A boat sailing

Correct rig tension will maximise the efficiency of your boat’s sails as well as reduce stresses on the mast. David Pugh demonstrates simple rig tuning

rig-tension-gauge-test

It’s vitally important to ensure that the tension of your boat’s rigging is within the correct limits: Alex Bell tests four rig tension gauges to assess their accuracy

Transocean Winner. Credit: Jane Haysome

No pollution has been detected in the area of the grounded 17,000-tonne rig, despite salvors reporting that two fuel tanks may have been breached.