Well its seem as if some places hack down the the base circles creating bigger lobes (in relation to the base circle) which would limit lift to the amount of material that could be removed from the base circle.
If also seems from Raizins experience Crower does it different as described.
So there we have it.
:farfrommugen: Yes I still own a 2gnt. Damn right I've been here longer than U klassic_liven@yahoo.com