Ngokutsho kwe-curvatus yayo ye-curvature, kukho i-radius ye-radius ye-radius kunye ne-radius emfutshane. I-dabbow ende i-elbow ibhekisa kwi-radius ye-curvatus ilingana namaxesha ayi-1.5 umbhobho ongaphandle wombhobho, oko kukuthi, r = 1.5d; I-radius i-radius elbow kuthetha ukuba i-radius yayo ye-curvature ilingana nobukhulu bangaphandle bombhobho, oko kukuthi, r = 1.0d. (Kwaye r yirediyo ye-curvatus).