Cargil48, As this is the Beginners forum it would be better to leave all the comments in, good or bad, so that other beginners can see some of the pitfalls we all encounter on the road to stardom. Once the Moderators deem your work good enough to go into the main forum choices. Do a new AU German N...
The work you describe would require a proper shipyard though! Definitely an drydock, which were much rarer at the time then ramps to launch new ships from. That said, you do not increase stability by increasing the length, but mostly by increasing the beam, the so called bulging is an perfect examp...