Interview with John Simpson
John Simpson has been a boat designer for 45 years. I had a chance meet him at a Metal Boat Festival a few years ago. Now every time I go to one I look forward to hearing him speak. He has a vast knowledge of boat design and is always willing to share that knowledge.
John, you have been a long time member of the Metal Boat Society and contributor to the Metal Boat Quarterly, thank you for your years of support.
DB: When did you get into boating?
JS: My first boating experience was at 4 years old with my dad in an open 16’ rental boat with inboard engine.
When did you realize you wanted to design boats for a living and how did you become a yacht/marine designer?
Even though I had been sketching out boats for several years and had been boating since 10, it was during a university summer job maintaining 3 naval utility vessels (75’, 48’, and 36’) that design and construction got into my blood stream. My first step was to interview several naval architects to get a feel for the business. All were very helpful and one suggested the best path was to marry a rich woman (I didn’t). I did another summer job in a boatyard leading to a 4 year marine design/drafting and engineering apprenticeship at a shipyard where we built several ferries & barges and at that time, the world’s largest semi-submersible oil rig. At completion I had jobs with several naval architects designing yachts, fish boats, dredges, barges, etc. Around 1972 (incorporated 1974) I started doing my own design work and topping up wages working with a boat builder.
Could you tell us about your first commission?
The ‘first’was a 70’ steel schooner shortly followed by a 33’ fuel efficient motor cruiser(s). Both are still in service
Since that first commission, how many boats have you designed?
By my records about 110 – sail, power, commercial ranging in size from 17’ to 80’ in steel, aluminum, and FRP. Some designs evolved from originals so the total number is higher.
This may not sound like a lot of designs over 40+years but keep in mind that some designs can be complicated and if they need to meet Government Regulations, must be diligently monitored throughout construction… this and outside consult work absorbs time.
Not only do you have experience designing, but you have experience in building. Could you tell us about your boat building experience?
From a bare hull: a 9’ sailing dinghy & a 22’ sail boat. Plus, 2 years with one builder followed by 3 years doing custom power boats 30’ – 50’, the latter as foreman, estimator, assistant manager, & designer.
What lessons have you learned from building that have helped with your design work?
Try not to design what one boss called an “Architect’s Dream”… ie: impossible to build. It was obvious that the designer had no boatbuilding experience and little boating experience. I was just getting into my own design business and my ‘boss’ gave me some good advice:
Never forget that one day:
(a)You may have to build one of your designs.
(b) You may have to use one of your designs.
I have done both on several occasions
As a designer you are well versed in not only yachts, but commercial vessels. I hope our readers will go to your website http://www.simpsonmarinedesign.com and take a look at your portfolio. What are some of the challenges with commercial designs that are not present in recreational design?
The challenges are very similar but commercial boat (fishboats, etc) owners often push the limits, sometimes at great risk: Overloading, improper loading, or sailing into harm’s way, is not uncommon. Not all boats are the same.
What are some of the challenges with recreational and cruising designs?
Very similar to commercial vessels: Different boats (designs) have different characteristics and each must be used within its limits. Putting a hot-tub on the housetop of a pontoon type house boat might be fine but on a motor cruiser, it may not be an option.
Any tips for the amateur builder looking at designs and wanting to build their own
boat?
(a)Choose the right design by getting some boating experience.
(b) Work up a realistic schedule – with particular attention to time. Unfortunate as it is, I have seen many cases where the ‘boat project’ outlived the builder.
(c) Don’t underestimate the price. If your dream is a $500,000 yacht, you are not going to build it for $150,000. (not to the same standards at least.)
(d) Concentrate on the boat and not the parts. Building your own parts (windows, port lights, engine conversion, etc.) could be a poor investment of time: That 10 year project might stretch into 20…. And never get completed!
(e) Use marine parts & equipment – it is designed for that purpose. Boats equipped with automotive and/or domestic equipment may put you at risk.
(f) Get the ‘other half’ involved- being a “boat widow” is not fun.
(g) Pay now…or .. Pay later. Doing it properly the first time is a good investment. Corrections later can sometimes be very costly…. If they can be done at all.
Any tips for anyone wanting to modify a design of an existing boat?
Be very cautious: small changes can sometimes have huge consequences. Work with a naval architect/designer (preferably the one who did your boat)
Could you tell us about your consulting services you offer?
This covers wide variety of services ranging from performance estimates, propeller sizing, stability evaluation, to a design check (a review of the design with a second opinion).
Anything on the drawing board you want to tell us about?
A small project for a client that did a circumnavigation in one of my designs. They want to go from ‘offshore’ to ‘inshore’. It is a 30’, easily transportable sailing punt to be used for exploring various inland waters in North America & beyond.
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