Double eagle. don’t be fooled by the traditional, well balanced lines of our double eagle design. underneath her timeless appearance lies a modern hull that can be. Riva aquarama 27 foot. possibly the most famous wooden boat worldwide, the aquarama was an intricate design with a ground breaking approach to both comfort and quality.. Building the ezi-build female mould if you are considering building a chine hull such as a power boat, single or double chine sail boat or similar craft, you.