier also reside. “I am delighted to be able to announce the latest aircraft in the Gulfstream family. Our customers played a critical role in the design of this business jet through their involvement in our customer forum,” said Joe Lomabdo, President of Gulfstream.

The most important change to the type relates to the wings. They have been completely redesigned and now have a profile that is close to the G550 ultra-long-range jet. The new wing will also have new, bigger winglets. Instead of the G200´s cruciform tail configuration, the G250 will have a T-tail like the other jets in the Gulfstream product range. Thanks to the revised aerodynamics and advanced engines, the G250 will fly not only faster than the G200 but more economically as well. The promised cruise speed is Mach 0.80, which on the G200 is the maximum cruise speed. The G250´s tanks will have a capacity of 9,200 litres, 250 litres less than the G200, but despite this its range at maximum velocity will be 6,300 km (3,400 nautical miles), about 180 km (100 nm) greater than the G200. Translated into concrete terms, this means that the G250 will be able to fly nonstop from New York to London.

Whereas the G200 is powered by two PW306A turbofan engines from Pratt & Whitney Canada, Gulfstream has turned to Honeywell to supply the turbofans for the new jet. The HTF7250G engines produce a take-off thrust of 33.2 kN (7,445 lb), equivalent to a 23 percent increase in power output. The new powerplants also feature lower fuel consumption, lower noise and exhaust emissions and longer maintenance intervals, which should significantly cut the operators´ maintenance costs. The development engineers calculate the maximum take-off weight at 17,962 kg. The G250´s take-off power will also benefit from the more powerful engines and improved aerodynamics: at the maximum take-off weight, the G250 will be able to take off on less than 1,500 metres of runway – about 350 metres less than the (lighter) G200 needs. On the ascent, the new Gulfstream jet will be able to climb to flight level 410 (about 12,500 m) in less than 20 minutes.

Pres Henne, Senior Vice President, Programs, Engineering and Test, said in Orlando: “I am very proud of the advanced technologies that our team has integrated into the G250. They will confer on the latest member of the Gulfstream family not only greater speed but also a longer range. The complete new wing, the Honeywell engines and the PlaneView250 cockpit from Rockwell Collins will make the G250 the best aircraft in its class.”

As usual, Gulfstream is going it alone on the cockpit. Avionics company Rockwell Collins may be delivering the components in the form of Pro Line Fusion, but Gulfstream is having them modified to the extent that a new name (PlaneView250) is warranted for the avionics suite. In the cockpit the crew will find three large, 38 cm diagonal screens, on which all the flight- and system-relevant information is presented. Electronic approach charts, a 3-D weather radar, synthetic vision and a head-up display system are available as optional extras.

Read the full version of this article at FlugRevue.de

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