A successful vacation should be one that satisfies your adrenaline rush and your taste buds. So after Ethan and I submitted our heat exchanger design to the manufacturer in Xela, we grabbed our packs and hopped on a chicken bus to meet up with Ethan’s family. They had made the trek down to Guatemala to visit for vacation and very graciously extended an invitation to me. It was an incredible opportunity to take a breath from the previously insane week and explore more of the country, including Antigua, Chichicastenango, and Lake Atitlan. Between the restaurants, the superb Schrag family cooking in the Airbnb, and the chocobananas, it was certainly endorphin inducing.

The first city we visited, Antigua, which literally translates to “ancient,” used to be the capital of Guatemala and is rich with history (and tourists). I do not particularly enjoy shopping, but as my fourth visit to the city, I love entertaining myself by aimlessly wandering the cobblestone streets, browsing for really unique paintings, and eating very tiny, but free samples of chocolate. Fortunately, not bringing work on vacation is almost painful for me, especially as the heat exchanger’s structural support design needed to be finished yet. I was sure to wake up for some occasional early morning engineering fun, calculations, textbook reading, and simulations.

Chichicastenango is the largest indigenous market in Central America. We visited three different museums in Chichi, including the Museum of Masks, the Mayan/Catholic Church, and a museum containing ancient Mayan paintings and pottery. The Church combined both Mayan and Catholic beliefs, traditions, and ceremonies, and I was intrigued by the different prayer stations throughout the church; the concepts of each station were very practical, including successful agriculture and the battle of drug addiction within their community. The museum of the Mayan paintings had an interesting take on the creation story with people made from corn as it is a very important crop to the Mayan people. (Wait, am I still in the Midwest?)

The thunderstorms did not let up much all week. Large areas of both Chichicastenango and Lake Atitlan lost power while we visited, but power outages are actually very common throughout all of Guatemala. The electrical grid in Guatemala is not very robust and is an electrical engineer’s nightmare. Ethan actually overheard a conversation between a man, holding a large role of duct tape and standing beneath some precarious scaffolding, yell up to his coworker fixing the power lines on top of a light post, “Negro es negativo!” The man looked at the hopefully not live wires in his hands and replied, “Ohhhhhh…” Anyway, I thought the candlelight dinner complimented by the natural light show was very aesthetic.
At another restaurant with a large buffet of traditional Mayan food and unlabeled meat including my “too late, it’s already ingested” discovery of cow tongue, I almost pet a parrot until Ethan informed me of their 700 psi bite force. I decided I liked my fingers still attached to my hand.

The world continues to seem smaller the more I travel because the owner of our Airbnb in Chichi taught Spanish in a Waukesha elementary school. She showed me a picture of herself in Cathedral Square Park in Milwaukee, right in front of my university’s library. She was a very sweet woman with four cats, a dog, and an overabundance of cow decorations. We asked for her permission to pet her dog on the balcony to which she happily said yes. When I let him sniff my hand, he wiggled his tail for about two seconds with almost more happiness than his owner and then chomp. I really did not expect my first lovely experience of a dog bite in Guatemala to be from a domestic animal. But you know that survival technique where you need to be just a bit faster than the last person to escape a bear attack? I twisted my hand out of the dog’s mouth, causing only minor bruising, and sprinted off the balcony to the closest room, slamming the door. Unfortunately, Ethan was in second and got a bigger chomp to his back thigh. He thankfully had thick jeans and no major injuries either, but our adrenaline was definitely pumping. But again, I like my fingers attached to my hand, and I was still 10/10 for all my fingers on this trip.

Ethan and I originally intended to join for only the first two legs of the trip as we needed to head to Cobán with our heat exchanger, but the manufacturing ended up taking longer and bumping our departure a day later. We hopped on the opportunity to visit “the most beautiful lake in the world” even if just for 24 hours. On the steep switchbacks of Guatemala to Lake Atitlan, we found ourselves stuck in traffic from a horrific accident of a semi truck that went over the side of the cliff. I have always been horrified by the graphic news portrayed here, especially in the Nuestro Diario — the popular Guatemalan gossip column I was almost interviewed for in March for my work with the cardamom industry here.

Ethan, his sister Julia, and I needed to make the most of our single day so we swam in the gorgeous lake despite the forceful downpour. The streets turned into flashflood rivers, but Ethan convinced me that my idea of a slip n’ slide would be a bad one. Overall, the entire week was paradise, and I spent a lot of enjoyable time reading, relaxing, and hearing hilarious childhood stories about Ethan.

