[latigidigital]

Amazing site linked a bit down in that post:

http://www.projectrho.com/public_html/rocket/enginelist.php

http://www.projectrho.com/public_html/rocket/enginelist2.php

http://www.projectrho.com/public_html/rocket/enginelist3.php

RD-600: Soviet bimodal GCNTR on page 2 is the one from that discussion