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Weems & Plath Vectormaster

Size:	178 x 178 x 5 mm

£54⁹⁵

VAT included

Delivery Information

We aim to dispatch all orders by the next business day, but we're a small business and sometimes when it's busy it may take a little bit longer. If there's going to be any delays we'll get in touch and keep you up-to-date.

Shipping is free for all orders of £50 or more!

We work with Royal Mail, DPD and DHL to offer the most convenient delivery options to our customers.

Friendly Advice

Chris is a Master Mariner and knows a thing or two about seafaring. If you need any help then don't be shy - send us an email or get in touch using the WhatsApp icon.

Easy Returns

Not what you were looking for? No problem. We can accept returns of items in as-sold condition for up to 30 days (maybe a bit longer but don't tell anyone).

Just let us know and we'll sort everything out, including the shipping cost back to us.

Unfortunately this doesn't apply to Print on Demand charts as they are correct at the time of printing.

Of course if there's any faults or damage then let us know and we'll make it right!

Solve wind and current problems quickly at sea

A multi-use navigation slide rule – ideal for storm evasion, wind vectors, fuel use, and more.

The Weems & Plath Vectormaster is a versatile circular slide rule designed to solve a wide range of navigation problems quickly and accurately. With the position of a storm and its speed and direction, the Vectormaster helps you calculate the optimal course to maximise your distance from danger.

This two-sided tool is equally valuable for routine calculations at sea – including time, speed, and distance, fuel consumption, and conversions. By rotating the dial on the face, navigators can quickly solve problems involving vectors such as current sailing, true wind direction and force, or expected apparent wind on alternative headings. Its durable PVC construction makes it a reliable companion on any voyage.

Two-sided circular slide rule for rapid vector solutions
Ideal for storm avoidance, current sailing, wind calculations, and more
Also solves time, speed, distance, fuel, and conversion problems
Made from sturdy PVC with instructions on the back
Covered by Weems & Plath’s Limited Lifetime Warranty

About Weems & Plath

Founded in 1928 by Lieutenant Commander Philip Van Horn Weems, Weems & Plath has a long and distinguished history of providing sailors with high-quality nautical instruments and navigational tools. From the Weems Plotter to the Second Setting Watch, their innovations have helped shape the world of navigation.

Today, Weems & Plath continues to uphold its tradition of craftsmanship, offering a wide range of tools and instruments for sailors of all levels.