The evening we returned from Atitlan, I woke up at three in the morning with extremely intense stomach cramps and diarrhea, but we were supposed to leave in exactly 24 hours for Cobán. That morning I received the disheartening text that the heat exchanger was still not finished, but that frustrating delay ended up being a miracle. I took my prescription traveler’s medication, and I had until early Thursday morning to recover.
The heat exchanger was still not ready Wednesday night, but Ethan and I headed out to work on the rest of the system. Our boss was already in Cobán, but we only had 1.5 days with him before he returned to Xela for some meetings. We got a quick run down of the components already manufactured and what our project tasks were, including setting up the gas line, building the firebox and structural supports, wiring the entire system, programming the temperature controller, setting up the temperature/pressure/velocity sensors, programming the data logger, collecting data, and building and testing MSOE’s retrofit design to improve the heat exchanger. 1.5 days later, Ethan and I were basically alone, living in a cockroach invested hotel eight hours from the office for three weeks straight, but the independence and trust on such a challenging, but rewarding project was incredible.

With that independence, I realized I still had not recovered from being sick and had to visit a medical clinic by myself in Cobán. The cramps were only severe for the first two days of being sick, but I still was experiencing a lot of discomfort after six days of my body failing to absorb water and nutrients. If I thought engineering Spanish was challenging, I was even less knowledgeable on basic medical Spanish. I did not completely understand my prognosis from the doctor, but they prescribed anti-parasitic medicine. After eleven days of being sick and a copious amount of nasty, grape electrolyte juice, things finally started improving.
Because of our tight timeline and high workload, Ethan and I worked six days a week for usually nine, sometimes ten hours a day. Despite being sick, I never really stopped working, except on Sunday. We were at a private workshop in a small rural community with some trees I became well acquainted with as my bathroom.

When building a prototype, the construction process always seems to be fixing one problem until you find the next one prohibiting your system from functioning. Ethan and I actually applied and used a lot of the lab experience and theoretical knowledge we had gained during our junior year, but we also relied on operation manuals, emails to the technical support teams of our purchased equipment, some intuition, and a lot of, “I hope this works out…”

After our 1200 lb heat exchanger left Xela on Monday morning, the large flatbed trailer arrived in Cobán after driving straight through the night. Guatemala is not particularly known for their construction safety, and I do not think our process to lift the heat exchanger 4.5′ with a single rope wrapped around the massive teeter-tottering heat exchanger and a lift that was 6″ too short and needed two people to stand on the base so it did not tip was exactly OSHA certified. But hey, I am still 10/10 with fingers.

In our contract with EWB-USA, Ethan and I agreed to not operate any vehicles in Guatemala — not that I would ever want to drive on the rough, narrow roads with the apparently optional traffic laws that may or may not even exist. Therefore, whenever we needed to quite frequently run to a store for parts, we relied on foot or public transportation. One of our biggest issues included finding the coupling to connect our pressure regulator to the propane tank. After at least twelve miles of walking to visit seventeen different stores in Cobán, I finally found our left threaded coupling and only managed to run into one crazy man who almost tried to steal our expensive pressure regulator.

Once we sealed the entire gas line with Teflon tape and checked for leaks, Ethan and I drilled a larger orifice hole in the burner and checked for the correct gas pressure with our homemade manometer. I successfully completed all the programming of the temperature controller as well as all the electrical work for our circuit breakers, propane burner, magnetic motor starter, electric motor, thermocouples, and temperature controller. After working on this dryer design all summer and two weeks of intense hands on building and trouble shooting, I think I better understood a pyromaniac’s obsessive desire to set things on fire. Seeing the burner light up and the entire cardamom dryer successfully function was a huge win.

We could really use your prayer these last few weeks in Guatemala as well as some praise for the continued blessings:
- Prayers for God’s protection from the Dengue fever outbreak which is particularly severe in my hometown, Queztaltenango, and continued prayers for protection from malaria
- Praise for the mostly safe travels for the Cobán trip thus far (especially with the heat exchanger), and praise for no injuries after our coworker endured a head-on collision in the company vehicle on his trip home
- Prayers for financial support of the lean, but very efficient EWB-USA/Guatemala office after the significant loss of the company vehicle
- Prayers for the continued testing of the entire dryer system and for the potential sponsors for Heifer International
- Prayers for the Guatemalan presidential run-off elections Sunday, August 11
- Praise for Sabbath and time to breathe, rest and recharge





















