Will an Active Anchor fit? Dimensions, storage and attachment checks

Key points

• Check the outline of the anchor and bag, not just the model name.
• Allow for the complete kit and access to it.
• A specification drawing does not prove bow-roller or windlass compatibility.
• Confirm model and drawing revision when source figures disagree.

Measure the storage arrangement you intend to use

Start with the actual opening into the locker or compartment, then consider the space behind it. A bag that sits inside a large cavity may still be awkward to pass through a smaller hatch. Check the path into and out of the space as well as its final resting position.

The manufacturer's fishing-anchor information highlights flat storage, and its product photographs show bagged arrangements. Those are useful examples of the design's format. They are not a guarantee that every bag, handle, shackle and length of chain will clear your particular opening.

For a tender, inflatable or kayak, also consider contact with the surrounding material and other equipment. A compact assembly still contains metal fittings and fluke edges. The way it is contained matters as much as the available volume.

Read drawings as model-specific references

The manufacturer maintains a specifications page linking model drawings. A drawing can help identify the outline and dimensions being described, but its model, version and annotations need to match the anchor being considered.

Some original manufacturer drawings retain weight or boat-length annotations that differ from TMP's current UK selection information. Do not use a vessel-length label on an older drawing to override the current product or finder limit.

Where a dimension is critical, ask for confirmation against the exact model and arrangement. We have not recertified physical dimensions simply by reading a PDF. This is particularly relevant when a small difference could determine whether an anchor passes through a hatch or seats correctly on a fitting.

These are the labelled shank lengths in the manufacturer listings, not overall bag dimensions or a recertified clearance envelope. Use the correct current drawing and confirm critical dimensions before relying on a close fit.

Bow fittings and rollers need their own checks

An anchor that can be stowed in a bag is not automatically suitable for permanent carriage on a bow roller. The geometry of the shank, flukes, pivots and any stop or ring has to work with the fitting and the rest of the boat.

Check the full movement and securing arrangement with a competent person before treating it as an installed system. A photograph of a larger Active Anchor on another boat is an example of that boat's arrangement, not blanket fitment evidence for other rollers or bowsprits.

The manufacturer's larger-vessel page discusses weight, storage and the pivot stop. Keep those configuration details visible in the fit discussion, since the hardware present on the anchor affects what you are measuring.

Separate attachment components from the anchor body

A shackle, swivel, sliding ring and length of chain each have their own role. A pictured combination does not establish the suitability of every component for your boat or prove compatibility with equipment already aboard.

In particular, a chain that appears in a product image cannot establish matching pitch, calibration or suitability for a windlass. Those details need checking against the actual chain and handling equipment. Likewise, the sliding ring is part of a described arrangement, not a reason to improvise a new attachment route.

Keep anchor weight separate from the weight of the whole kit. Add the actual components you will carry when assessing handling and storage. Current model information is available through the Active Anchors range.

Our view: send measurements and photographs

For a fit question, a few clear measurements and photographs are more useful than the boat length alone. Show the opening, surrounding space, existing fitting and the route through which the anchor must move. Identify the exact model being considered.

We would rather resolve a tight clearance before an order than give a general assurance from a similar-looking installation. Contact TMP Global with those details. If you have not yet narrowed the model, begin with the anchor finder and treat the physical-fit check as a separate decision.

Frequently asked questions

Does the model number tell me the complete stored size?

No. Use the correct drawing and confirm the complete arrangement, including any bag, ring, shackle or other equipment that affects storage.

Can I assume a bow-roller fit from a product photograph?

No. The actual geometry, securing arrangement and surrounding fittings need checking for your boat.

What if a drawing and the current product page disagree?

Ask about the discrepancy before ordering or fitting. Keep the drawing's version and the exact model details available so the question can be resolved.