30 20 15 1.5 2 2 2 2.5 3 3.5 4 5 6 7 8 JZR-6 and JZR-8 Aef = B1 x (H1-60-(14 x n)) in m² where n is a number of vanes.
30 20 15 1.5 2 2 2.5 3 3.5 4 5 6 7 8 JZR-6 in JZR-8 Aef = B1 x (H1-60-(14 x n)) izražen v m² pri čemer je n število lamel.