Doubling Down with Ascendance

Dean Sigler Electric Powerplants, Hybrid Aircraft, Sky Taxis, Sustainable Aviation, Uncategorized Leave a Comment

Ascendance Flight Technologies, a French firm developing an electric Vertical Take Off and Landing (eVTOL) aircraft, has doubled down on its original, smaller airplane.  Originally a four-seat, hybrid-powered machine with three lift fans, Atea has retained the name, but grown considerably. Holey Wings Atea now has eight lift fans and two horizontal propellers arranged in a push-pull configuration.  It can carry its five passenger in a “Skyview cabin” for 400 kilometers (248 miles)  Powered by its modular “Sterna” hybrid-electric propulsion system, the craft will hit as yet unspecified speeds, but within a two-hour range, that will probably be about 124 mph. An expansion of their original design, Atea comes from a group of former Airbus e-Fan engineers and technicians.  The …

Following the Sky Taxi Money: eVTOLs

Dean Sigler Sky Taxis, Sustainable Aviation Leave a Comment

As though by magic, money from Wall Street, venture capitalists and other investors show a growing interest and cash flow in sky taxis.  It started on August 11 with JoeBen Bevirt of JOBY ringing the bell that starts trading on the stock market floor. As one web site points out, it’s up to the discretion of the New York Stock Exchange (NYSE) as to who gets to ring the bell and, “Only those companies with stocks or exchange-traded funds (ETFs) listed on the exchange can ring the bell.” We’ll look at a sampling of companies making electric Vertical Take Off and Landing (eVTOL) vehicles and selling in domestic and foreign markets for an overview of what’s hot.  Later, we’ll look …

First Flight of Rolls-Royce’s ACCEL Project

Dean Sigler Announcements, Batteries, Electric Powerplants, Sustainable Aviation Leave a Comment

Rolls-Royce has made a first test flight of its ACCEL Program’s “Spirit of Innovation,” their 400 kilowatt (500+ horsepower) electric record-seeking craft.  Powered by a stack of three YASA (Yokeless And Segmented Armature) motors, the Spirit flows from Jon Sharp’s NXT design, usually powered by a 540-cubic-inch internal-combustion engine.  The video includes a short nod to Rolls-Royce’s involvement in aviation that leads to the current project. Rolls announced the successful first flight with an important accomplishment and a hopeful prediction.  “We are pleased to announce the completion of the first flight of our all-electric ‘Spirit of Innovation’ aircraft. At 14:56 (BST) the plane took to the skies propelled by its powerful 400kW electric powertrain with the most power-dense battery pack …