How could I model ratios for a new 5-spd box? (for free)

[Avantone]

You can do it here: avantone.wordpress.com

New facility to design, compare and store 27 gearbox configurations of your choice.

[wack 63]

These visualisers are one of the best things I have used for gearing ,thanks Tony

[Grumpy225]

Great stuff. I have referenced a few times when building custom motors.

Thank you for your efforts!

[soulsurfer]

Excellent Tony, I've used the previous versions so much in the past, and this is even better, thanks

[drunkmunkey6969]

Cracking piece of software that Tony, many thanks for sharing.