[python] Re: AW: Re: Questions about Python-Trike geometry (project similar to Howard Stevens foldable Python trike)

  • From: mchannon <mchannon@xxxxxxxxxxxxx>
  • To: python@xxxxxxxxxxxxx
  • Date: Thu, 28 Jul 2011 11:27:56 -0400


For traction climbung hills it helps to have a low centre of gravity (low seat 
height).  With a low COG there is less weight transfer to the rear wheels on 
climbing a hill.

The next python trike I build will also allow the rear end to pivot about its 
length.  That way the rider can remain verticle on cambered roads.  My first 
python trike did not do this and I found it less than ideal on a cambered road.

Mike Channon
London, Ontario, Canada

At 03:07 PM 7/28/2011 +0200, you wrote:
>based on my own expirience with a Python trike, I suggest to aim for more 
>weight on the front wheel, if possibe ~50% on the front wheel, ~25% on the 
>rear wheel. Otherwise going uphill will give problems with traction. This can 
>be archieved by place the rear axle/wheels far enough back, behind the seat 
>about as far as for a two wheel python.
>For the pivot angel, I made good expirience with 50 degree.

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