Curtis M Beloy, M.S., P.E.

Curtis M Beloy, M.S., P.E.

4Moto Engineers LLC
2326 Vondron Rd
Madison, WI 53718
Office: 608-286-1040

Curtis M. Beloy M.S., P.E. specializes in the investigation of vehicle collisions and mechanical defects. He consults on crash events involving all types of vehicles, with advanced specialization in motorcycle, ATV, and powersports incidents. He is adept at solving forensic problems, studying vehicle designs, and identifying details. He is an experienced instructor and clearly communicates technical information as an expert witness.

Curtis's forensic engineering work benefits from his long history with motorcycles and performance driving. He raced motorcycles competitively for more than 25 years and operated OHRVs since his youth in the rural Midwest, including ATVs, UTVs, snowmobiles, scooters, and personal watercraft. His engineering experience with these vehicles spans two decades of product development, crash and defect analysis, and vehicle testing. He has researched rider control, vehicle stability, brakes and throttles, steering, electronic aids, suspension, and overall vehicle design. He applies his skillset to incidents involving bicycles and electric mobility products as well.

His firm is located in Madison, Wisconsin and he provides services nationwide. He holds an advanced degree in mechanical engineering and is a licensed Professional Engineer. He has worked alongside well-regarded industry experts and has been a consultant to the legal industry since 2008. He participates in several professional societies. See his website for more information.

Areas of Expertise
  • Accident Investigation
  • Accident Reconstruction
  • All Terrain Vehicles (ATV)
  • Automotive
  • Bicycle
  • Black Box/Data Recorder
  • Motorcycles
  • Products Liability
  • Snowmobiles
  • UTV (Utility Vehicles, Side by Sides)

Expert Background
Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
Master of Science, Mechanical Engineering
Bachelor of Science, Mechanical Engineering (Magna Cum Laude)
Licensed Professional Engineer
Crash Data Retreival (CDR) Technician and Analyst
Q: Please list your affiliations or memberships in any professional and/or industry organizations:
Society of Automotive Engineers (SAE)
National Association of Professional Accident Reconstruction Specialists (NAPARS)
National Society of Professional Engineers (NSPE)
American Society of Mechanical Engineers (ASME)
American Motorcyclist Association (AMA)
The Institute of Traffic Accident Investigators (ITAI)
Q: Please list any teaching or speaking experience you have had, including subject matter:
Adjunct Physics Instructor- Blackhawk College, Janesville WI
STEM Tutor- AmFam Children's Hospital, Madison WI
Graduate Teaching Assistant- Minnesota State University Engineering Department
Crash Reconstruction and 3D Laser Scanning Tools -National Academy of Forensic Engineers (NAFE) annual conference
Unique Aspects of Motorcycle Claims- NASP Conference Las Vegas NV
GPS Technology in Crash Reconstruction- Progressive Insurance Companies
Video Analysis and Photogrammetry in Crash Reconstruction- State Auto
Q: On how many occasions have you been retained as an expert?
A: 400+
Q: For what area(s) of expertise have you been retained as an expert?
Collision reconstruction engineering and mechanical defect investigations
Motorcycle, ATV, UTV, PWC, snowmobile, and other powersports equipment
Recreational off-highway vehicles (ROHV) operation safety consulting
Electric mobility incidents (electric skateboards, scooters, Onewheel, etc)
Q: For how many years have you worked with the legal industry as an expert?
A: 16+
Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
Crash site and vehicle mechanical inspections, laser scanning and drone surveying, electronic data retreival, surveillance video analysis, photogrammetry, instrumented testing and data collection, computer simulations, design evaluations, engineering reports, engineering animations, expert witness testimony


"Curt, You were wonderful and I look forward to the next case together. Your fine work was a major driving force to settlement."
-National Coordinating and Trial Counsel, DHL Transportation litigation