mechcalc 1.3.3

mechanical engineering calculators

mechcalc

Mechanical Engineering Calculators, Chuck McKyes
This is a gui app based on wxPython.
v1.3.2 October 2021

Copyright (C) 2021 Chuck McKyes

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.

*** Verify calculations produced by this software. ***

All calculations are approximate estimates. Actual specifications are available from equipment manufacturers.

Pump power and head assume cold water being pumped. Vapour pressure of a mixture uses Raoult's law.

wxPython is required. In Windows, Microsoft Visual C++ redistributable is required. I find that everything works with Python 3.7.3 in Debian and Python 3.8.6 in Windows 10, but Python 3.9.0 does not appear to work on Windows 10.

Debian requires python3-wxgtk to be installed via your package manager. For example, on a Raspberry Pi 4 as of this writing, the version is python3-wxgtk4.0-4.0.4+dfsg-2.

This python script can be run using "python3 -m mechcalc" on the command line or by creating a shortcut.

In Debian, a desktop shortcut can be created by creating a file with a .desktop extension (e.g., "MechCalc.desktop"). Make the contents this:

[Desktop Entry]
Version=1.1.2
Type=Application
Name=MechCalc
Comment=
Exec=python3 -m mechcalc
Icon=
Path=
Terminal=false
StartupNotify=false

In Windows, right-click on the desktop or in file explorer and create a shortcut. Right click again and select Properties. Enter "\pythonw.exe -m mechcalc" in the "Target:" field, and in the "Start in:" field. ("pythonw.exe" starts the script without a command line console.)