Selection of Papers by L.D. Porta – Volume 5 - Exhaust Systems and other Aspects of Steam Locomotive Design, Performance and Operation

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This fifth volume subtitled “Exhaust Systems and Other Aspects of Steam Locomotive Design, Performance and Operation”, includes 21 papers as follows:

Modern Steam Concepts

  • Fundamental Principles of Steam Locomotive Modernization                                   1998
  • Steam Locomotive development in Argentina (Manchester paper)                           1969
  • Progress on Steam Loco Technology carried out in Argentina since 1969                1976
  • Modernization of ex-Baldwin 2-6-2T locos – Emerald tourist railway Australia       1995
  • The Case of a Better American Steam Locomotive                                                     c.1977

Locomotive Exhausts

  • The Exhaust of Locomotives (covering both Kylpor and Lempor)                              1957
  • Addendum – Notes and Clarifications by David Fryer and Martin Johnson             2025
  • Lempor Theory                                                                                                                     1974
  • Calculations for a Lempor Ejector for a 2-10-0 locomotive                                          1974

Compound Locomotives

  • A New Conception of the Compound Locomotive                                                         1976
  • The Steam Cycle in the case of a 3-cyl compound 2-10-0                                      undated

Articulated Locomotives

  • Some Notes on the Design of Mallet Locomotives                                                       1977
  • Notes on the Design of Garratt Locomotives                                                                 1977
  • Some notes on Large Steam Pipe Connections in separable locomotives             1978
  • Some Loose Notes on the Separable Locomotive                                                         1978
  • A system for coupling Mallet engine units and other Articulated Locomotives   1977

Miscellaneous Topics

  • A Mechanical Anti-Slipping Device for Steam, Electric or Diesel Locomotives        1977
  • Cario – an Advanced Axlebox Scheme for 21st Century Steam Locomotives             2000
  • Steam Locomotive: Running with Closed Regulator                                                     1977
  • The Fischer Knuckle Pin in Advanced Steam Locomotive Engineering                     1986
  • Notes on the Optimum Value of Lead in Steam                                                             1977
  • On the Performance of the British Standard Class 8 No 71000                                   1977

The book fills 340 A4 pages including numerous monochrome and a few colour images.  It also includes an index.

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