[python] Re: Some News
- From: Rhisiart Gwilym <Rhisiart@xxxxxxxxxxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Fri, 23 Jan 2009 13:38:20 +0000
Jürgen Mages wrote:
3. Dennis Renner from USA has built a FWD-RWS recumbent which seems to
work pretty well:
> http://de.youtube.com/watch?v=KMA7CTfbpwo
Waw, that is really amazing! I always thought a FWD/RWS was impossible
to ride. Would like to find out more!
Dirk
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Hej Dirk!
I thought just the same. I contacted Dennis, to
ask him a few things. He answers very promptly.
Here's a copy of what he said:
1)
Thanks for the compliments.
My design is quite complicated to build. It took
me a year and 5 months of my spare time to build
it the first time. The jig I built took a month
and a half.
The wheel base is 45 inches', and the steering
head tube angle is 71 degrees. The steering
system on my bike is a split handle bar design.
each side moves only backwards and forwards like
joy sticks. A control rod system is designed so
that the brain still thinks it is turning the
front wheel like a normal bike. This why it is
easy to ride. I have not taken the time to draft
up plans of my design as of yet. I built it from
ruff drafts. I am working on a lowracer design
using this configuration now that I have the
handling bugs worked out. Perhaps in the future
plans will be available. I will try to post some
more picture of it in the near future. Thanks
again for your interest.
Dennis Renner
My reply:
Thanks for the quick response, Dennis. I can see from your videos and
you jig-work that you're a much more meticulous engineer than me. One
thing that would be a really useful study image would be a side view
of the whole bike, with a foot-rule laid between the wheels to get an
idea of sizes. The wheel base and head angle are crucial bits of info
too. Thanks for that. I already think that I'm going to have to
follow the trail you've unexpectedly opened up with this excellent
bike and see if I can build a FWD-RWS. Really exciting breakthrough.
Respect. Thanks! RhG
Dennis's second reply:
I will do. Give me a day or two as it is raining now. Sincerely Dennis Renner
Hwyl fawr, Rhisiart G.
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