Cardman wrote:
I found some interesting Buran photos that you may desire to closely
look at...
http://www.lindenhillimports.com/buran.htm

That I believe is their only surviving v2 model. Certainly there are
major changes design changes from their only Buran v1 model that went
into space and back.
Incorrect. That is Buran "aerodynamic prototype" test article BTS-02
GLI. It was equippedd with four jet engines to test subsonic flight,
approach and landing.
http://www.buran.ru/htm/anabst.htm
http://www.buran.ru/htm/anabst2.htm