The long, thin profile of the Pelamis structure is also "self-limiting" in the amount of energy it absorbs from the hydrostatic forces of buoyancy against weight, making it nearly "invisible" to the inertia, drag and slamming brought to bear on it as the largest waves roll through.
P2 is tuning up for a swell time
2 June 2011 22:00 GMT
Updated
25 November 2012 16:08 GMT