I was disassembled my Sumatra today.Upper tube ID 2.04 cm OD 2.4 cm length 60cm wall thickness 1.8mm very scary volume 196 cmcLower tube ID 2.85 cm OD 3.4 cm length 40 cm wall thickness 2.75mm very scary thread pitch 1.5mm volume 255cmcTotal volume is 451 cmc .Now I have another problem.Don't you think guys that safety factor is on lower limit ?
I was disassembled my Sumatra today.Upper tube wall thickness 1.8mm very scary Lower tube wall thickness 2.75mm very scary Don't you think guys that safety factor is on lower limit ?