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These are 32 bit PC programmes and are compatible with Windows 9x and later, and should work with a Windows emulator on MACs, Linux and other 32 bit OS.

Steering Geometry calculator.

This programme calculates steering geometry parameters, no complicated installation is needed, just click on the download button and specify a suitable directory for the download. Then just click on the programme icon and select the help button for use instructions.

File size - 237 kb.

CoG and weight distribution calculator.

This programme calculates the mass centre, moments of inertia and weight distribution of a motorcycle when the masses and CoG locations of various components are input. In addition there is information to help with calculating CoG positions for riders. Just unzip the file to a temporary directory and run the "setup.exe" programme. It's just a standard type Windows setup, uninstall information will be added to the "Add/Remove" folder in "Control Panel".

File size - 1.29 mb.

CoG and weight distribution calculator.

Different to the programme above. This software calculates the CoG position based on data from weight measurements of the assembled motorcycle. No complicated installation is needed, just click on the download button and specify a suitable directory for the download. Then just click on the programme icon and select the help button for use instructions.

File size - 1.01 mb.

Structural sections calculator.

This programme calculates and saves the structural properties of round and rectangular sections such as used in chassis construction. Just unzip the file to a temporary directory and run the "setup.exe" programme. It's just a standard type Windows setup, uninstall information will be added to the "Add/Remove" folder in "Control Panel". Then just click on the programme icon and select the various help buttons for use instructions.

File size - 1 mb.

Tube profile cutting guide. (Click here for use instructions.)

This programme called "TubeMiter" was written by Giles Puckett and is here with his permission. You can input sizes of two round tubes that you wish to join together by notching one of them, the programme will then allow you to print a paper template which can be wrapped around the tube as a guide to cut the right shape. It will handle tube sizes of up to about 80 mm. diam. This limit is set by the size of the paper in your printer. This programme has no use unless you are actually constructing a tubular structure. No complicated installation is needed, just click on the download button and specify a suitable directory for the download. Then just click on the programme icon.

File size 122 kb.

Engine balance-factor analysis

Analyzes the out of balance forces on a single cylider engine with different balance factors. No complicated installation is needed, just click on the download button and specify a suitable directory for the download. Then just click on the programme icon.

File size 700 kb.

Drum brake calculator

Calculates the effects of drum brake configuration, such as lining lead and lag, on braking performance. It considers both leading and trailing shoes. No complicated installation is needed, just click on the download button and specify a suitable directory for the download. Then just click on the programme icon. Free programme registration is necessary for first time use. Click on the question mark button for usage notes.

File size 900 kb.