Watch HoverVan Havoc | Top Gear | Series 20 | BBC in New Channel | Channify

Please be aware that Inhaling pure oxygen is potentially hazardous. Jeremy, Richard and James embark on a project to build a car that can turn into a hovercraft and bring relief to flooded areas of Britain. Their efforts don't start smoothly, but it's not long before the trio is demonstrating the brilliance of their creation with an eventful journey down the River Avon. Subscribe for more awesome Top Gear videos: http://www.youtube.com/subscription_center?add_user=Topgear Top Gear YouTube channel: http://www.youtube.com/topgear TopGear.com website: http://www.topgear.com Top Gear Facebook: http://www.facebook.com/topgear Top Gear Twitter: http://twitter.com/BBC_topgear This is a channel from BBC Studios, who help fund new BBC programmes.