MAHEPA and HY4 Go High

Dean Sigler Announcements, Batteries, Electric Powerplants, Fuel Cells, GFC, Hybrid Aircraft, Hydrogen Fuel, Sustainable Aviation Leave a Comment

MAHEPA (Modular Aproach to Hybrid-Electric Propulsion Architecture) is a European Union project to build emission-free aircraft.  A public flight of Pipistrel’s HY4 hydrogen-powered, four-seat aircraft was the latest demonstration of the group’s progress. Challenging Objectives Overall, MAHEPA hopes to accomplish five objectives: Advancing the fuel-driven serial hybrid-electric Powertrain which uses a lightweight internal combustion engine (ICE), capable of running multiple fuels as the power generation module. Advancing the reliability of zero-emission serial hybrid-electric powertrain which uses a Proton Exchange Membrane (PEM) Hydrogen Fuel Cell (FC) as the power generation module. Advancing new airborne qualified, lightweight, high-power density components such as a 200 kW+ electric motor, a 100 kW+ generator and improved power electronics using Silicon Carbide (SiC) technology to increase …

Flying the Atlantic Electrically – The Freedom Flight Prize

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

It almost stops your editor in his tracks when he reflects that 93 years ago, Charles Lindbergh crossed the Atlantic in his Spirit of St. Louis.  Even more astounding, competitors may win the Freedom Flight Prize by the 100th anniversary of that flight by making a cross-Atlantic and return flight in a 100-passenger, all-electric airliner. Carbon Footprint Ltd. Lindbergh’s plane, custom built but derived from a Ryan M-1 mail plane, cost $10,580 ($158,357 in 2019 dollars) and earned the $25,000 Orteig Prize.  Now, an organization in England, “Carbon Footprint Ltd. has launched a competition to encourage sustainable passenger flight. It has created the Freedom Flight Prize, a competition focused on crossing the Atlantic Ocean 100-percent powered by renewable energy — with seating for …

Honeywell’s New UAM Business Unit

Dean Sigler Announcements, Sky Taxis, Sustainable Aviation Leave a Comment

Honeywell, long involved in avionics and other aviation-related instrumentation and equipment, has created an entire, new business unit devoted to unmanned aerial systems (UAS) and urban air mobility (UAM).  If any indication is necessary to show that urban air is not a passing fad, it’s the investments being made by major entities – from Toyota to Honeywell, from NASA to Mercedes. Honeywell’s contributions to future UAM flight include avionics – devices that combine aviation with electronics.  Honeywell’s portfolio includes a miniaturized fly-by-wire system, electromechanical actuators to take the place of traditional control cables and pushrods, and systems to help integrate the UAM into existing and future air traffic control systems. These systems will work for electric Vertical Take Off and …

Sustainable Aviation Symposium – Free on YouTube!

Dean Sigler Electric Powerplants, Hybrid Aircraft, SAS, Sky Taxis, Solar Power, Sustainable Aviation Leave a Comment

The 2018 Sustainable Aviation Symposium was a master class in aircraft design, electric and hybrid power, and the strategies that will make green flight a reality in our near and distant futures.  The considerable knowledge imparted in that gathering is now available for your education and enlightenment on YouTube. Better than (Most) Cat Videos Go here to see the entire 2018 Symposium program, complete with links to a video of each speaker’s talk. Or go here for the library of presentations on YouTube. Either link provides high-quality video of the 20 presentations from this year’s Sustainable Aviation Symposium.  You will see all the slides in each presentation and hear each presenter’s eloquent exposition.  These range from the simplest of garage-based …

Referencing Uber’s Elevated Challenge

Dean Sigler Batteries, Electric Powerplants, Sky Taxis, Sustainable Aviation Leave a Comment

We can tell things are heating up in the electric aircraft marketplace.  Established aircraft companies are investing (Boeing and Airbus for starters), growing numbers are planning for electrified and autonomous future flight (Uber Elevate Summit), and an absolute plethora of new designs are tumbling forth from an aeronautical cornucopia.  Their video of an Uber sky taxi ride illustrates the charm of the idea. A Common Reference Uber provided two common reference eVTOL (electric vertical takeoff and landing) reference models for partners to emulate.  Both seem to share a common passenger pod with an unusually long tail boom. Perhaps taking the 2011 Green Flight Challenge as his reference point, Mark Moore explained how Uber inspires others to give their best efforts …

