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A quick guide to convert from Beta8 to Beta9

Started by PiBoSo, October 01, 2016, 09:58:00 AM

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PiBoSo

October 01, 2016, 09:58:00 AM Last Edit: October 01, 2016, 10:02:41 AM by PiBoSo
A bug in the rear suspension simulation has been fixed in Beta9, so bikes created for Beta8 may need physics data tuning.

First of all, enable the physics debug mode:
http://forum.piboso.com/index.php?topic=3767.0

Then:
1) make sure that the natural frequencies of the front and rear are correct ( the last two purple lines in the bottom left of the screen, F for front and R for rear ).
As a VERY ROUGH reference, a road bike should be between 1 and 2 hz, and racing bike between 2 and 3 hz.
2) check the front and rear sag against real data, with and without the rider using the keys 1 and 2.
3) make sure the critical damping ratios for both the front and rear are below 1 ( SB: slow bump; FB: fast bump; SR: slow rebound; FR: fast rebound ).
The stock bikes can give a starting point for racing bikes. For road bikes, you probably need lower values.
"La perfezione non è il nostro obiettivo, è la nostra tendenza".