Williams not ruling out flywheel KERS

Williams technical director Sam Michael says his team is not ruling out using its flywheel KERS this year, although he conceded it was very unlikely. The team will start the season with its battery-based KERS, after having ruled out the flywheel version because of packing reasons

Source: http://www.iracing.com/inracingnews/formula-one-news/f1-formula-one-news/williams-not-ruling-out-flywheel-kers/

Gus Hutchison Helmuth Koinigg Denny Hamlin Olivier Grouillard