I think the flight dynamics are pretty much worked out. Got rid of the bucking and shuttering problems by increasing the horizontal stabilizer lift and adjusting the Pitch, roll, and yaw in the airfile with Aired. Still some shuttering on power up with brakes on and at rotation at 120 knts. Of course with six engines and a total of 681000 pounds of thrust I may not be able to get that spool up shudder out. 8) JPGs are =30000ft/Mach 1.2 /Landing test /Inverted stability test / Inverted climb stability test. All tests went well. Thanks Locke and everyone who helped me to get this far. Got to go more to do.