Paper Trevithick Posted on May 9, 2019 by ren A paper model of the 1804 Trevithick Peny Darren. A Welsh locomotive that set out to haul five wagons carrying 10 tons of iron and 70 men over 9.75 miles. It was too heavy for the rails, but did complete the journey, winning a large bet for its owner. I completed this from a book of 50 supposedly “easy-to-make” models.