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Audi A1 e-tron concept - Click above for high-res image gallery

No, Wankel is not really a verb. At least, not that we know of. But it is the last name of the man who designed the rotary engine, and we think our man Felix would be more than pleased with the latest application of his barrel-shaped internal combustion powerplant. In case you missed it before, that would be as the range-extender buried inside Audi's new A1 e-tron electric vehicle, which is currently on display at the Geneva Motor Show.

As we told you before, Audi's smallest e-tron features a 12-kilowatt-hour lithium ion battery pack that feeds a steady stream of electrons to a front-mounted electric motor with 102 peak horsepower. The aforementioned Wankel rotary engine features one lone rotor, displaces 254cc and sits just aft of the battery pack under the rear seat. Why a Wankel? Audi says the complete package weighs in at just 154 pounds and puts out a nice, steady stream of power at a constant 5,000 RPM. Check out our gallery of live images from the show floor in Geneva below.


Gallery: Geneva 2010: Audi A1 e-tron


Gallery: Audi A1 e-tron concept


Live photos by Drew Phillips / Copyright (C)2010 Weblogs, Inc.

Geneva 2010: Audi A1 e-tron Wankels its way to the show floor originally appeared on Autoblog on Tue, 02 Mar 2010 16:52:00 EST. Please see our terms for use of feeds.

Permalink | Email this | Comments]]>a1a1 e-tronA1E-tronaudiAudi A1audi a1 e-tronaudi a1 e-tron conceptAudiA1AudiA1E-tronAudiA1E-tronConceptgenevageneva 2010Geneva Motor ShowGeneva2010GenevaMotorShowrotaryrotary enginerotary range extenderRotaryEngineRotaryRangeExtenderWankelwankel range extenderwankel rotaryWankelRangeExtenderWankelRotaryTue, 02 Mar 2010 16:52:00 EST http://www.autoblog.com/feed/19379674/article-comments.xml http://www.autoblog.com/feed/2010/03/02/geneva-2010-audi-a1-e-tron-wankels-its-way-to-the-show-floor/19379674/article-detail.xml 19379674 http://www.blogcdn.com/www.autoblog.com/media/2010/03/audi-a1-etron-live_thumbnail.jpg http://www.blogcdn.com/www.autoblog.com/media/2010/03/audi-a1-etron-live.jpg <![CDATA[Geneva Preview: Audi A1 e-tron is extended-range EV with Wankel rotary generator]]>http://www.autoblog.com/2010/03/01/geneva-preview-audi-a1-e-tron-extended-range-ev-with-wankel-rot/http://www.autoblog.com/2010/03/01/geneva-preview-audi-a1-e-tron-extended-range-ev-with-wankel-rot/http://www.autoblog.com/2010/03/01/geneva-preview-audi-a1-e-tron-extended-range-ev-with-wankel-rot/#commentsFiled under: , , , ,

2011 Audi A1 - Click above for high-res image gallery

Audi still hasn't released any images of its new electric A1 e-tron concept, but it has revealed some details of the car. Unlike the two previous e-tron sports car concepts that were both pure battery electric models, this one is a range-extended EV. Like the Chevrolet Volt, the A1 e-tron uses a smaller battery pack that allows it to go up to 31 miles on a single charge with no emissions.

Once the battery is depleted, an internal combustion engine kicks in to drive a 15-kilowatt generator and keep the A1 going. However, unlike the Volt or Fisker Karma, the A1 is using a single-rotor Wankel engine to drive the generator. While Wankels are not renowned for their fuel efficiency (much the opposite in fact), in this application it could work well thanks to its high power density.

The range with the Wankel running is bumped up by another 124 miles to a total of 155. With only a 15kW generator available to sustain the battery, it will be interesting to see how much performance is degraded in that mode. Audi claims the A1 e-tron achieves 123.8 miles per gallon (U.S.) on the draft EU standard for ER-EVs. We should have more details tomorrow, so stay tuned.


Gallery: 2011 Audi A1


[Source: Audi]

Continue reading Geneva Preview: Audi A1 e-tron is extended-range EV with Wankel rotary generator

Geneva Preview: Audi A1 e-tron is extended-range EV with Wankel rotary generator originally appeared on Autoblog on Mon, 01 Mar 2010 12:59:00 EST. Please see our terms for use of feeds.

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