Acorn Tender (7'10) (Auk)

Description

The Acorn Tender, commonly referred to as the Auk in Iain Oughtred’s design catalog, is a 7'10" lightweight, glued-lapstrake plywood dinghy designed primarily as a rowing tender with optional sailing capability. It is the smallest boat in Oughtred’s Acorn series, which includes the 10'2" Acorn Dinghy (Puffin) and 11'9" Acorn Skiff. Inspired by traditional Whitehall-style tenders, the Auk is optimized for use as a yacht tender, solo rowing, or light recreational sailing in sheltered waters like lakes, rivers, or calm coastal areas. Its compact size, low weight, and classic lines make it ideal for car-topping, beach launching, or towing behind a larger vessel. The design emphasizes simplicity, beauty, and ease of construction, requiring no lofting and appealing to beginner-to-intermediate boat builders. The Auk’s name comes from Oughtred’s bird-themed naming convention, and it’s often described as a “little gem” for its balance of functionality and aesthetic appeal. It’s distinct from the longer, sleeker Acorn Skiff 11'9" (optimized for rowing) and the 10'2" Puffin (better for sailing due to its fuller transom and wider beam). The Auk prioritizes portability and tender duties, making it perfect for short trips or as a utility boat.

Construction Details

Designer Iain Oughtred
Length 7.830 ft
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The standard boat dimensions

i -
j -
p 4.08 ft
e 6.92 ft
p2 -
e2 -

Blueprints

Sails

Sail Type LUGSAIL
Luff * 4.08 ft - (1244 mm)
Foot * 6.92 ft - (2109 mm)
Leech 11 ft - (3353 mm)
Tack Angle * 85.13 °
Diag (clew/throat) 7.729 ft - (2356 mm)
Head 7.25 ft - (2210 mm)
Area * 42 ft²

Disclaimer. Boats are not all the same -- even when produced in the same factory of the same model. Sailrite does its best to publish accurate dimensions, but we often find it worthwhile to have our customers measure their boats carefully before we produce kits for them. You should take the same precautions, especially when the data is not from Sailrite.