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Mercedes-Benz unveils its revamped G-Class


The all-new G-Class makes its public debut at the Detroit auto show in G550 form. Completely redeveloped and fitted with a 4.0-liter V8 biturbo gasoline engine offering 427ps and 450 lb-ft of torque at 2,000rpm to 4,750rpm, despite near-identical looks to its predecessor plenty has changed for the Mercedes-Benz SUV.

Ford’s F150 pickup gets its first diesel motor


Developed by the powertrain team behind the 6.7-liter Power Stroke engine for super duty trucks, the all-new 3.0-liter V6 Power Stroke unit promises 250ps, 440 lb-ft of torque, and an anticipated 5175kg of towing capacity.

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In light of Fisker's solid-state battery breakthrough and claims of a one minute charge time, will this electric vehicle technology development kick-start mass BEV uptake? 


Powertrain mounts get Delphi's MR fluid

A new powertrain mount has been developed by Delphi Corporation. Using magnetorheological (MR) fluid that can change its dynamic rate in real time, the new MR Mount prevents the build-up of resonance in a system by maintaining control of the mounted mass across all appropriate frequencies. As well as significantly reducing powertrain noise and vibration, the new mount can improve vehicle performance and stability and help isolate the occupants from torque step events such as those generated by start-stop operation.

“This is the first technology that allows precise real-time management of the relevant frequencies created by an automotive powertrain, including the challenging low frequencies and higher amplitudes caused by transient torque events,” said Delphi’s MR Mount manager Timothy Schlangen. “Vehicle manufacturers working closely with Delphi have been excited by the wide range of benefits that MR Mounts can bring and by the increasing list of ways they can improve performance, safety and refinement through vehicle-specific tuning.” The first application will be for engine mounts in the 2010MY Porsche GT3.

Key to diagram: 
Blue (light and dark) – Orifice plate assembly
Red – Diaphragm
Purple – Mounting bracket
Grey – Rubber molded assembly with integral baseplate
Yellow – Mount inner insert
Orange – vehicle attachment stud
Maroon – electrical coils

11 August 2009


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