Page 83 - World Airnews Magazine January 2020 Edition
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NEWS DIGITAL


          we can electrify aircraft just another white   Lufthansa’s CEO, Carsten Spohr, recently   engines replaced by an electric engine,
          elephant waiting to happen?       pointed out that the decisions being made   which could reduce the amount of jet fuel
                                            by airlines now are those we will have to   required for landing, as well as handling
          A PROBLEM OF POWER                live with for the next 25 years. From order   some of the propulsion once at cruising
                                                                               altitude and speed.
          The issue with electrifying aircraft is   to delivery can take some three to five   CEO of Safran, Philippe Petitcolin,
                                            years, then usually an airline will fly those
          the power source itself. With no major   planes for 10, 15 or even 20 years. By the   recently said in an article carried by La
          groundbreaking innovations in the world of   time that airline needs to renew its fleet   Tribune that we need to forget 100%
          battery technology, getting enough stored   again, the opportunity to make an impact   electric aircraft, at least for now. She is
          power on board a large passenger aircraft   on climate change before 2050 will be   quoted as saying,
          would require power units of immense size   pretty much over.          “On these types of aircraft and distances,
          and weight.                                                          there will certainly be hybridization with
           Mark Dunnachie of ATR Aircraft previ-                               electricity that will assist the engines, but
          ously pointed out that to get an ATR-72 in   A MORE REALISTIC SOLUTION  the replacement of engines by electric
          the air with electricity would require a 20   While a 100% electric aircraft may be   motors, we must forget. We were fooled by
          ton battery, almost as heavy as the entire   some years away, and possibly just a white   this because it is happening in the automo-
          MTOW of the plane.                elephant that will either never be built or   tive sector, but the battery does not meet
           Andreas Klöckner from the German   built too late, electrification could play a   the demands of commercial aviation.”
          Aerospace Centre (DLR) concurred with   role in driving down the CO ²  emissions   However, he does admit, as do others,
          this notion, expressing doubt that a large   associated with flying.   that for small planes operating short
          electric aircraft would be seen much before   Hybrid electric-jet technology is a much   distances, electrification of aircraft is
          2040.                             more realistic possibility, and something   perhaps not quite so far-fetched.
           And it’s not just the power that’s the   that we could see as an option on existing   For the rest of the aviation sector,
          problem.                          aircraft within the next decade or so.  we’ll have to hope that a combination
           Even if a large passenger aircraft   Airbus is working in partnership with   of improvements to engine technology,
          was created that was 100% electrically   Rolls Royce on the E-Fan X, an engine which   carbon offsetting and taking fewer short
          powered, would it be brought to market in   is expected to take its first flight in 2021.   flights when ground based options are
          time to make enough of an impact?   This would see one of an aircraft’s jet   available is enough. Q






                    NEWS DIGITAL


                                       ZIMBABWE AVIATION


                                       AUTHORITIES TO GREEN

                                       AIRPORT FACILITIES

                                                                                      By Wallace Mawire




                                                              concept of the aerotropolis model, were facilities found in major
                                                              cities were being developed around airports. An aerotropolis is
           The Civil Aviation Authority of Zimbabwe (CAAZ) has made   a metropolitan sub region whose, infrastructure, land use, and
           calls for expression of interest from interested companies and   economy are centered on an airport. It fuses the terms "aero-"
           organizations to partner with them to develop projects to green   (aviation) and "metropolis”. He said that Zimbabwe was not
           then country’s airport facilities.                 an exception and needed to move with such global trends in
             Tawanda Gusha, CAAZ Director of Airports  told participants   infrastructure development.
           at an aviation stakeholders meeting held in Harare on 13     It is reported that the authority had also made a call for
           November 2019 that the authority was courting potential   expression of interest for companies interested in initiating
           investors to develop solar farms within the airports.  horticultural facilities around the airports.
              It is reported that the initial project is expected to be     It was also indicated that there had been illegal land develop-
           implemented at Robert Gabriel Mugabe international airport.  ments near Robert Gabriel Mugabe international airport which
               “This would in future see us limiting our dependence on   were stopped by government through the authority.
           hydro-electric and thermal power use at the airport facilities,”     Solar farms are large scale solar installations where photovol-
           Gusha said.                                        taic (PV) panels, referred to as solar panels, or other means of
               He said that investors were welcome to develop the country’s   collecting solar energy, like concentrating solar systems are used
           airports to world-class standards.                 to harvest the suns power. Solar farms are also known as solar
             Gusha added that airports worldwide were adopting the   parks and solar power stations. Q




                                                   World Airnews | January Extra 2020
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