£8.39
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This small Speed/Time/Distance Calculator is a must have for any mariner, or for use at night school. Working on the slide rule principle the navigator enters two parts of the equation to get an instant answer on the third part. This is also available in a larger size.
Code: 1602
Customer Reviews4.85 4.8/5 Based on 5 reviews
ExcellentReviewed by Rjpadams on 14 Sep 2023
The Portand Speed Time Distance calculator was exactly as it had been described. It arrived on time, and well-packaged. Tracking available via Royal Mail.
Really helps!Reviewed by Davidjohngoodman on 08 Mar 2023
My mental maths is not the best. This really helps
ExcellentReviewed by Ian.davis5615 on 15 Jul 2021
Happy with this
SimpleReviewed by Simpsonda on 14 Nov 2019
Simple and no batteries
Christmas giftReviewed by Anonymous on 23 Dec 2016
Bought for my son as a gift for Christmas as it was requested on his list. Speedy delivery and would use this company again
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 is £5.10.
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 | £6.50 |
| Royal Mail 48 UK & N.Ireland (500g-1kg) | 2 - 3 Working Days | Yes | £6.50 |
| Royal Mail 48 UK & N.Ireland (1kg-1.25kg) | 2 - 3 Working Days | Yes | £6.50 |
| Royal Mail 48 UK & N.Ireland (1.25kg-1.5kg) | 2 - 3 Working Days | Yes | £6.60 |
| Royal Mail 48 UK & N.Ireland (1.5kg-1.75kg) | 2 - 3 Working Days | Yes | £6.90 |
| Royal Mail 48 UK & N.Ireland (1.75kg-2kg) | 2 - 3 Working Days | Yes | £7.21 |
| Royal Mail 48 UK & N.Ireland (2kg-3kg) | 2 - 3 Working Days | Yes | £7.83 |
| Royal Mail 48 UK & N.Ireland (3kg-5kg) | 2 - 3 Working Days | Yes | £7.13 |
| Royal Mail 48 UK & N.Ireland (5kg-8kg) | 2 - 3 Working Days | Yes | £13.51 |
| Royal Mail 48 UK & N.Ireland (8kg-10kg) | 2 - 3 Working Days | Yes | £17.90 |
| Royal Mail 48 UK & N.Ireland (10kg-12kg) | 2 - 3 Working Days | Yes | £20.83 |
| Royal Mail 48 UK & N.Ireland (12kg-14kg) | 2 - 3 Working Days | Yes | £23.76 |
| Royal Mail 48 UK & N.Ireland (14kg-16kg) | 2 - 3 Working Days | Yes | £26.68 |
| Royal Mail 48 UK & N.Ireland (16kg-18kg) | 2 - 3 Working Days | Yes | £29.61 |
| Royal Mail 48 UK & N.Ireland (18kg-20kg) | 2 - 3 Working Days | Yes | £32.54 |
| Royal Mail 48 UK & N.Ireland (20kg+) | 2 - 3 Working Days | Yes | £35.47 |
| Next Working Day (0-1kg) (Order before midday) | 1 - 2 Working Days | Yes | £12.00 |
| Next Working Day (1kg-2kg) (Order before midday) | 1 - 2 Working Days | Yes | £14.18 |
| Next Working Day (2kg-10kg) (Order before midday) | 1 - 2 Working Days | Yes | £31.52 |
| All Standard Orders Over £100 | 2 - 3 Working Days | Yes | FREE |
| Next Day (Saturday) (Order before midday) | Next Day | Yes | £22 |
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 | £25.00 |
| International Tracked & Signed (500g-1kg) | 3 - 7 Working Days | Yes | £30.00 |
| International Tracked & Signed (1kg-1.25kg) | 3 - 7 Working Days | Yes | £32.00 |
| International Tracked & Signed (1.25kg-1.5kg) | 3 - 7 Working Days | Yes | £36.00 |
| International Tracked & Signed (1.5kg-1.75kg) | 3 - 7 Working Days | Yes | £38.00 |
| International Tracked & Signed (1.75kg-2kg) | 3 - 7 Working Days | Yes | £41.00 |
| International Tracked & Signed (2kg-3kg) | 3 - 7 Working Days | Yes | £52.00 |
| International Tracked & Signed (3kg-5kg) | 3 - 7 Working Days | Yes | £74.00 |
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 (the latest edition of charts 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.
