What's New

Compatibility update :)

App Description

Engine Layout Definitions is an educational tool that shows how layout changes in an internal combustion engine piston-crank system will affect engine's displacement, its rated power and dynamic forces.

Engine LD gives graphical plots and lists for displacement volume vs crank angle data and dynamic forces vs crank angle data to support further spreadsheet calculations and basic finite element calculations.

Users can simulate crank rotation with a slider to see effect of selected dimensions on engine packaging.

iPhone Screenshots

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Engine LD screenshot 1 Engine LD screenshot 2 Engine LD screenshot 3 Engine LD screenshot 4 Engine LD screenshot 5

iPad Screenshots

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Engine LD screenshot 6 Engine LD screenshot 7 Engine LD screenshot 8 Engine LD screenshot 9 Engine LD screenshot 10

App Changes

  • December 01, 2014 Initial release
  • December 02, 2014 Price increase: $2.99 -> $5.99
  • December 03, 2014 Price decrease: $5.99 -> $3.99
  • March 05, 2015 New version 1.10
  • May 28, 2015 New version 1.20
  • September 23, 2015 New version 1.30
  • June 30, 2016 New version 1.41
  • July 13, 2016 New version 1.50
  • August 16, 2016 New version 1.51
  • December 14, 2016 New version 1.52
  • December 20, 2016 New version 1.521
  • June 14, 2019 New version 1.570
  • June 14, 2019 Price decrease: $3.99 -> $2.99
  • June 14, 2019 Price decrease: $3.99 -> $2.99
  • June 14, 2019 Price decrease: $3.99 -> $2.99
  • June 15, 2019 Price decrease: $3.99 -> $2.99
  • June 15, 2019 Price decrease: $3.99 -> $2.99
  • June 15, 2019 Price decrease: $3.99 -> $2.99
  • June 16, 2019 Price decrease: $3.99 -> $2.99
  • July 15, 2020 New version 1.580
  • September 16, 2023 New version 1.600
  • November 03, 2023 New version 1.610

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