Russian TVRS-44 undergoes performance analysis for water ditching scenarios

Atlanta company Hermeus has its sights set on Mach 4 next year, to beat the Mach 3.3 benchmark set by the SR-71 Blackbird way back in 1976. Watch its Chimera hybrid engine nailing the switch between low-speed turbojet mode and hypersonic ramjet mode.

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https://www.flightglobal.com/safety/tvrs-44-undergoes-performance-analysis-for-water-ditching-scenarios/151762.article 

Turbojet to hypersonic ramjet: Hybrid Chimera engine shows its range

Atlanta company Hermeus has its sights set on Mach 4 next year, to beat the Mach 3.3 benchmark set by the SR-71 Blackbird way back in 1976. Watch its Chimera hybrid engine nailing the switch between low-speed turbojet mode and hypersonic ramjet mode.

Continue Reading



https://newatlas.com/aircraft/hermeus-chimera-hypersonic-test/ 

First Flight of the NUNCATS electric Zenair 750


The 'electric sky jeep', based on a Zenith CH750, has been under construction for the past three years but on Friday, January 20, successfully took to the air at Old Buckenham Airfield, in south Norfolk.

The test flight is a significant step forward for the project and means any tweaks can now be made to speed up the production process, step up the trials and eventually see the plane take to the skies in life saving missions.