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The sheer amount of problems I worked through STPE study guide and the practice exam did this for me. There are a few non basic “shortcut” equations that are infinitely useful and one of the best parts of STPE is I felt they really went out of the way to point these out. Post by Reddit user _entropic on June 10, 2026.I liked that the On Demand course was similar to a college course, it was almost a semester (~4 months) long. There was literature for reading, pre recorded videos to highlight important topics, and practice problems (homework) for each section. I won't bullshit you, it was a lot. But for me that's the type of plan I needed to be successful. Post by Reddit user WetTortillas12 on March 6, 2026.Slay the PE (STPE) is definitely the way to go for TFS exam prep. I am a non-traditional student, turned welder, turned Engineer, with family, bills and a mortgage, and with that being said, can say that STPE created a very doable workload that involved adhering to a customized study schedule that didn't wreak havoc on home life. Post by Reddit user NontradMechPE on February 19, 2026.II studied for 4 months using Slay the PE and felt totally prepared going into the exam. January 28, 2026 comment by a Reddit user without a Mechanical Engineering degreeA huge thank you to Slay the PE for helping make my dream come true!! I studied so hard! I wish I found this course the first time!... Comment by Reddit user bbhero21 on May 7, 2025.The study guide was great--it explains all topics in a very practical way--I used it a lot for my job as well. Its very well researched and written. Comment by Reddit user slo_cat5000 on April 30, 2025The study guide and practice material still managed to exceed my expectations. The study guide explained topics in a concise and clear manner, without delving too far into the weeds on theory not relevant to the PE exam... focused on exactly the curriculum that was most prevalent throughout the exam. Comment by Reddit user Runaway_Engineer on October 6, 2024Big shoutout to SlaythePE for pushing me along these weeks and keeping me on track to pass on my first attempt... This is the only resource I used to study besides the NCEES practice exam... I followed this plan pretty much to a tee, and by the end of it I scored an 80% on the NCEES practice exam... Comment by Reddit user Savings_Union_7109 on January 17, 2024Slay the PE is the only way to go. They just over-prepare you in the best ways possible. They walk you through how to do the toughest problems you could realistically anticipate showing up on the test, in a cohesive and coherent way. They provide forums to ask others if you don't understand something. They CONSTANTLY check in on your progress - through email, diagnostic exams, you name it. If I designed my own TFS course, it would look almost exactly like Slay the PE's. Comment by Reddit user Economy_Tower5321 on September 21, 2023I used Slay The PE On-Demand Course. If you would like to pass this exam, you’re doing yourself a disservice not taking this course. Post by Reddit user zHaterade on June 28, 2023SlaythePE helped me out tremendously. Wouldn't have passed without them. Comment by Reddit user AgencyImportant9729 on February 14, 2023 |
I highly recommend the Slay the PE mechanical TFS study guides. For information, my undergraduate is in Nuclear Engineering... Comment by a Reddit user on July 1, 2026.I highly recommend Slay the PE. It's where I truly understood concepts and theories that I never fully grasped in college. They simplify complex topics and explain them in a way that's easy to understand, making it much easier to build a strong foundation. Comment by a Reddit user on June 23, 2026.(Slay the PE) broke the concepts down very well and the study schedule they provided kept me on track, so I didn't have to figure out for myself what I needed to study or review. I really hadn't done much Heat and Mass Transfer or Thermo since college, but taking this course really helped me get a strong grasp of the fundamentals. Post by Reddit user Grand_Obligation_545 on April 21, 2026.The only resource I used was Slay the PE. If you’re like me and like to compare your circumstance to others here is mine; B.S. ME from a solid engineering school almost a decade ago, haven’t touched anything quantitative since. Comment by a Reddit user on March 25, 2026.I want to give a shoutout to Slay The PE for the study materials and pretty much providing the keys to success for this exam. Comment by Reddit user Atlantabraves1234 on December 18, 2025.I passed the TFS PE first attempt. I graduated back in 2019. Comment by Reddit user Human_Spinach2344 on April 23, 2025.I passed, I can hardly believe it. Graduated in 2013. Slay the PE is phenomenal. My sole source of studying. Comment by Reddit user mclyss1311 on April 30, 2025The course being on demand makes studying very convenient for someone like me that works and has a family... the information was presented in a way that was easy to understand." Post by Reddit user buccfan001 on September 25, 2024SlayThePE is really all you need to pass... I didn’t encounter many questions on the exam I didn’t know how to solve thanks to Slay’s course... [The exam] wasn’t easy but was doable, and a lot of that came down to the perfect preparation SlayThePE does. Comment by Reddit user JonBonesJonesGOAT on December 6, 2023Got my results this morning, passed Mechanical: TFS 1st try! ...huge shout out to SlaythePE for being my primary studying resource. Comment by Reddit user iclou on August 2, 2023Used Slay The PE for my third attempt. Anyone looking for a prep course for TFS, I would only recommend Slay... They really helped me understand subjects instead of me trying to search for an equation in the mechanical reference handbook. They were able to break down subjects that seemed so complex... Post by Reddit user Barrowml87 on June 10, 2023 |