Model No. 680 FA: U 52
Description: Aluminum tubes below simultaneous impact of axial pull and inside pressure. Outward caliber 39 mm. Wall thickness 3,96 mm. Pull inside pressure extension, a) normal aluminum (679) 530, 190, 11, 2, b) Duralumin (680), 3000, 825, 1,5kg/cm2, kg/cm2, (Exhibits of the Institute for Applied Mechanics)
RE: V D J - Forschungsheft Nr. 303 Category: Models related to mechanics
RU: D IV 49,50