By Capt. Bill Pike PMY Boat Test: Duffy-Herreshoff 30 Photo Gallery - Propulsion System Duffy-Herreshoff 30 — By Capt. Bill Pike Picnic Passage Photo Gallery The Duffy’s inboard propulsion system terminates in a forward shaft bearing. Photo © Capt. Bill Pike Previous Image | Next Image Thumbnail Index | Picnic Passage, Part 1 | Boat Test Index ‹ Duffy-Herreshoff 30 Page 14 up Duffy-Herreshoff 30 Page 16 › This article originally appeared in the January 2003 issue of Power & Motoryacht magazine.