I noticed on this forum that the spacing between the frames/bars is quite variable in topbar hives, tbh, warré..., from 1.25 inch or 3.175 cm wide for brood bars and 1.5 inches (3.81 cm) or more (5cm) for honey frames
Some Warre-ists install 7 frames (4.85 cm ; 1"9) for honey and 8 (3.75 cm ...