PU 18

	1/1				1/2				1/3				1/4
	G	I_y	W_SYS		G	I_y	W_SYS		G	I_y	W_SYS		G	I_y	W_SYS
	kg/m²	cm⁴/m	cm³/m		kg/m²	cm⁴/m	cm³/m		kg/m²	cm⁴/m	cm³/m		kg/m²	cm⁴/m	cm³/m
PU 18	256	96700	4090		192	54370	2300		171	58000	2450		171	58000	2450

G	Mass of the system
I_y	Moment of inertia
W_sys	Equivalent elastic section modulus