Or Intuition in engineeringIn chapter 18 of “The Prince” by Nicollò Machiavelli, he notes that for a prince to achieve great things he must appear pious and to keep faith, but at times he must rely on force to achieve greatness. He goes on to note that writers of antiquity told stories of how Achilles and other great princes of Greek Mythology were given to a centaur (half man half horse) to be raised. This taught them how to act like men, and keep faith, but also how to be ruthless at times and use force, like a beast. But which beast? Sometimes he should be cunning like a fox to sense traps. Sometimes he needs to be powerful and forceful like a lion to defend himself against the wolves.
This is an example of the “And” winning over the “Or”. You will often fail if you always think you need to choose one option over the other. Instead, to succeed, you need to work out the best way to leverage each option at the right time. So can this concept apply to engineering? Beasts never engineer, at least not in the sense we are talking about. So does that not mean that as an engineer we should always be using the erudite and human approach? And that in turn means that there is no “And” in this case. In the engineering context, the equivalent of the way of the beast is intuition. We should, most of the time, be relying on the core of engineering expertise:
However, are there times when you can use your intuition? Intuition works when you have been working on the respective system repeatedly for some time. So much so that you have trained a part of your brain on that topic – like AI, but the original. So that’s when you can – but in cases like this you are not really being an engineer – you are not doing anything ingenious. Are there times when you should use your intuition? If you have limited resources and there are other aspects of the respective challenge that require proper engineering, then those aspects that are familiar to you, and allow for intuition, then that would be a time you should. But still don’t expect it to be an optimum solution you develop. Think now about times when you used intuition correctly and incorrectly in engineering. Was the reason for failure that you had not yet had enough time to develop it?
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Or – How to be a great engineer?The best of the best
Who is the greatest engineer in history? You might suggest one of the following:
But the more important question is: how do I get to be that good? First off, let’s note one thing: some of these engineers, while having great skill, experienced some serendipity. If Imhotep had been born some years earlier than he actually was, then there likely would have been no Egyptian empire to provide the resources needed to execute his vision. That means that there are possibly thousands of engineers who were just as great (when it comes to engineering skills and expertise), but they did not get to work on projects that would make them as well known. I hope you do – for one thing it would mean that there are still great engineering projects for me to read about and talk about – but I also write these articles so I can help you become the best engineer you can. So now let’s talk about the three attributes these engineers had – although, each probably had each attribute to varying degrees, and could have still benefited from further improvement. Framing Don’t always take the problem as given. Think about other ways you can bring about the desired outcome. In my book I talk about how a Formula 1 engineer took what all thought was an aerodynamics problem (where the gap under the car was too large for ground effects) and turned it into a suspension design problem (where the challenge became designing a suspension system that would lower under lighter aerodynamic loads, and return to the specified height for scrutineering). The key to framing is twofold:
We often get into trouble because of the things we don’t think of. When we implement our solution, we realise that it will cause another issue with a related system. So we want to prevent this. But, there’s more. We can sometimes use those related systems to help solve our challenge. So we also want to look more broadly at any challenge we have to find opportunities, as well as potential issues. To do this, think bigger. Don’t focus on only your own little challenge. Talk to others. Ask them what they have experienced. Go and see the location of the challenge (if you can). As you do all of these things, you will automatically spot potential issues and think of opportunities to explore further. First principles You have learned all that theory for a reason. When you choose to use it – either through hand calculations, simulations, experimentation, guiding principles and so on – you can make specific changes to your proposed solution to:
So always think about the theory applicable to each challenge you face. And don’t be afraid to learn about more if you can or need to. Over to you You now know that the greats did – they framed, they thought systemically, and they used first principles – so you can work on doing that too. If you want to learn more about each, then take a read of my book – I go over each (and other attributes of great engineers) in more detail. Which attribute do think will be the hardest for you, and what will you do now to start working on it? Or: how not to engineerUsually, we want to know how to be a global engineer – one who has mastered the attributes of engineering expertise and understands how context can affect both the development and application of those attributes. That way we can become an engineer of excellence who can work anywhere.
But there’s also value in knowing what not to do. And that’s the focus of this article. I’ll take three cases of engineers saying stupid things throughout history. Then I’ll take a shot at why they blundered. From that, we can learn how not to fall into the same traps. So let’s get started. Julius Sextus Frontinus (Roman engineer and Superintendent of Aqueducts) “Inventions reached their limit long ago, and I see no hope for further development.” 1st Century CE From the haughty position of the 21st century, we can certainly say Julius was spectacularly wrong. Not only have inventions continued, but our understanding of science has advanced enormously since his time. What’s more, he seemed blind to the fact that other parts of the world – China, India, the Andean civilizations of South America, to name a few – were also developing unique technologies. Julius simply couldn’t imagine that better worlds or better systems could exist. The lesson? Don’t ever become content. Always assume the world is full of problems waiting for solutions. Boeing Engineers “Mass production methods from the automotive industry are not applicable to aircraft.” (paraphrased) World War II During WWII, the United States needed to outproduce Germany and Japan in aircraft – especially bombers. At the time, it took around 200 times as many people to build an aircraft as it did a car, and the cost (per weight) was about 35 times higher. So it made sense to look at automotive-style production for planes. But many aeronautical engineers dismissed the idea. Aircraft, they said, required tighter tolerances, exotic materials, and more “finesse.” Even German engineers thought this kind of mass production was impossible. Of course, history proved them wrong. And yet, even today, I hear similar resistance when Lean, Agile, or other well-established methods are suggested in industries that see themselves as “too complicated” to used these new methods. What’s the real reason for this. I would say it is usually ego and laziness: we don’t want to admit gaps in our knowledge, and we don’t want to put in the effort to learn by trying something new. The lesson? Stay motivated to try new ideas and see if they make things better. (Side note: Charles E. Sorensen from Ford thought mass-producing aircraft would be easier than it was. He was overly optimistic. But if we made a list of engineers who underestimated how hard something would be, it would include you, me, and pretty much every engineer who has ever lived. Denialistic optimism might even be an essential engineering trait.) Richard Gerstenberg (then Chairman of General Motors) “Well, I have looked into this design [Compound Vortex Controlled Combustion], and while it might work on some little toy motorcycle engine, I see no potential for it on one of our GM car engines.” 1973 This was about Honda’s CVCC engine, developed to reduce pollution. When Honda tried to convince U.S. automakers to adopt the technology, Gerstenberg gave this response. Others in the U.S. also claimed it would reduce performance due to differences in cylinder size and geometry. In response, Honda acquired a Chevy Impala, fitted it with CVCC, and sent it back for testing. The poplar story goes that it outperformed the unmodified Impala across the board. In truth, the results were more mixed – but the system clearly had promise and should never have been dismissed so lightly. Why was it dismissed? Some argue it was because Honda was such a small player at the time. Which I think is related to the “not invented here” syndrome. We tend to disregard ideas from others – and more so when they are smaller or less reputable. The lesson? Apply first principles thinking before mouthing off. Closing I hope this has helped you think more about how to be a better engineer – even if it’s through the lens of what not to do. A global engineer avoids arrogance, embraces learning, and tests ideas no matter where they come from. That’s how we make sure we don’t end up as the next bad quote in history books. And if you know other examples of “stupid things engineers have said,” then please share them. Or, Are You Sure You Want to Quit Your Current Job to Work for That Start-Up? |
AuthorClint Steele is an expert in how engineering skills are influenced by your background and how you can enhance them once you understand yourself. He has written a book on the - The Global Engineer - and this blog delves further into the topic. Archives
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