HyperMach Supersonic Bizjet Grows Larger, Speed Boosted to Mach 4.5

AINonline
HyperMach Aerospace announced a new configuration for its SonicStar supersonic business jet that will boost the aircraft’s top speed by more than 10 percent, to Mach 4.5, while also increasing range to more than 6,500 nm.
November 20, 2012, 11:30 AM

HyperMach Aerospace announced a new configuration for its SonicStar supersonic business jet that will boost the aircraft’s top speed by more than 10 percent, to Mach 4.5, while also increasing range to more than 6,500 nm.

The updated version–which includes a new wing, redesigned V tail and a pair of more powerful engines–is “slightly larger” than the SonicStar that was first announced at the Paris Air Show last year. It would seat up to 32 passengers, up from the original 20. Meanwhile, the larger fuselage and swooped delta wings also allow for more onboard fuel that in turn stretches the originally specified 6,000-nm range by another 500 nm or more.

Work is now starting on the SSBJ’s 65,000-pound-thrust H-Magjet 4400 hybrid turbofan ramjet engines, which are being developed by Portland, Maine-based sister company SonicBlue. HyperMach CEO Richard Lugg told AIN that the company was awarded “major patents” this year for its “revolutionary propulsion technology,” which includes a “superconducting turbo power core ring.”

“The first engine stage produces more than 10 megawatts of power, driving the electromagnetic compressor and bypass fans,” Lugg noted. “There are four turbine stages in H-Magjet, all producing multi-megawatts of power.” This power generation is key to the electromagnetically induced plasma wave technology that “absorbs” pressure waves, which are expected to minimize or eliminate the twinjet’s sonic boom, according to Lugg.

Lugg said that HyperMach’s discussions with aircraft engine manufacturers to build the H-Magjet 4400s are “progressing well.” The company plans to start engine rig testing next year, followed by core and then electrical compressor tests in subsequent years. A full engine run is scheduled for 2018. According to Lugg, HyperMach will unveil a full-scale engine mockup next year, most likely at the Dubai Airshow. It also plans to exhibit at one airshow in Europe (EBACE or Paris) and the NBAA Convention in 2013.

The redesign has pushed estimated first flight out to 2022, but certification and entry into service are still expected in 2025, according to Lugg. HyperMach expects to start taking orders for the $180 million SonicStar early next year.

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