Powertrain Engineers Inc.

Expert Gear Drive Development & Problem Solving Since 1995

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About the firm

Powertrain Engineers provides cost-effective engineering solutions to gear problems and complete product development of gear drives and associated equipment. Founded in 1995 by Edwin C. Hahlbeck and joined in 1997 by Mike Chartre, it delivers full product development support, spanning from initial concepts and detailed engineering design to prototype testing and serial production.

Established
1995
Team
Micro
Firm type
Mechanical Engineering · Industrial Engineering · Forensic Engineering

People

Mike ChartreCEO

Edwin C. HahlbeckFounder

Capabilities

Gear Design & Development

Full product development support for gear drives and associated equipment, spanning from initial concepts to serial production.

  • Spur & Helical Gears
  • Bevel & Face Gears
  • Worm Gears
  • Planetary Gear Systems

    Design of planetary drives for higher power density, compactness, and cost reduction, utilizing deflection prediction and flex-pin mounting.

Advanced Drivetrain Analysis

Specialized engineering analysis to ensure mechanical integrity, minimize transmission error, and optimize drivetrain performance.

  • 3D Mesh Analysis

    Analysis of mesh rotation, stiffness, and the influences of the gear body, pinion shaft, bearings, and housing deflections.

  • Shaft Analysis

    In-depth shaft stress analysis and design using DIN 743 and ASME standards, including keyless joint design.

  • Bearing Analysis

    Bearing load and life co-development using specialized software and close association with major manufacturers.

Forensic Engineering & Failure Analysis

Systematic investigation of gear and drivetrain failures to identify root causes and implement corrective modifications.

  • Root Cause & Metallurgical Evaluation

    Reviewing loads, failed components, and metallurgical quality in partnership with forensic laboratories.

  • Corrective Design

    Re-engineering failed components with minimal constraints to meet targeted design life.

Quality Assurance & Procurement Assistance

Technical support to establish practical manufacturing specifications, validate first-article reports, and select qualified suppliers.

  • QA Oversight

    Quality control and assurance oversight across diverse defense, aerospace, energy, and heavy industrial programs.

  • Procurement Specifications

    Developing robust specifications for manufacturing drawings and purchase agreements.

Testing & On-Site Engineering

Comprehensive test coordination, tooling design, and field assistance to validate new and innovative gear designs.

  • Test Stand & Procedure Development

    Designing test stands, tooling, and procedures for low-RPM to high-speed applications.

  • On-Site Assembly & Test Witnessing

    Witnessing physical assembly, verifying test execution, and conducting field troubleshooting.

Industries

Oil & Gas · Renewable Energy · Mining · Defense · Industrial · Manufacturing · Aerospace · Wind · Space · Sports & Recreation

Projects

3,000 HP Frac Pump

Oil & Gas

Project details

Engineering of a robust frac pump built for peak performance, high horsepower, and long-term reliability in high-pressure oil and gas environments.

Integrated Drum Drive

Mining

Project details

Development of a revolutionary heavy machinery drive system offering superior control and precise movement for demanding excavation and mining tasks.

The Wave Vessel

Renewable Energy

Project details

A cutting-edge ocean energy vessel that converts wave motion into clean, renewable electricity, utilizing specialized gear drives engineered for harsh marine environments.

Wind Turbine Transmission Test Stands

Boulder, CO and Clemson, SC · Wind · Client: Department of Energy

Project details

Oversaw the design of multi-megawatt wind turbine transmission test stands (ranging from 350KW to 15MW) and fractional horsepower drives for the Department of Energy at NREL and Clemson.