[python] Re: FWD tadpole for velomobile
- From: Vi Vuong <vi_vuong@xxxxxxxxx>
- To: "python@xxxxxxxxxxxxx" <python@xxxxxxxxxxxxx>
- Date: Wed, 24 Aug 2011 07:33:27 -0700 (PDT)
Hi Dirk & Gerald
Here is a blend of several ideas from suggestions. It's a cross between a quad
/ outrigger / shopping cart / solar panel, and a pivot overload...
http://www.youtube.com/watch?v=IK9ynAhUFUc
Vi
>
>Hi Vi,
>
>a simple solution would probably be a non tilting, rigid front part with a
>central drive unit powering an axle that is connected to the drive wheels on
>either side. Since you cannot fall over that easily, you could probably lower
>the pivot angle to get more lean-steer effect (and seat rise for that matter)
>only on the back part on which you are seated. So the majority of the total
>mass would shift during a turn.
>
>Another idea i had some time ago was to have a similar setup, but not with a
>stiff axle through the center of the front wheel, but a stiff axle in front of
>those driven wheels. This axle would also act as a rotation center for a
>suspended front wheel on either side (putting a normal bikes rear wheel drive
>chain to that axle on either side). A "steeringhandle" would then be used to
>solely adjust the lean factor, but not the steering which is still controlled
>by your feet.
>I planned to have similar sprokets on the wheelaxle and the driving axle in
>front, to create not lag during suspension.
>Also, i wanted to use stiff ropes from paragliders connected to both front
>wheel centers and "hang" the frame onto them while connecting them with the
>lean-steer-handles. Leansteering would then pull the frame up on one side of
>the frame, while lowering it on the other...
>
>greetings,
>DirkS
>
>>________________________________
>From: Gerald <bepb@xxxxxx>
>To: python@xxxxxxxxxxxxx
>Sent: Sunday, August 21, 2011 8:55 PM
>Subject: [python] AW: FWD tadpole for velomobile
>
>
>Hi
>I think there is or maybe was a front wheel driven tadpod from Russia, the
>S-327. On the page http://www.trike.ru/en/photos.php are some pictures off an
>three wheel drive tadpod trike, S-3 3x3 which could be an evolvement.
>But both are steered by handelbars.
>
>Gerald
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