further complicated by the fact that Vr on the classic 300 is also determined by tail clearance. This means that on a non-limiting runway, when V2 is optimised, then Vr is also increased to increase the available wt.
Also true on the 300-er but to a much lesser degree because of the semi-levered gear and the electronic tail-bumper, which decrease Vr by about 10kts for the same wt. or about 10 extra tons in a limited case for the same Vr.
In a light 200 (220t) 22 c non limiting runway flap 5 with V2 optimising
V1 145
Vr 146
V2 150
but the permentations are great
Vr/V2 ratio higher in the 300