Andre....that's how I got into building submarines. Many years ago I wanted to build a Titanic model with the idea of hitting an r/c iceberg, having the ship sink, and then refloating her. Having no idea as to how to go about it, I found the Association of Model Submariners, contacted a certain Bernie Wood, who suggested I build a sub to get the idea. I did...and have built subs more or less ever since.
The Titanic only got as far as the keel being laid, it was in my garage for years until it had warped so badly I had to dispose of it...at 14' 4" long it would have been a right handful to move about, but I was younger and fitter then. Until my split with the wife I still had the iceberg in the attic....wonder what happened to that?
This one will be surface running only......

Rich