Doug Goncz
November 16th 03, 10:27 PM
Hello, all. I haven't been by here in a while. I wrote earlier about my Peugot
frame ultracapactior electric mountain bike.
The ultracapacitor bike has two modes. It is in Lighting/Diagnostic mode now.
The drive chain runs from a tandem crank on the left side to the motor in the
center of the diamond frame. So when you pedal reasonably you have light, and
since electricity can be stored, you can have light from the moment you pedal
through your entire ride. I generated 15-20 V open circuit consistently for the
last three or four miles of today's trip. (During the day).
Since the motor can be a motor as well as a generator, I asked Bikes @ Vienna
if they had a tandem kickstand in stock and went out there. They helped me
install it and make sure it cleared the standard crank left and the tandem
crank right. I rode off to take the W&O.D. Trail home. I'd been having some
trouble shifting. It wasn't disabling or causing damage.
Half way home, having charged the ultracapacitor by pedaling, I pulled over,
plopped down the kickstand, pressed down the stem to lift the rear wheel, and
engaged the motor. Wow. It was so easy to work the gears and make observations
standing next to the bike. A few tension adjustments, one half turn of the rear
high limit screw and all was well again. The motor provided a constant level of
power that seemed just right for the job whatever the gear and whatever the
speed of the rear wheel.
When I add the new fork, rack, and baskets to the bike, and buy more
capacitors, I'll move them forward so it will balance with the front wheel down
all by itself.
I didn't tweak my front drive too much. I have to get a Dimension stoker's
triple from Performance locally, to match the stoker's double left. Why a
stoker would need a double I don't know. I'm putting 52 / 38 / 24 on the triple
and looking around for an ATX to make it shift right. I'll have to avoid
crossing the drive either way. That would exceed the capacity of any rear
derailer I know of.
So, I'm off to Shimano to read ATX then find a store with one locally.
Future electric bicycles building on the monumental volume of off the shelf
existing bicycle transmission technology should incorporate this diagnostic
mode. More time in the saddle, lower final cost to consumer.
Yours,
Doug Goncz (at aol dot com)
Replikon Research, Seven Corners, VA
1100 original posts at:
http://groups.google.com/groups?as_eq=intitle%3ARe&as_uauthors=dgoncz@
frame ultracapactior electric mountain bike.
The ultracapacitor bike has two modes. It is in Lighting/Diagnostic mode now.
The drive chain runs from a tandem crank on the left side to the motor in the
center of the diamond frame. So when you pedal reasonably you have light, and
since electricity can be stored, you can have light from the moment you pedal
through your entire ride. I generated 15-20 V open circuit consistently for the
last three or four miles of today's trip. (During the day).
Since the motor can be a motor as well as a generator, I asked Bikes @ Vienna
if they had a tandem kickstand in stock and went out there. They helped me
install it and make sure it cleared the standard crank left and the tandem
crank right. I rode off to take the W&O.D. Trail home. I'd been having some
trouble shifting. It wasn't disabling or causing damage.
Half way home, having charged the ultracapacitor by pedaling, I pulled over,
plopped down the kickstand, pressed down the stem to lift the rear wheel, and
engaged the motor. Wow. It was so easy to work the gears and make observations
standing next to the bike. A few tension adjustments, one half turn of the rear
high limit screw and all was well again. The motor provided a constant level of
power that seemed just right for the job whatever the gear and whatever the
speed of the rear wheel.
When I add the new fork, rack, and baskets to the bike, and buy more
capacitors, I'll move them forward so it will balance with the front wheel down
all by itself.
I didn't tweak my front drive too much. I have to get a Dimension stoker's
triple from Performance locally, to match the stoker's double left. Why a
stoker would need a double I don't know. I'm putting 52 / 38 / 24 on the triple
and looking around for an ATX to make it shift right. I'll have to avoid
crossing the drive either way. That would exceed the capacity of any rear
derailer I know of.
So, I'm off to Shimano to read ATX then find a store with one locally.
Future electric bicycles building on the monumental volume of off the shelf
existing bicycle transmission technology should incorporate this diagnostic
mode. More time in the saddle, lower final cost to consumer.
Yours,
Doug Goncz (at aol dot com)
Replikon Research, Seven Corners, VA
1100 original posts at:
http://groups.google.com/groups?as_eq=intitle%3ARe&as_uauthors=dgoncz@