Originally Posted by
cny-bikeman
Which angle? do you mean the rake (distance the fork dropouts are forward of the imaginary line drawn through the head tube)? Or are you asking how to determine if the blades are equidistant laterally from the head tube?
equidistance of the blades is solved with the wheel example above.im talking about the straightness of the forkblades in comparison to the head tube,just like it was before the crash.
fietsbob says an interesting approach.