By Peter A. Janssen It looks like Bertram has hit a home run with renderings of a beautiful new 50 Express, scheduled to be launched next spring. The 50, the company’s first express in many years, comes as Bertram is enjoying a remarkable turnaround under new leadership and a new plant. Indeed, the 50 will come on the heels of the successful launch of a new 61 in 2017 and the introduction of a new 35, meant to be a modern interpretation of the iconic Bertram 31, in 2016. Bertram once was one of the most celebrated brands in offshore…