As for electric airplane flight endurance... we have already seen small conventional type aircraft with 1 hour endurance, and experimental type aircraft (100% solar+battery) with multiple day endurance with transpacific and transatlantic flights.
On April 5, 2018 5:17:26 PM CDT, EVDL Administrator via EV <[email protected]> wrote: >It's puzzling that the author of this article, Isidor Buchman, >allegedly >sets out to write about the differences between mobile phone batteries >and >EV batteries, but spends over 40% of his piece dismissing and >denigrating >EVs. > >Worse, he rehashes the same old misinformation and ignorance that's >been >aimed at EVs for 5 decades. > >Look at this junk. This is the language of a PR hack, not a scientist. > >Some of it's outright wrong; other parts are just meaningless prattle. >(He >doesn't write, "the vehicle becomes less efficient," but rather "the >vehicle >becomes inefficient." Eh? Furthermore, no evidence for any >declaration is >presented.) > >> This [increased range] requires larger batteries that grow >> exponentially with the distance driven. > >> ... and the vehicle becomes inefficient with increasing weight. > >> There is a threshold as to battery size and weight in a vehicle; >going >> beyond a critical point has a negative return. The vehicle becomes >> environmentally unsustainable. > >> Batteries have low calorific value compared to fossil fuel, and it >> makes little sense to power a freight train, ocean-going ship or >large >> airplane with batteries. > >> A study reveals that replacing kerosene with batteries could keep an >> aircraft airborne for less than 10 minutes. > >> Cost is another issue and batteries take long to charge. > >> A fill-up that is quickly and conveniently as topping a tank with >> liquid or gaseous fuel is impossible with an electrochemical device. > >> Charging a fleet of EVs could dim a city. > >His tired, old, misinformed anti-EV screed just keeps on going. It kind >of >makes you wonder where this "battery expert" gets his funding, doesn't >it? > >David Roden - Akron, Ohio, USA >EVDL Administrator > >= = = = = = = = = = = = = = = = = = = = = = = = = = = = = >EVDL Information: http://www.evdl.org/help/ >= = = = = = = = = = = = = = = = = = = = = = = = = = = = = >Note: mail sent to "evpost" and "etpost" addresses will not >reach me. To send a private message, please obtain my >email address from the webpage http://www.evdl.org/help/ . >= = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > >_______________________________________________ >UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >http://lists.evdl.org/listinfo.cgi/ev-evdl.org >Please discuss EV drag racing at NEDRA >(http://groups.yahoo.com/group/NEDRA) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20180405/17da25da/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
