In the past my UK Tape drive self tacking jib has always had full battens , Looking at different options and have had a discussion with Doyle and they suggest this . My Ross has the keel extension with L bulb . And yes typical winds in my area is 5 to 15 knts.
Neither Doyle SanFrancisco or Doyle HeadOffice like the full batten jib arrangement. Doyle HeadOffice recommend the top batten pocket be double sided. One side for a partial batten, one side for a full length batten. I have cut and pasted Glenn Cooks comments below after looking at a picture of your sail on dilligaf racing.
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