Engineering Consultation
Receive focused guidance for propulsion feasibility, troubleshooting, digital prototyping, model development, system validation, and performance diagnostics across specialized gas turbine engineering projects.
SimTurbo helps defense-focused aerospace teams model, analyze, and refine gas turbine propulsion systems with engineer-friendly simulation and consulting support. From architecture and cycle studies to controls and transient behavior, our specialists provide practical insight for technically demanding programs. Real-time, component-based models help teams evaluate performance, validate control logic, and make more informed engineering decisions before committing to costly physical development.

Specialized gas turbine modeling, propulsion analysis, control validation, and simulation support for defense-oriented aerospace engineering programs.
Receive focused guidance for propulsion feasibility, troubleshooting, digital prototyping, model development, system validation, and performance diagnostics across specialized gas turbine engineering projects.
Develop and optimize complete gas turbine configurations with component selection, shaft arrangements, combustor layouts, matching studies, and conceptual propulsion-system evaluations.
Evaluate steady-state thermodynamic cycles, thrust, fuel consumption, component maps, pressure ratios, off-design behavior, ambient effects, and performance optimization opportunities.
Design and validate PID control, fuel scheduling, FADEC logic, protection functions, actuator models, fault detection, and closed-loop engine response strategies.
Analyze startup, shutdown, throttle changes, acceleration, deceleration, sensor response, environmental variation, fault conditions, and dynamic engine stability in real time.
Assess recuperated, regenerated, reheated, intercooled, and afterburning gas turbine concepts for thermal performance, energy recovery, emissions, and high-performance propulsion research.
SimTurbo combines specialized consulting with component-based gas turbine simulation to help aerospace teams examine propulsion choices before hardware commitments. Engineers can configure systems, assess steady-state and transient performance, and validate control strategies using real-time physics modeling on standard PCs. For defense-oriented development, this practical visibility supports disciplined trade studies, clearer subsystem interactions, and data export for post-processing in Excel, MATLAB/Simulink, or Python.

Specialized engineering experience and transparent, component-level simulation for demanding gas turbine work.
Founder-led expertise draws on more than 45 years across aerospace, automotive, and power systems engineering.
Drag-and-drop architecture lets engineers examine system relationships rather than rely on a black-box model.
J85-GE-21 comparisons report accuracy within plus or minus 2 percent against NASA Lewis test data.
Interactive simulations help U.S. defense-oriented teams observe throttle effects, transients, and control behavior quickly.
Experienced leaders focused on practical gas turbine engineering insight.

President, CEO & Founder
Paul J. Hoffman is the President, CEO, and Founder of Controls Research LLC, the company behind SimTurbo. With a BS in Mechanical Engineering from MIT, an MS in Mechanical Engineering from Stanford, and an MBA from the University of Toledo, Paul brings a rare combination of technical depth and business acumen to the company. He has more than 45 years of experience spanning aerospace, automotive, and power systems engineering, giving him a comprehensive understanding of complex gas turbine engine design and simulation challenges. As founder, Paul has guided SimTurbo's development into a specialized, engineer-friendly platform used by aerospace, marine, and power-generation professionals as well as universities. His leadership reflects a deep commitment to advancing engineering education and real-world simulation accuracy, ensuring clients and students alike benefit from decades of hands-on industry expertise.

Vice President of Marketing & Sales
Chris Hoffman serves as Vice President of Marketing & Sales at Controls Research LLC, bringing more than 15 years of experience in the sales and marketing of technical products. Chris plays a key role in communicating the value of SimTurbo's advanced gas turbine simulation platform to aerospace, marine, power systems, and academic audiences across the United States. With a strong understanding of technical sales cycles and engineering-focused markets, Chris works closely with clients and educational institutions to ensure they find the right solutions for their design, analysis, and simulation needs. Chris is dedicated to building lasting relationships with customers, helping engineers and students alike understand how SimTurbo can improve productivity, precision, and outcomes in their gas turbine engineering projects.
Aerospace engineering consultants support technical decisions involving propulsion concepts, engine performance, controls, simulation models, feasibility studies, troubleshooting, and validation. For defense-oriented programs, the work often centers on evaluating system behavior across operating conditions before extensive hardware testing. SimTurbo focuses on gas turbine architecture, thermodynamic cycle analysis, transient simulation, and control-system validation to give engineering teams clearer performance insight.
Speak with our team about your analysis, simulation, or control objectives.
Reported comparison with NASA Lewis test data
Interactive physics-based simulation capability
Transparent engine architecture simulation approach
Tell us about your engine concept, analysis goals, available data, and desired simulation or consulting outcome.
For immediate assistance, feel free to give us a direct call at 779-390-4786. You can also send us a quick email at pjhoffman@simturbo.net.
For immediate assistance, feel free to give us a direct call at 779-390-4786. You can also send us a quick email at pjhoffman@simturbo.net.