Adventure 40 Hull Design

Chapter 9 of 18 in the Online Book Adventure 40

Elecvation

Well, it’s been a long haul, over two years since I first came up with the concept that became, with the help of many of you, the Adventure 40. A strong, fast, and reliable offshore voyaging boat that you will be able to buy, ready to circumnavigate the world, for US$200,000.

And now, at last, thanks to Erik de Jong, we have a preliminary design. I say preliminary because before Erik does the structural engineering, final hydrostatic analysis, and optimization, we are going to share the design with you, our readers, so that the boat can benefit from the same great process of collaborative thought that yielded such a great specification.

Once we have, over this summer, shared first the hull form–in this post–and then the rig and deck and finally the interior arrangement–in two more posts–Erik will return to his computer and complete the design. The final step in the design phase will be a full check over and evaluation by another naval architect, and then construction of the prototype starts.

As you read these design posts, it’s important to keep in mind that, as I explained in this post, the fundamentals of hull design are well understood, so the key to success is not the application of some high tech black art, but rather formulating a clear understanding of what the boat is intended to do, and then keeping a laser-like focus on that as the boat is designed. Erik has succeeded in this admirably.

If you have not read the original hull form specification post, or even if you have but it was some time ago, please read it now so that you are clear on the goals for the design. Please pay particular attention to the sections on why speed and windward ability are so important.


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