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1354RE: [rootsradicals] Re: power assist!

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  • velodog@talkamerica.net
    Aug 2, 2007
      That would invite complications that would include "jack-knifing" if power were
      to be applied while in the midst of a turn.

      Greg Kreski <velodog@...>

      Quoting Mighk Wilson <mwilson@...>:

      > Perhaps someone could design a motorized single-wheel trailer that pushes the
      > bike? That way you could attach the trailer only when you needed a boost.
      > No drivetrain complications either, just a controller line from the
      > handlebars to the back of the bike to connect.
      >
      > There's also some outfit developing a hydraulic transmission system that's
      > evidently scaleable (not the NuVinci hub; this is for the propulsion part of
      > the drivetrain, not for shifting). It would use hydraulics to store energy
      > for regenerative braking. UPS is very interested in it with all their stop &
      > go driving. The article I read on it said the inventors were also talking to
      > a major bicycle manufacturer.
      >
      > Mighk
      >
      > ________________________________________
      > From: rootsradicals@yahoogroups.com [mailto:rootsradicals@yahoogroups.com] On
      > Behalf Of Ryano
      > Sent: Thursday, August 02, 2007 8:32 AM
      > To: rootsradicals@yahoogroups.com
      > Subject: Re: [rootsradicals] Re: power assist!
      >
      > Sanyo already makes an electric bicycle with regenerative braking.  My
      > mother-in-law bought one this Spring and absolutely loves it.  She lives in a
      > hilly area, where the regenerative system is particularly useful.  It is
      > called the "Enacle" http://www.e-life-sanyo.com/bicycle/
      >
      > Really pretty cool.  I haven't tried, but would not be surprised if you could
      > actually fit an Xtracycle onto one of these, because the motor runs from
      > around the bottom bracket, not the hub, just like the Giant Lite someone
      > mentioned - which incidentally is basically a National Panasonic e-bike
      > adapted to American tastes.  My wife also uses a Panasonic e-bike and it
      > really is pretty sweet if you are hauling things (and kids).  I certainly can
      > manage without and prefer something light and simple, but millions of
      > Japanese housewives rely on e-bikes and if that keeps them from buying cars,
      > who are we to scoff at them.  And because of all those millions of sales, the
      > Japanese e-bike makers really do have it down pat.  I'm really surprised they
      > don't already have factories in Kansas making them for Americans also.
      >
      > On 02/08/07, Mark Garvey <lazybee45@...> wrote:
      > Well, on my Trike I was averaging about 9 mph generally, with power assist It
      > was about 10-12 mph.  On my Mountain bike with road tires (Primo Comets) I
      > can average about 11-12 mph but with the PA running I can blow through 13-14
      > mph.  I did 28 miles today in 2 hours and a few seconds, missing 14 mph
      > average for 2 hours by only a few hundred yards!  Note that I am 54 years
      > old,  and weigh 240 more or less.   I rode 20 miles over lunch time  (I got a
      > 2 hour lunch today!) and totalled 36 miles today with my X.  I am digging it
      > more and more!  I did a modest grocery run this afternoon and only picked up
      > 6 bags of groceries, I had room for more!  and NO TRAILER!   I plan to add a
      > hitch for my Kiddie trailer and my little utility trailer so that I do have
      > that option if I need it!  But overall the X is delightful!
      >
      > By the way, the BionX has a regen system, but I have a feeling that while it
      > is a working system and does have an effect, it may be more flash than
      > utility!  My Currie USPD system is very simple and works really well!  The
      > Stokemonkey and Cyclone systems run through the gears to improve efficiency. 
      > My Currie starts to groan a bit when it gets down to 8 or 9 mph!
      >
      > mark
      > On 8/1/07, tyler_rudkin < tyler_rudkin@...> wrote:
      > Check out the Bion-X system for egenerative charging on
      > downhills/flats.
      >
      > My Xtracycle is going on a Giant Lite (electric bike).  I commute on
      > a road bike because I can go much faster than my eBike ever could,
      > and like the exercise.  However, after that commute, the eBike is a
      > deciding factor in pulling my kids to the ice cream shop after work
      > or running an errand by bike vs. car.
      >
      > The same should hold true for the Xtracycle.
      >
      > --- In rootsradicals@yahoogroups.com, "Mark Garvey" <lazybee45@...>
      > wrote:
      > >
      > > On 8/1/07, Nathan Klatt <n8klatt@...> wrote:
      > > >
      > > > On 7/31/07, Mark Garvey <lazybee45@...> wrote:
      > > > > Unfortunately, that motor makes the bike MORE practical than
      > my car!
      > > >
      > > > Arguments of purity aside, this put a huge smile on my face!
      > > >
      > > > Arguments of purity NOT aside, what if the electric assist would
      > only
      > > > give out what was put into it by the rider directly?  I.e., if
      > you
      > > > never plug the battery in and, instead, it charges using
      > regenerative
      > > > braking?  Like you could add some small amount of drag when
      > you're on
      > > > the flats and going downhill to charge it then get it back when
      > going
      > > > up?  How would that affect the purity of bicycling?
      > > >
      > > > Well, Personally i don't give a hang about the "purity" of
      > cycling.
      > > Anyone who worries about "purity" except in a sense of water or
      > foodstuffs
      > > is not living in the real world!  It is kind of like a recital my
      > sister
      > > gave once.  It was all German Lieder, which may well be the most
      > awful and
      > > boring music ever to be considered as part of a classical music
      > program!
      > > Imagine if you will, a song with lines like "You WILL love me, you
      > are mine
      > > because I desire you!  You have the beauty of a finely machined
      > engine
      > > part!" sung in German, to a group of stern faced judges who are
      > picking on
      > > inflection, meter, tonal quality and all that sort of thing.
      > >
      > > The real world happens OUTSIDE the college where kids play
      > improvised
      > > instruments and do wop for tips!  Try huckstering Lieter THERE!
      > >
      > > But I digress!  I like what WORKS.  My only beef with e assist is
      > the
      > > weight.  My lovely light bike has become heavy!  It bothers me,
      > but it
      > > WORKS!
      > >
      > > mark
      > > --
      > > Putting the fun in dysfunctional for over 50 years!
      > >
      > >
      > > Mark  Garvey
      > > Cedar Rapids, Iowa free state!
      > >
      > > Check out the web site at:
      > > http://www.vine-ave.com
      > >
      > > contact us to have INVISIBLE INC! appear at your next program!
      > Details at
      > > www.vine-ave.com
      > >
      > > I am a bicycling lifestylist!
      > >
      >
      >
      >
      >
      >
      > You're getting this message because you signed up to be an Xtracycle roots
      > radical.
      >
      > To Post a message, send it to:          rootsradicals@yahoogroups.com
      >
      >
      > ride to believe.
      > Yahoo! Groups Links
      >
      >
      >
      >
      >
      > --
      > Putting the fun in dysfunctional for over 50 years!
      >
      >
      > Mark  Garvey
      > Cedar Rapids, Iowa free state!
      >
      > Check out the web site at:
      > http://www.vine-ave.com  
      >
      > contact us to have INVISIBLE INC! appear at your next program!  Details at
      > www.vine-ave.com
      >
      > I am a bicycling lifestylist!
      >
      >
      >
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