“…Verification of test parameters with T 0 =75 kgf, M t =0.25 kgf•m (N=1047 kgf), and a friction coefficient μ=1.0 lead to the theoretical demand. The value of μ was assumed to be the double of the static coefficient between steel-steel, which is about 0.5 (Sanborn & Stewart, 2020), due to the use of sandpaper tom that increases this coefficient. The above leads to: = 0.53°, 0 =3214 kgf•m, k 1 =3.44•10 5 kgf•m, k 2 =9.69•10 3 kgf, 0 =138 kgf•m, and the maximum moment M=3804 kgf•m.…”