Charlie saws and hammers away aboard the slipped boats and inside the workshop Jack and his engineer are turning steel into drive shafts and couplings. The shop is hung with belts and pulleys, miles of chain and rope, buckets of nuts and bolts and a wall full of 12 volt globes of various wattage and size. There’s not much you can ask for that isn’t there. Not much that you would need at sea anyway.