Pipistrel Rolls Out Hypstair Hybrid for Run-up

Dean Sigler Electric Powerplants, Hybrid Aircraft, Sustainable Aviation 2 Comments

Pipistrel took the wraps off its latest iteration of what was originally called the Panthera, the hybrid variant of which has been renamed the HYPSTAIR, a pun that fails to diminish the significance of the achievement. Pipistrel clams the most powerful aerial hybrid electric power train, powering it up on February 9 and making a mighty, but subdued noise, much of it coming from the specially-designed, five-bladed propeller. Putting out 200 kilowatts (268 horsepower) at full throttle, the Siemens motor turned the propeller using first just the generator, and then the motor in low and high power modes. The propulsor (perhaps a new term to consider as hybrid power becomes a common operational type for electric aircraft) produces 100 kW (134 …

The Sustainable Aviation Symposium – A Wealth of Knowledge

Dean Sigler Announcements, Sustainable Aviation 0 Comments

Coming May 6th and 7th, the first-ever Sustainable Aviation Symposium will take place at the Sofitel San Francisco Bay Hotel. This year’s presenters include an international array of accomplished talent in aerodynamics, power, and energy storage, with a few surprises on tap.  Keynote speakers include: NASA Chief Scientist Dennis Bushnell PADA Trophy winner and Pipistrel Designer Dr. Tine Tomazic Dr. Joseph Kallo of the DLR (Germany’s NASA) Lehigh University’s Dr. Justin Jaworski Pelican Aero Group’s Philip Barnes Additional presentations include Nobel Prize winner Dr. Benjamin Santer of the Intergovernmental Panel on Climate Change; Eric Raymond, the highest time solar pilot in the world (his latest 6-seat solar aircraft pictured above); Dr. Yi Cui of Stanford University with the latest in battery …