Pipistrel’s Tine Tomazic Tours West Coast for eVTOL

Dean Sigler Sky Taxis, Sustainable Aviation Leave a Comment

Visiting Los Angeles for UBER’s second Annual Elevate Summit on May 8, Tine Tomazic and Igor Perkon presented Pipistrel’s new electric vertical takeoff and landing (eVTOL) concept.  As described in their press release, Pipistrel’s new design “utilizes dedicated propulsion systems for both cruising and vertical lift and embraces an aircraft styled family approach of eVTOL able to carry between 2 to 6 passengers.” Mark Moore, UBER’s Director of Engineering, attempted to find out about the “sauce” that helps make Pipistrel’s eVTOL concept unique, but was deflected by Tine’s response that the “airplane” (important distinction) would be a “cruise plus lift” machine, emphasizing speed of transit, but relying on electric power to provide vertical lift.  He also noted that propulsion would …

Pipistrel Electrifies China

Dean Sigler Announcements, Hybrid Aircraft, Sustainable Aviation 1 Comment

Taja Boscarol, Public Relations Manager for Slovenian aircraft company Pipistrel, announced the formal establishment of the fourth company of the Pipistrel Group at the Chamber of Commerce in Jurong City (Jiansu Province), China. The new company, PIPISTREL ASIA-PACIFIC, General Aviation Technology Co. Ltd. was founded by Ivo Boscarol (51-percent owner) and Danny Wu Hao (49-percent).  Hao, as financial partner, will provide the capital investment required for the construction of Project Jurong. The ownership of both Slovene companies, Pipistrel d.o.o. and Pipistrel Vertical Solutions (a new development under control of Tine Tomazic) remains 100-percent Slovenian as before. As Ms. Boscarol’s press release relates, “From now on, the PIPISTREL ASIA-PACIFIC, General Aviation Technology Co. Ltd company is the general distributor of Pipistrel …

SmartFlyer Challenge: Electric Airplanes Fill Swiss Skies

Dean Sigler Electric Powerplants, Hybrid Aircraft, Solar Power, Sustainable Aviation Leave a Comment

There are few times one will see more than one electric airplane at the same place – outside of perhaps, Friedrichshafen’s e-Flight Expo every year.  But to see them flying at the same field on the same day is an even grander delight.  That happened September 9 and 10 at Grenchen, Switzerland.  Grenchen hosted the world’s first all-electric fly-in – the SmartFlyer Challenge.  It drew an appreciable number of electric aircraft of all sizes and types despite the clouds and rain that kept some from scaling the mountains. An Electric Three-Plane Formation Flight The Siemens-powered Magnus e-Fusion from the Czech Republic, the electric Phoenix motorglider, and Stuttgart University’s e-Genius all flew formation with a Piper L-4, a World War Two …

Hybrid Aircraft – Several Empowering Possibilities

Dean Sigler Electric Aircraft Components, Electric Powerplants, Hybrid Aircraft, Sustainable Aviation 1 Comment

While we wait (with increasing patience or impatience depending on our personalities) for the next round of battery developments to make pure electric airplanes a reality, hybrid possibilities abound.  The definition of “hybrid” might not be as coherent as those used for automobiles.  Some “hybrids in this entry allow extended letdowns following a primary engine failure.  In that case, the added electric motor/generator gives extra minutes to find a safe landing space.  While both motor and primary engine are operational, the system acts much like an automotive hybrid system, both motor and engine combining outputs for added power, or the electrical portion recharging batteries while the engine maintains cruise power. Some are more like automotive serial systems, an engine-driven generator …

G4 to HY4 – Swapping Batteries for Fuel Cells

Dean Sigler Electric Powerplants, GFC, Sustainable Aviation Leave a Comment

The University of Stuttgart and Pipistrel started down similar paths around 2007, with the Stuttgarters attempting a hydrogen-powered two-seat aircraft, the Hydrogenius; and Pipistrel developing a self-launching craft with either two-stroke power or an equivalent electric motor. The two groups came to rely on one another, with hydrogenius using the forward fuselage and wings of the Taurus G2 with hydrogen tanks in the fuselage and a Sineton motor on the tail.   On February 27, 2008, Professor Rudolf Voit-Nitschmann, the father of the solar powered aircraft Icare 2 and the unofficial World Record holder for distance flown in a solar powered aircraft, along with dipl. ing. Steffen Geinitz and dipl. ing. Len Schumann met with Pipistrel leaders, including CEO Ivo Boscarol and …