I wouldn't buy anything yet. As I haven't tried putting everything together and it might turn out to be a big bust without some machining. I was curious if you already had one of those Atlantis bridges. Here is what they look like with the A-tank.
View attachment 950601
Since it seems you don't have one, just hang on until I find out what works and what doesn't.
Thanks for looking into it. I'll wait for your findings.