montrealshark

I have a follow up question to this - I have a similar shuttle design (only difference is a short MK3 rocket fuel fuselage instead of monoprop at the back and thuds for OMS), and I'm having similar issues with CoM location and getting it to fly stably during reentry. I understand the concepts Snark mentioned about CoM/CoL and placement of control surfaces. What I don't understand is why I've seen many similar designs that can remain stable during a nose up pancake reentry. What changes do I need to make to the shuttle to get it to fly right during reentry (and still look like a shuttle)? I'm clearly missing something, but I can't figure out what based on pictures of other STS type craft. Pictures of my shuttle: http://imgur.com/jz9NkhP http://imgur.com/taUwFXg http://imgur.com/Y6Aaznk