Any chance the dimensions data from SciFi.com was saved in some form?
Topic on Talk:Celestra type
From Battlestar Wiki, the free, open content Battlestar Galactica encyclopedia and episode guide
It might be available via the Internet Wayback Machine...
Trying to work through that website gives me a headache. I'm still attempting to locate a Battlestar fan website that had names for various Viper pilots before most were confirmed or just complete fandom.