One of ours went about 20 miles with the park brake stuck on the front axle of the trailer before pulling in for fuel and hearing what he thought was an air leak. Upon inspection he found a roaring fire id be proud of in my wood burner. Never seen a fuel station empty so quick in my life! Also the sight of a fat bloke with a fire extinguisher trying to get under the side skirts of the trailer was also a sight to behold