 Brecknell Willis high speed pantograph

The Brecknell Willis High Speed Pantograph is one of the four standard pantographs in use on British railway locomotives and multiple units.It was designed during the late 1970s / early 1980s by Brecknell Willis and British Rail Research Division as part of ongoing research into developing a pantograph capable of speeds over the 100 mph (160 km/h) limit of the Stone Faiveley AMBR pantograph, which was the standard type fitted at the time.