[python] Re: Some News - Big props! (FW MI?)



Jürgen Mages wrote:
Concerning the theories of Bill Patterson, I just know that he has some software to calculate the control spring values.
Though I would not totally agree with the sentence "Such a bike, has a control spring plot that is upside down. It has a nice controllable ride up to 20 km/hr and then exhibits a positive control spring".
Bill does this value of 20 kph refer to a python that is coasting downhill or to one that is driven on the flat? On the flat e.g. Gabriel is speeding up to 50 kph without loosing control. I am not that strong rider, but also can make my 45 kph without suffering a heart attack.
In my practical experience the speed where the control spring gets overpowered by the antitrail effect is around 50 kph while coasting and much higher (nobody could reach that speed so far) while pedalling. 

Cheers,
Jürgen.
The cross over speed goes way up with heavier wheels and with more force by the feet. Both make the anti spring from the anti trail much smaller.
I still don't get a 50 km/hr speed. I would love to get my hands on one of your bikes. 

Bill
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