While the following statement is unconfirmed, it is said Duncanson saw the first S&S 34 arrive in Adelaide AUS and took photographs to copy the hull and rig. He then tasked naval architect Allen Blackburne to work from the photos to come up with the design for the Duncanson 35.

Thanks to Dragos for information, specs and sail plan.

LOA including protruding rudder: 6m / 19.68 ft.

A later ad from the builder (1982) shows slightly larger dimensions…
LOA: 5.05m / 16.56 ft
Beam: 2.17m / 7.12 ft

Hull: 14m / 45.92 ft

Also available with a Volvo engine.
Build dates are not confirmed.

This is an updated, slightly larger, Fellowship 27.
LOA is 1.33ft/40cm longer
Beam is 0.5ft / 16cm wider

Thanks to Jaime Paiva, owner of a Fellowship 28, for sending information and a brochure.

Available with keel/centerboard. Draft: Max 1.4m/4.59ft; Min .65m/2.13ft

Originally called the Buvenäs Cruiser.
Brohäll design #60
Also available with transom mounted rudder (pictured)
Drawing courtesy Marinmuseum (https://www.marinmuseum.se/en)
Photo courtesy of Tur 80 (#184 “Filur”) owner Mads Drewsen.

Motorsailer.

SP Cruiser MK II introduced in 2014. LOA listed at 43.58 ft. SA listed at 733 sqft.

Available with swing keel and transom hung rudder. Draft Max: 1.5m/4.92ft; Min: .65m/2.13ft
Optional engines on the swing keel version: Farymann 5hp or 8hp diesel.