An eccentric engineer believes he's beaten a speed record after reaching a whopping 55mph - in a wheelie bin.<br /><br />Madcap Michael Wallhead, 31, clocked up the breakneck speed in the souped-up green bin he'd spent around £700 worth of modifications on.<br /><br />And after recording an average speed of 54.9mph in two lengths of a runway, beating the previous world record of 45.092mph, held by Andy Jennings.
