How a Gearbox Trades Speed for Torque
In short: How a gearbox lets an engine with a narrow working speed range drive a car across a wide range of road speeds, trading speed for torque through gear ratios, and how manuals, automatics and other designs handle those ratios.
A 1:55 short film in the series “How Things Work”, narrated by intellect_voice_01.
Sources used in this film: IEEE Transactions on Control Systems Technology (paper by University of Michigan researchers C. R. He, W. B. Qin, N. Ozay and G. Orosz, Vol. 26, No. 6, November 2018), “untitled”; Universidad Carlos III de Madrid, Department of Mechanical Engineering (OpenCourseWare, Machine Theory lab notes, course 2010/11), “Microsoft Word - Lab_4”; U.S. Navy, Naval Education and Training (NAVEDTRA 14264A, Construction Mechanic Basic, Chapter 10), hosted on media.defense.gov, “140620-n-zz182-6550.pdf”; University of California San Diego, MAE 3 course site (Mechanical and Aerospace Engineering), “MAE 3 - Gear Ratios”; Purdue University, School of Mechanical Engineering (ME588 Mechatronics lecture notes, Jeff Shelton, 3 March 2015), “ME588 Mechatronics – Integrated Design of Electro-Mechanical Systems”; NASA (Contractor Report 3793, Cleveland State University for NASA Lewis Research Center, June 1984), “19840017959”; SAE International (book by Shushan Bai, Joel Maguire and Huei Peng; table of contents hosted by TIB/UB Hannover via GBV), “Dynamic analysis and control system design of automatic transmissions”; HowStuffWorks, “How Automatic Transmissions Work”; Argonne National Laboratory, for the U.S. Department of Energy (2013 DOE Hydrogen Program and Vehicle Technologies Annual Merit Review), “Advanced Transmission Impact on Fuel Displacement”; University of Tennessee at Chattanooga, Center for Energy, Transportation and the Environment (CETE), “University of Tennessee at Chattanooga”; University of Technology Sydney (OPUS repository); conference paper by Jiageng Ruan, Nong Zhang and Paul Walker, 14th IFToMM World Congress, Taipei, Taiwan, October 25-30, 2015, “OS17-010.pdf”.
Sources used in this film
- IEEE Transactions on Control Systems Technology (paper by University of Michigan researchers C. R. He, W. B. Qin, N. Ozay and G. Orosz, Vol. 26, No. 6, November 2018) — untitled · View →
- Universidad Carlos III de Madrid, Department of Mechanical Engineering (OpenCourseWare, Machine Theory lab notes, course 2010/11) — Microsoft Word - Lab_4 · View →
- U.S. Navy, Naval Education and Training (NAVEDTRA 14264A, Construction Mechanic Basic, Chapter 10), hosted on media.defense.gov — 140620-n-zz182-6550.pdf · View →
- University of California San Diego, MAE 3 course site (Mechanical and Aerospace Engineering) — MAE 3 - Gear Ratios · View →
- Purdue University, School of Mechanical Engineering (ME588 Mechatronics lecture notes, Jeff Shelton, 3 March 2015) — ME588 Mechatronics – Integrated Design of Electro-Mechanical Systems · View →
- NASA (Contractor Report 3793, Cleveland State University for NASA Lewis Research Center, June 1984) — 19840017959 · View →
- SAE International (book by Shushan Bai, Joel Maguire and Huei Peng; table of contents hosted by TIB/UB Hannover via GBV) — Dynamic analysis and control system design of automatic transmissions · View →
- HowStuffWorks — How Automatic Transmissions Work · View →
- Argonne National Laboratory, for the U.S. Department of Energy (2013 DOE Hydrogen Program and Vehicle Technologies Annual Merit Review) — Advanced Transmission Impact on Fuel Displacement · View →
- University of Tennessee at Chattanooga, Center for Energy, Transportation and the Environment (CETE) — University of Tennessee at Chattanooga · View →
- University of Technology Sydney (OPUS repository); conference paper by Jiageng Ruan, Nong Zhang and Paul Walker, 14th IFToMM World Congress, Taipei, Taiwan, October 25-30, 2015 — OS17-010.pdf · View →
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Sources
- Summary by Intellect · source: IEEE Transactions on Control Systems Technology (paper by University of Michigan researchers C. R. He, W. B. Qin, N. Oza: untitled
- Also: Universidad Carlos III de Madrid, Department of Mechanical Engineering (OpenCourseWare, Machine Theory lab notes, course: Microsoft Word - Lab_4
- Also: U.S. Navy, Naval Education and Training (NAVEDTRA 14264A, Construction Mechanic Basic, Chapter 10), hosted on media.defe: 140620-n-zz182-6550.pdf
- Also: University of California San Diego, Department of Mechanical and Aerospace Engineering (MAE 3 course page): MAE 3 - Gear Ratios
- Also: Purdue University, School of Mechanical Engineering (ME588 Mechatronics lecture notes, Jeff Shelton, 3 March 2015): ME588 Mechatronics – Integrated Design of Electro-Mechanical Systems
- Also: NASA (Contractor Report 3793, Cleveland State University for NASA Lewis Research Center, June 1984): 19840017959
- Also: SAE International (book by Shushan Bai, Joel Maguire and Huei Peng; table of contents hosted by TIB/UB Hannover via GBV): Dynamic analysis and control system design of automatic transmissions
- Also: HowStuffWorks: How Automatic Transmissions Work
- Also: Argonne National Laboratory, for the U.S. Department of Energy (2013 DOE Hydrogen Program and Vehicle Technologies Annua: Advanced Transmission Impact on Fuel Displacement
- Also: University of Tennessee at Chattanooga, Center for Energy, Transportation and the Environment (CETE): University of Tennessee at Chattanooga
- Also: University of Technology Sydney (OPUS repository); conference paper by Jiageng Ruan, Nong Zhang and Paul Walker, 14th IF: OS17-010.pdf
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