Nineteen full courses now live — the complete TFS, Machine Design & Materials, and HVAC & Refrigeration series, plus the NCEES Mechanical Handbook Deep Dive
220 video lessons · 638 free companion PDFs across Thermodynamics, Fluid Mechanics, Heat Transfer, Pumps & Hydraulics, Power Systems, Supportive Knowledge, Machine Design & Materials, and HVAC & Refrigeration — plus the NCEES Mechanical Handbook Deep Dive through the pages no week’s syllabus covers. Every formula NCEES Handbook 2.0 indexed. Subscribe and like to help the channel grow — every signal moves us up the algorithm.

Sharpen speed, stay organized, and review weak areas without wrestling with a messy question bank. Practice, flashcards, and progress tracking all live in one place.
FE and PE prep
Study like an engineer
Brain + engineFilter by exam, discipline, depth area, topic, and subtopic without digging.
Switch between untimed drills and timed exam sessions in the same workflow.
Generate flashcards from missed questions and keep pressure on weak spots.
Get the cheat sheets as they ship
One email when new lessons and free cheat sheets go live. No spam, one-click unsubscribe. The cheat sheets stay free — always.
Practice tests
Build timed quizzes or focused drills by exam, discipline, and topic.
Flashcards
Reinforce formulas, definitions, and quick procedures with active recall.
Progress tracking
Track accuracy and review missed questions by error type.
Media library
Organize videos and slide decks by exam and discipline.
Free week-one preview by discipline
A full first week of material, no account needed. The question bank spans all of these — Civil is the largest at 1,195 questions.
Built by a working engineer, not a course company
I’m Alan Rathbun, a practicing mechanical engineer at the Hanford Site. I built PE Prep Engine while studying for the PE myself, because the prep courses I looked at cost $1,000–$2,600 and still left me hunting through the NCEES Handbook for the equation I actually needed.
So every lesson here is indexed to the handbook you get on exam day — section and page — and every video, companion PDF and cheat sheet is free. If you find a wrong answer, tell me and I’ll fix it; that has already happened dozens of times, and the corrections ship the same week.