It did not look like the decking over the tail would not come off to install the elevator. I emailed Brodak and got the following reply.
Hi John - Happy New Year, hope all is well with you.
The SV-11 is designed to have the upper rear fuselage block removed so the tail (completed assembly) can drop in the saddle, then the top rear block cemented in place. My prototype built well with no issues, but I have another SV-11 here to look at. Sure enough, it looked like the rear block was rigid but it was not. On this one the covering was scored vertically from the LE of the stab opening but the block seemed secure. I poked at it with my knife and confirmed that the block was NOT glued there, but it looks like there was an excess spot of glue holding the upper saddle to the fuse. The tail post was also not separated at the joint. I think the build it this way as a means of holding all the parts together while they shape then cover them.
I cut the covering and the trim were cut through at the front of the rear block. Next I cut the tail post at the back of the stab opening, to use a knife to cut UPWARDS from the leading edge of the stab opening one side at a time. The rear hatch popped right off.
I suggest you give your SV a poke & a prod and see if the rear fuse will pop loose for you. Let me know if it works - or not!
Dennis Adamisin
Electric Power Systems Consultant
Brodak Manufacturing & Distribution
dennis@brodak.com
His reply also included several photos. Brodak is the best!!!