Mike Connor wrote:

Usually, people are advised to use a WF line one rating up from the rod
rating. For a long time, most rods had two ratings marked on the butt i.e
#6/#7 or similar.
This was usually a manufacturers recommendation that the rod would cast a
DT#6 or a WF#7. This is because a WF line of the same rating as the DT
would be too light to load the rod at short range, Many beginners still
have difficulty even when using a WF one rating higher, as this also does
not load the rod well at short range. If you have trouble loading the rod,
then use a DT one rating up.

This got my attention and prompts a question. I'm not trying to irritate
or criticize you, Mike. I'm genuinely curious.

If, as you say (and I believe), "there is no difference in the tapers at
this distance [30 feet], (on standard lines)," why is a WF "lighter"
than a DT and more difficult to load the rod?

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