A rendered CAD model of the rear suspension shows the thermoplastic composite components in red. The glass-reinforced nylon 6 parts are the primary springs, and the upper control arms function as secondary springs in roll conditions.
A racecar fitted with a prototype rear suspension will compete in the Sports Car Club of America's 2015 season as a proof-of-concept demonstrator for using thermoplastic composite suspension components in future light-duty vehicle production applications. Read more at http://articles.sae.org/13523 .