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AltoVolo Sigma Targets 220 mph Top Speed with 500-Mile Range eVTOL Prototype Flight
London-based startup AltoVolo has flown a 1:4 scale prototype of its Sigma eVTOL, claiming a full-scale version capable of 220...
Tag: hybrid-electric
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News
RTX Hybrid Turboprop Hits 2,680 HP Milestone – 30% Fuel Savings for Regional Flights
RTX’s hybrid-electric propulsion system achieved full-power operation on March 3, 2026, combining a 1,340 hp PW127XT engine and 1-MW electric...
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ERC System’s Romeo eVTOL Completes First Flight: Europe’s Heaviest Electric Aircraft Takes to the Air
Munich-based ERC System has successfully completed the maiden flight of Romeo, its third-generation eVTOL prototype, marking a significant milestone for...