Like the attached image - but I supose you could make one pivot down low like the Python - not sure how to control the steering between the two or to lock-out one or the other, etc... gk ----------------------------------- WILL HE MAKE IT??? Follow Greg's progress as he builds a human powered vehicle to break the trans Canada cycling speed record of 13 days. http://www.adventuresofgreg.com/hpventry.html ................................... > -----Original Message----- > From: python-bounce@xxxxxxxxxxxxx > [mailto:python-bounce@xxxxxxxxxxxxx] On Behalf Of brechtix > Sent: Friday, March 18, 2005 10:40 AM > To: python@xxxxxxxxxxxxx > Subject: [python] Re: idea > > > Where would we put the front pivot? When in line with the > cassette there will be a steering flaw under braking, when in > line with the wheel (like Mike Burrows' lowracer which had a > non driven front wheel turning around its hub) we'd have to > put the chain line perpendicular to the plane of the pivot. > Which means an extra idler so we're back to the known FWDs. > > So it seems to depend on how bad braking affects steering. > Not so easy to install brakes on such an offset front wheel > either. Skipping the front brake is not an option. > > > > "Architecture must not obscure the real beauty found in > simple things." D. Berke > > Brecht Vandeputte > Architect | MSc. Comm & Inf > Office J.MacLeodstraat 4 > 9050 Gentbrugge Belgium > M +32 476 238 000 > F +32 93 24 93 46 > www.asiledenuit.be > > > > -----Original Message----- > > From: python-bounce@xxxxxxxxxxxxx > > [mailto:python-bounce@xxxxxxxxxxxxx] On Behalf Of Greg Kolodziejzyk > > Sent: vrijdag 18 maart 2005 17:52 > > To: python@xxxxxxxxxxxxx > > Subject: [python] idea > > > > > > Hey - what do you guys think about this idea: > > > > The best way to combine decent steering radius with a LARGE > > front wheel > > drive is with a movable bottom bracket (like Python, or other swivel > > nose designs). The draw back is less mechanical efficiency > > due to peddle > > induced wobble. And of course it's difficulty to learn how > to ride in > > the case of the Flevo or Python. > > > > So, what about combining two FWD approaches. You have a large front > > wheel that steers with a conventional headtube and a very, > very small > > turn radius due to interference issues between the tire and > the chain > > ring, chain, crank, legs, etc. Once the lowracer has achieved > > 'cruising' speed, this small turn radius may be sufficient. > > > > For slow speed maneuvering, the bb boom could be broken - python or > > Flevo style, then locked straight when cruising speed has been > > achieved. > > > > Greg K > > > > > > ============================================================ > > > > This is the Python Mailinglist at freelists.org > > > > Listmaster: Juergen Mages jmages@xxxxxx > > > > ============================================================ > > > > ============================================================ > > This is the Python Mailinglist at freelists.org > > Listmaster: Juergen Mages jmages@xxxxxx > > ============================================================ > >
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