Expert Details
Aeronautical Engineering; Aircraft Propeller Design and Propulsion Integration on Propeller-Driven Aircraft
ID: 736805
Ohio, USA
Education
| Year | Degree | Subject | Institution |
|---|---|---|---|
| Year: 1992 | Degree: Masters | Subject: Aeronautical Science | Institution: Embry-Riddle Aeronautical University |
| Year: 1982 | Degree: BS | Subject: Aerospace Engineering | Institution: The University of Michigan |
Work History
| Years | Employer | Title | Department |
|---|---|---|---|
| Years: 2001 to 2020 | Employer: Hartzell Propeller Inc | Title: Manager, Aircraft Applications Engineering | Department: Engineering |
Responsibilities:Responsible for aircraft/engine/propeller integration on approximately 100 domestic and international aircraft programs concurrently. These included turbine, reciprocating, hybrid and electric powerplant installations. Specific areas included aerodynamic performance, propeller blade aerodynamic, acoustic and structural design, ice protection systems, flight test; and FAA certification activities. Member of ASTM F39.05 electric propulsion committee, GAMA Electric Propulsion Innovations Committee (EPIC), and Embry-Riddle Aeronautical University Hybrid Electric Research (HER) consortium for electric aircraft propulsion.Served as FAA STC ODA administrator with the authority to issue FAA Supplemental Type Certificates (STCs) for Part 23 airplanes; previously served as a Designated Alteration Station (DAS) administrator. Served as a Part 23 Flight Analyst and Powerplant FAA Designated Engineering Representative (DER) for 18 years and now serve as an ODA Unit Member for these functions. Obtained or amended over 60 STCs for Part 23 airplanes. Lead a team that identified and recommended new product opportunities to senior management. Served as program manager on the Pilatus PC-21 military trainer program during development of a 5-blade composite propeller. Lead a team that created propeller integration manuals for piston and turbine engine installations. Created and taught a 2-day short course on propeller design and aircraft / engine / propeller integration to several hundred engineers from organizations in the U.S., Europe, Asia and South America. |
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| Years | Employer | Title | Department |
| Years: 1996 to 2001 | Employer: Hartzell Propeller Inc | Title: Manager, STC Programs | Department: Programs |
Responsibilities:Lead a program that identified propeller retrofit opportunities for aircraft, obtained STCs for the installations and sold hardware kits to operators. Duties also included marketing, advertising, forecasting, and resolution of support issues. Appointed FAA Designated Engineering Representative for Powerplant Installation; Flight Analyst. |
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| Years | Employer | Title | Department |
| Years: 1995 to 1996 | Employer: Hartzell Propeller Inc | Title: Engineering Programs and Certification Manager | Department: Engineering |
Responsibilities:Responsible for U.S. and foreign Part 35 propeller certification. Conducted certification reviews with Russian, Chinese, Indonesian and several European aviation authorities. Managed engineering programs including the propeller chosen for the U.S. Air Force and Navy JPATS turboprop training aircraft. |
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| Years | Employer | Title | Department |
| Years: 1993 to 1995 | Employer: Cessna Aircraft, McCauley Accessory (propeller) Division | Title: Project Engineer | Department: Engineering |
Responsibilities:Lead a group that was responsible for aerodynamic and structural design of propeller blades. Duties included ground and flight testing, vibration characteristics, fatigue life analysis, and certification. Developed a fatigue allowable for a shot-peened aluminum propeller blade. Completed certification of a 29-seat regional airliner propeller. Served as FAA Designated Engineering Representative for propeller 14 CFR 23.907 vibration (flight loads and structural integrity) approval. |
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| Years | Employer | Title | Department |
| Years: 1987 to 1993 | Employer: GE Aircraft Engines | Title: Aero/thermo Engineer | Department: Engineering |
Responsibilities:Performed aircraft propulsion integration and aerodynamic design of military jet engine nozzles, thrust reversers and ducting systems, including vertical takeoff aircraft. Duties included test planning, model design and acquisition, data analysis and reporting on several exhaust system tests. Supported design studies with performance data, flow-path designs, CFD analyses, oral presentations and written reports. Conceived a nozzle design that was selected for over $1M worth of development. Invented a nozzle concept chosen for development during an international technology program. |
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| Years | Employer | Title | Department |
| Years: 1983 to 1987 | Employer: Sikorsky Aircraft | Title: Aerodynamicist | Department: Engineering |
Responsibilities:Responsible for an 18-member test crew and a $10M powered wind tunnel model on the X-Wing V/STOL helicopter program. Performed test planning, calibrations, and data reduction, helicopter performance estimation; correlated aerodynamic computer programs. |
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| Years | Employer | Title | Department |
| Years: 1982 to 1983 | Employer: Sikorsky Aircraft | Title: Design Engineer | Department: Engineering |
Responsibilities:Mechanical design of helicopter rotor hub components. |
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| Years | Employer | Title | Department |
| Years: 1981 to 1981 | Employer: Lockheed California Company | Title: Intern | Department: Engineering |
Responsibilities:Participated in low-speed and transonic airplane wind tunnel tests in the “Skunk Works”, including the F-117 “stealth fighter” program, P-3 Orion patrol aircraft and the L-1011 airliner. |
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| Years | Employer | Title | Department |
| Years: 1979 to 1982 | Employer: The University of Michigan | Title: Technician | Department: Aerospace Engineering |
Responsibilities:Designed, built, and tested wind tunnel models for aircraft, automobile and ship test programs. |
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Career Accomplishments
| Licenses / Certifications |
|---|
| Registered Professional Engineer in the state of Ohio (currently inactive). Former FAA Designated Engineering Representative (DER) Former FAA Designated Alteration Station (DAS) administrator Former FAA DAS Authorized Representative (AR) for several engineering specialties Former FAA Organizational Designation Authorization (ODA) administrator Former FAA ODA Unit Member for several engineering specialties Private pilot, airplane, and glider ratings; over 2,000 hours of flight time in 35 aircraft types. FAA aerobatic competency (low altitude air show) card, expired FAA Airframe and Powerplant Mechanic certificates Held FAA Repairman Certificates for several homebuilt aircraft |