Open Access. Powered by Scholars. Published by Universities.®

Engineering Commons

Open Access. Powered by Scholars. Published by Universities.®

Mechanical Engineering

California Polytechnic State University, San Luis Obispo

Theses/Dissertations

2014

Automotive

Articles 1 - 1 of 1

Full-Text Articles in Engineering

Electric Porsche Drivetrain Re-Design, Taylor Carlson, Quinton Petty, Spencer Treffry Dec 2014

Electric Porsche Drivetrain Re-Design, Taylor Carlson, Quinton Petty, Spencer Treffry

Mechanical Engineering

The objective of this project was to redesign the drivetrain of the electric 1977 Porsche 911 Targa S with the goal of optimizing the drivetrain for motor efficiency and performance. The focus was to redesign the interface between the electric motor and rear wheels to maximize the efficiency of power transmission from the motor to the ground.

Two systems were proposed, a fixed gear reduction and two motors with an electronic differential. The fixed gear reduction was chosen to be designed and built by replacing the stock Porsche transmission with a differential featuring a favorable gear ratio for the electric …