Built from the exact ticket v8 geometry — Rob's throat-side construction: each S-1 elbow is 6 in straight at the throat, 45-degree miter, 6 in along the diagonal. S-2 fill 18-3/4 in, S-3 straight 31 in, overall 77-1/2 in, offset 27 in. Dark frames are TDC flanges at each fitting end. Drag to spin.
Drag to spin - pinch or scroll to zoom. NASA 2837 — 18x18 offset, EXACT ticket v8 geometry (Rob's throat-side build): S-1 elbows = 6in throat straight, 45-deg miter, 6in diagonal throat; S-2 fill 18-3/4; S-3 straight 31. Dark frames = TDC flanges AT each fitting end. Overall 77-1/2, offset 27. Drag to spin.