[python] Re: Fw: Positive Trail using Hubless Wheel?

  • From: bren102 <bren102@xxxxxxxxx>
  • To: python@xxxxxxxxxxxxx
  • Date: Tue, 26 Jul 2011 14:57:09 -0700 (PDT)

Hmm, it seems to me not necessarily a flevo or speculoos type steering as they 
have no seat rising effect to aid stability.

As a technical exercise - looking at Dirk's python, extend the steering head 
forward horizontally to within the front wheel, but not past the front wheel 
axle, maintaining the same steering angle until the trail is positive.

The seat rising effect still applies as the steering head is still at the same 
angle and is not horizontally higher than the front wheel axle. 

So, a python with positive trail!

Maybe I should create a diagram?

Regards,

Brendan


--- On Mon, 7/25/11, Michael Ostermeier <list@xxxxxxxxxxxxxxxxxx> wrote:

> From: Michael Ostermeier <list@xxxxxxxxxxxxxxxxxx>
> Subject: [python] Re: Fw: Positive Trail using Hubless Wheel?
> To: python@xxxxxxxxxxxxx
> Received: Monday, July 25, 2011, 3:48 PM
> Hi,
> 
> bren102 wrote:
> > Perhaps the rider can be seated higher to maintain hip
> alignment with the steering axis? 
> 
> Yes, but then you wont have a lowrider and end up having a
> Flevobike.
> 
> >> >> […] may allow a python with positive
> trail to be built.
> 
> This will get you a speculoos-type bicycle.
> 
> Regards
> 
> Miche
> 
> PS: see: http://en.openbike.org/wiki/Front_Wheel_Driven_Bicycle
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