From the Rocna Knowledge Base
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All content regarding anchors particularly. For resources on anchor accessories and anchoring generally, please refer to the respective sections.

Rocna Anchors

Rocna sizing recommendations

An overview of the philosophy and rationale behind our conservative official anchor sizing.

Rocna bow compatibility

Indexed here is a growing collection of "boat cases" including photographs of Rocna installations.

Bow roller assembly design

A guide to designing the ideal bow roller set-up for a Rocna anchor.

Common fit challenges

An overview of typical issues related to installing a Rocna anchor, with solutions and one-off examples.

Anchor retainment

We advise against the use of through-shank retaining pins. Here's why, along with alternative suggestions.

Rocna feedback

A loose collection of independent feedback and links to external websites, categorized by seabed type.

Other anchors

Overviews of anchors other than the Rocna, including brief histories and comparisons with the Rocna.

CQR, Danforth, & Bruce (old generation anchors)

Delta anchor

Bügel anchor

Spade and Sword anchors

SARCA and Excel anchors


A look at copies of genuine anchor types, and why they should be avoided per se.


Anchor materials

Considering the best metal for your anchor to be built from.

Classification and certification

An overview of the mysterious world of anchor classification (Lloyd's, RINA, DNV, ABS, BV, et al).

Independent testing

Independent comparison testing data and analysis.