About
I have spent 6+ years working as a design engineer in the commercial vehicle industry. I have worked with every major commercial truck OEM around the globe, and some construction, agriculture, and motorcycle OEMs too.
The rigorous design processes and strict quality standards in this industry have given me a unique perspective on problem solving that I am sharing with you in the form of tools and guides.
Engineering principles are not limited to product design or manufacturing. Together, we can use them to solve technical problems, model investments, and more.
Professional Work
I have been a mechanical engineer at Sensata Technologies since 2015. During that time, I have designed, validated, and launched into production two families of magnetic rotational position sensors (Hall Effect), and 5 high voltage contactors and fuses for commercial vehicle applications.
Currently, I am designing contactors, fuses, and high voltage junction boxes for fast-charging in commercial EVs, and providing applications engineering support to OEMs as they design their batteries and charging systems.
Fun Engineering Projects
I love tinkering, learning how things work, and making new things.
In 2015, I restored a 1976 Honda CB750F motorcycle. Click below to learn more about that project.
My favorite part of engineering is creating devices to do things that have never been done before. I love the process of figuring out whether something new is possible. I am currently designing an electronic pedal steel guitar, which will play just like a standard pedal steel except instead of having mechanical benders it will have electronic pedals and a servo-controlled string bender system.
Click below to follow this project on YouTube.
Andrew’s Workshop is a YouTube channel where I post videos about some of my projects.
Click below to follow the channel.
Options Trading
I have been actively trading stocks since 2015 and options since 2019. Today I mostly trade options. I started out selling neutral spreads on ETFs, as well as some credit spreads on specific stocks and ETFs. After a few months I started disliking that strategy and I switched to buying long-term options almost exclusively. I mostly buy individual calls when I can afford them, and call debit spreads when I can’t.
I recently analyzed almost two thousand call options on SPY to help myself understand the effects of strike price, expiration date, time decay, volatility, and the other Greeks on option prices. This analysis wound up yielding enough graphical data and insights to fill a 60 page study, so I wrote the study and it is available for download at the link below. Hopefully this study can be useful to other amateur option investors like myself.
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