Practical Boat Owner

Subscribe
Digital edition

Practical Boat Owner

Search for:

Subscribe
- Digital editions
Practical
News
Boats
On the Water
Gear
- Gear Reviews
- Gear News
Forum
Videos
Books
About PBO
Marina Guide

Home
Nautical Almanac
Glossary of nautical terms

IOD

Ben Meakins
October 16, 2009

0shares

IOD

International One Design.

Read PBO magazine on screen

Get every issue of PBO on Android, iPhone, iPad or desktop

More DIY at home...

Painting and varnishing a boat: how to get the perfect finish

How to keep your anchor secure when not in use

Top tips

When your spark plug electrodes are red, yellow, brown or grey…

What does this mean?

De-craze a compass bowl
Reef according to apparent wind speed not true
Passage planning? Be flexible!
How to dry wet ropes
Line handling? Always take a turn

More tips

Latest issue

June issue – out 11 April

Is it time to swap your boat batteries? We look at the pros and cons of lithium-ion vs standard, installation dos and don’ts, bust the myths around lithium-ion batteries PLUS how to plug leaking decks, oil test for engine health and more! Order the June 2024 issue online now Buy a single issue delivered to your door! OR buy a single issue to download now · Buy a back issue…