Product Information: ..
Accessories for the torsion axle (U20050) consisting of two cylinders with nearly identical weights but different weight distributions, a mounting plate for the cylinders, a wooden disc and a wooden sphere.

Metal cylinder:
External diameter: 90 mm
Height: 90 mm
Weight: approx. 425 g

Cylinder:
Diameter: 90 mm
Height: 90 mm
Weight: approx. 425 g

Mounting plate:
Diameter: 100 mm
Weight: approx. 122 g

Disc:
Diameter: 220 mm
Height: 15 mm
Weight: approx. 425 g
Moment of inertia: 1/2·m·r2 = 2,57* 10-3 kg·m2

Sphere:
Diameter: 146 mm
Weight: approx. 1190 g
Moment of inertia: 2/5·m·r2 = 2,54* 10-3 kg·m2