Something has been bothering me all week:
Vance recommends making a bent endpin of the same length as your original endpin, but with a 44 degree angle.
http://www.slavapub.net/pdf/ReaderNo1.pdf
The Laborie endpin utilizes a new hole in the endblock, near the back of the bass at the same angle, but does not mention the length relative to your original endpin.
http://www.slavapub.net/pdf/LaborieEndpininstr.pdf
My question is this: I am going to assume (and this may be my problem) that both are to be the same length. If this is the case, the results would be quite different. The bent endpin (A), with it's pin originating from somewhere near the center of the block, would yield a balance point (that is to say, a point of contact with the floor) much nearer the instrument's center of gravity when it is held vertically than the Laborie endpin (B).
It seems to me as though (B) can be leaned much farther back and still be "falling forward" as I understand is the whole point of the bent/Laborie endpin. Should I be bending the bent endpin more? I asked for action shots in another thread and I think this will really clarify things for me.