[python] Re: Lean steer trikes

Hi Henry,


I keep thinking along similar lines.
My thought was to have two upright sticks - left and right of the rider. A bit 
like a joystick :-) Moving left and right means leaning and moving towards 
front/back means steering. However, steering is probably best done by moving 
the right stick forward and the left backwards for going to the left so that 
the driver can lean into the curce somewhat naturally.

I have a middle python pivot in mind and two wheels in the front that are both 
driven by a central chain. There could be a central gear box maybe based on 
http://www.g-boxx.org/ with a rohloff inside. The two wheels could have a 
freewheel clutch system (?Freilauf) like a normal bike wheel. When turning, 
the inner wheel would drive, but as soon as slip occurs, the outer comes back 
immediately. THis would keep things simple, but I don't know how this would 
behave.

regards,
DirkS



On Tuesday 02 October 2007 12:05:55 Henry Thomas wrote:
> Tilting trikes delta is a subject I have a little bit of experience
> with. My first trike has now clocked up 1500k and after a few mods to it
> I am pretty happy with it.
>
> http://jetrike.com/jetrike-mods.html
>
> Nevertheless, one can never stop at one, and I have been playing around
> with all sorts of ideas for the next design, including a RWD (rear wheel
> drive) LWB (long wheel base ) tilting delta, and a tilting tadpole where
> the rider controls the tilt and the front wheels are free-to-caster.
> However my design goals are to keep the weight down, have full
> suspension, be able to transport the trike in the trunk of my car, and
> that it has a relatively narrow track -- which is challenging.
>
> So I recently had an idea for a tilting python trike. One with a back
> end similar to Jetrike, except with handle bars coming down the left and
> right side coming from the swing arms that would control the tilt. Like
> a python bike, the tilting trike rider would steer the front with their
> feet, but control the tilt with their hands.
>
> The question I have for the group, is do you think this would work?
>
> It would certainly be light, transportable, narrow and could certainly
> have rear suspension.
>
> -h


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