down' and shelter in strong wind and rain, and, more importantly, from waves washing over the deck. Designed by Rob Humphreys, the identical steel ocean racing yachts were built by Devonport Yachts in the UK by a new method using a unique flat-pack yacht assembly kit of precision cut laser steel panels. Buyers of the yachts after the demise of Challenge Business Challenge 72 fleet Challenge 67 fleet References External links CatZero Tall Ships Youth Trust Pangaea Exploration Polar Bear Challenge Wales Big Spirit Ocean Youth Trust Website for yacht British Steel Challenge 67 Ironbarque MariFlex Challenge Sailing-Sclerosis.org Round-the-world sailing competitions Yachting races