At the risk of posting an "attaboy" I have to say that Jan has said a mouthful here:
Jan wrote:
Unfortunately, there seems to be little alternative to the
"experience is best" approach. Bicycles are such complex machines
that according to the book "Bicycle Science," in many areas one has
to rely on empirical data (that is, experience of what works and what
doesn't), because modeling and calculations cannot express this.
It's a can of worms. But just because you cannot measure it easily
(or haven't tried) that doesn't mean that there isn't anything there.
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