Hello EVDLers, I would like to know, why the Tesla Roadster is still faster in acceleration with a significantly smaller motor than nearly all cars Ive seen. Is it the lightweight construction?
Thanks a lot! -------- Original-Nachricht -------- > Datum: Tue, 12 Mar 2013 01:17:54 -0700 (PDT) > Von: brucedp5 <[email protected]> > An: [email protected] > Betreff: [EVDL] EVLN: Mercedes SLS AMG Electric Drive is World’s Fastest > Production EV > > http://www.nitrobahn.com/news/mercedes-sls-amg-electric-drive-is-worlds-fastest-electric-vehicle/ > [image] Mercedes SLS AMG Electric Drive is World’s Fastest Electric > Vehicle > by priyankanair8 Feb 28 2013 via AutoGuide > > [image > http://www.nitrobahn.com/wp-content/uploads/2013/02/mercedes-benz-sls-amg-electric-drive.jpg > Mercedes SLS AMG Electric Drive is World’s Fastest Electric Vehicle > ] > > Mercedes has given the green light for the production of the SLS AMG Coupe > Electric Drive. Mercedes is boasting that it’s both the fastest and most > powerful series production EV in the world. Total output from the electric > motors is 740 hp (552 kW) and 738 lb-ft of torque, enabling a 0-62 mph > time > of just 3.9 seconds. There are four electric motors, one on each wheel > weighing around 100 lbs. Mercedes collaborated with its F1 division to > build > the car and came up with the solution of using individual transmissions at > each end to control power output rather than using hub-motors as they > significantly increase unsprung mass. Weight is of particular concern on a > car like this as the electric battery pack alone tips the scales at over > 1,200 lbs. > > The structure of the SLS Electric Drive is unique from its gasoline > counterparts with a carbon fiber monocoque forming the frame, to which > aluminum body components and suspension items are attached. As Mercedes > needed to make space in the front of the car for functional axles that > could > handle half of the motor’s torque, the old suspension setup was tossed > aside > in favor of a horizontal pushrod setup, similar to that found on Formula > One > cars. In total, Mercedes claims a zero-emissions range of 155 miles with a > top speed of 155 mph. Charge time for the over 800 individual battery > cells > isn’t quite as fast as the cars acceleration, taking three hours using a > special quick-charger that comes with the car. > > AMG knows buyers are going to want their high-performance electric car to > still sound like a high-performance car and so they’ve outfitted it with > something called “SLS eSound” which is essentially a sound generator > that > affects all aspects of the drive experience, from a unique start-up noise, > to a different sound when the driver puts the car in Drive, using a > special > E-SELECT lever. It will change what the driver hears based on road speed > and > even synthesizes transmission changes masking the natural, “hushed, > high-frequency sound pattern that seems inappropriate for a super sports > car.” The new car will be available in neon yellow shade and three other > different colors. Pricing and availability details were not revealed. > [© 2010 Nitrobahn All Rights Reserved] > ... > http://www.autoguide.com/auto-news/2013/02/mercedes-sls-amg-electric-drive-is-worlds-fastest-most-powerful-ev.html > > > > > For all EVLN posts use: > http://electric-vehicle-discussion-list.413529.n4.nabble.com/template/NamlServlet.jtp?macro=search_page&node=413529&query=evln&sort=date > > Here are today's archive-only EV posts: > > EVLN: Coca Cola, GE Pushing the EV Charging Network (video) > EVLN: Gov Kitzhaber pushes EVs as 10-year OR Energy Action Plan > EVLN: The new 2013 Nissan LEAF has arrived in the UK > EVLN: So, who drives electric cars and what do they think? > + > EVLN: ?Volvo’s Pedestrian & Cyclist Detection instead of a noisy EV? > > > {brucedp.150m.com} > > > > -- > View this message in context: > http://electric-vehicle-discussion-list.413529.n4.nabble.com/EVLN-Mercedes-SLS-AMG-Electric-Drive-is-World-s-Fastest-Production-EV-tp4661808.html > Sent from the Electric Vehicle Discussion List mailing list archive at > Nabble.com. > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA > (http://groups.yahoo.com/group/NEDRA) > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
