text: The Rail World (Forbes.com) Forbes.com - In 1986 Rohan Vos, a wealthy South African auto-parts dealer, bought several vintage railcars for his private amusement. He wanted to take his wife, four children and four dogs on a jaunt. He phoned Spoornet, the main state railway of South Africa, to rent a locomotive. Sure, said Spoornet. But the price caused Vos to blanch. Well then, suggested the officious official, Vos would simply have to take along some paying passengers.