This large sized Speed/Time/Distance calculator is an essential nautical plotting tool and accompaniment to our navigational protractors. An easy to use calculation tool that allows you to quickly decipher, for example, the time required to run a certain distance when you know the speed you’ll be travelling.
Working on the slide rule principle, a navigator simply enters two parts of the equation to get an instant answer on the third, and most crucial number. With periods between 15 seconds and 4 days,
Code: 6560
Customer Reviews 5.0 5 5.0/5 Based on 2 reviews
Nice Reviewed by Jackyting on 22 Jan 2021
i like it very much.
Handy Reviewed by Davidaldous01 on 07 Aug 2020
Very helpful
UK Postage & Packing Charges
These rates apply to standard UK delivery only: (all British Isles including BFPO & Channel Islands).
Orders placed before 3pm will be dispatched the same day, orders after that time will be sent the next working day (excluding Saturdays), subject to the item being in stock.
Delivery on all Admiralty charts only £2.
Mainland & Northern Ireland UK Delivery Rates
| Delivery Option | Delivery Time | Signed For | Cost |
|---|---|---|---|
| Royal Mail 48 UK & N.Ireland (0-500g) | 2 - 3 Working Days | Yes | £4.50 |
| Royal Mail 48 UK & N.Ireland (500g-1kg) | 2 - 3 Working Days | Yes | £4.50 |
| Royal Mail 48 UK & N.Ireland (1kg-1.25kg) | 2 - 3 Working Days | Yes | £4.50 |
| Royal Mail 48 UK & N.Ireland (1.25kg-1.5kg) | 2 - 3 Working Days | Yes | £4.60 |
| Royal Mail 48 UK & N.Ireland (1.5kg-1.75kg) | 2 - 3 Working Days | Yes | £4.90 |
| Royal Mail 48 UK & N.Ireland (1.75kg-2kg) | 2 - 3 Working Days | Yes | £5.21 |
| Royal Mail 48 UK & N.Ireland (2kg-3kg) | 2 - 3 Working Days | Yes | £5.83 |
| Royal Mail 48 UK & N.Ireland (3kg-5kg) | 2 - 3 Working Days | Yes | £9.13 |
| Royal Mail 48 UK & N.Ireland (5kg-8kg) | 2 - 3 Working Days | Yes | £11.51 |
| Royal Mail 48 UK & N.Ireland (8kg-10kg) | 2 - 3 Working Days | Yes | £15.90 |
| Royal Mail 48 UK & N.Ireland (10kg-12kg) | 2 - 3 Working Days | Yes | £18.83 |
| Royal Mail 48 UK & N.Ireland (12kg-14kg) | 2 - 3 Working Days | Yes | £21.76 |
| Royal Mail 48 UK & N.Ireland (14kg-16kg) | 2 - 3 Working Days | Yes | £24.68 |
| Royal Mail 48 UK & N.Ireland (16kg-18kg) | 2 - 3 Working Days | Yes | £27.61 |
| Royal Mail 48 UK & N.Ireland (18kg-20kg) | 2 - 3 Working Days | Yes | £30.54 |
| Royal Mail 48 UK & N.Ireland (20kg+) | 2 - 3 Working Days | Yes | £33.47 |
| Next Day Guaranteed (0-500g) | 2 - 3 Working Days | Yes | £8.70 |
| Next Day Guaranteed (500g-1kg) | 2 - 3 Working Days | Yes | £10.02 |
| Next Day Guaranteed (1kg-2kg) | 2 - 3 Working Days | Yes | £12.18 |
| Next Day Guaranteed (2kg-10kg) | 2 - 3 Working Days | Yes | £29.52 |
| All Standard Orders Over £100 | 2 - 3 Working Days | Yes | FREE |
International Orders
Our international orders are sent using Royal Mail's Airmail service.
Delivery is calculated based on the weight of your order and is displayed in your cart prior to purchase.
All taxes and duties incurred once the shipment has reached the destination country are the responsibility of the customer.
If delivery options are not available for your country, please get in touch with us directly for a quote.
| Delivery Option | Delivery Time | Signed For | Cost |
|---|---|---|---|
| International Tracked & Signed (0-500g) | 3 - 7 Working Days | Yes | £11.50 |
| International Tracked & Signed (500g-1kg) | 3 - 7 Working Days | Yes | £14.00 |
| International Tracked & Signed (1kg-1.25kg) | 3 - 7 Working Days | Yes | £15.00 |
| International Tracked & Signed (1.25kg-1.5kg) | 3 - 7 Working Days | Yes | £17.00 |
| International Tracked & Signed (1.5kg-1.75kg) | 3 - 7 Working Days | Yes | £18.00 |
| International Tracked & Signed (1.75kg-2kg) | 3 - 7 Working Days | Yes | £19.50 |
| International Tracked & Signed (2kg-3kg) | 3 - 7 Working Days | Yes | £25.00 |
| International Tracked & Signed (3kg-5kg) | 3 - 7 Working Days | Yes | £36.00 |
The Sea Chest are happy to offer a full refund for goods returned in saleable condition, providing we are notified within 14 days of receipt. This policy does not affect your statutory rights.
Printed On Demand Admiralty Charts Returns Policy
As all of our Admiralty Charts are now Printed On Demand (i.e. when you order them), we can no longer refund the full cost of your order if you wish to return it. We will refund 40% of your order total in order to cover our costs.
To that effect, please make sure that you are happy with the coverage area of your chart prior to buying. If you have any questions before purchasing, please don't hesitate to contact us.
