Diamond Aircraft reports it has flown a prototype of its D-Jet with the more advanced Williams FJ33-5A engine. The new turbofan is rated at 1,900 pounds thrust, compared with 1,500 pounds for engines flown on previous versions of the D-Jet. The move was precipitated primarily by the need for more power to supply bleed air for the pressurization system. The D-Jet is expected to fly at 240 knots true airspeed (ktas) in long-range cruise at 25,000 feet for a range of 1,350 nautical miles. Top speed is expected to be 315 ktas. There will also be an as-yet-unannounced price increase from the original estimate of $1.38 million ($2006). Certification is scheduled for mid-next-year.
Diamond’s D-Jet Flies With More Potent Powerplant
Key Takeaways:
- Diamond Aircraft's D-Jet prototype has flown with a new, more powerful Williams FJ33-5A engine (1,900 lbs thrust) to primarily improve bleed air for the pressurization system.
- The D-Jet is expected to achieve a long-range cruise of 240 ktas at 25,000 feet with a 1,350 nautical mile range, and a top speed of 315 ktas.
- Certification for the D-Jet is scheduled for mid-next-year, with an unannounced price increase expected from its original $1.38 million (2006) estimate.
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