An optibike challenger

[jmygann]

Nice motor and drive .... made it up pikes peak

http://www.kalkhoffusa.com/pedal-assisted-bikes.php

drive system -motor, controller, and torque sensor, all in a package of less than 9 pounds (8.37)

 

[deardancer3]

Was originally used in Giant Lafree Lite. I have two of those ebikes and one spare motor.

I think though that the new motor might have been upgraded a bit in the last 7 years.



d

 

[jmygann]

Any info on the motor ? Is it the most efficient in that range ?

Looks to me like the Panasonic brushless DC motor/drive is the real winner at pikes peak.

http://www.petesebikes.com/blog/item/assault_on_the_peak_-_results_from_a_morning_of_climbing/

 

[es2150]

not sure if 73 minutes later would be considered a challenger. However, I like the drive and am curious if the flyer uses same drive unit. Just my opinion, when your racing a minute is a lifetime so wouldn't say bike is in the same league. In addition, the roadies got him too! must have been during battery change. Does it prove its a climber? absolutely and anyone thats looking for that should take note. How many ah are the stock batterys?

 

[jmygann]

Panasonic 10 amp hour lithium battery x 26 volts = 260 Whrs + 1/3 of second battery +-(86) = 346 Whrs

but how many Whrs were actually used when the battery shut down ? DOD ?

And .... how many Whrs did the Optibike use ?

 

[veloman]

I wonder how the noise is? Are they using a gearbox or reduction unit in there?

 

[Ariane]

Hi Guys,

The Optibike 850Li is powered by 36 Volt 22 Amps Lithium battery pack

Good day!
Black Arrow

 

[jmygann]

and how many whrs did they actually get out of that pack ? DOD ?

I heard they carried an extra pack ? The real question is how many whrs did they use and how much more was human input ? They do not say

 

[Ariane]

and how many whrs did they actually get out of that pack ?

36 x 22 = 792 Watts-hours DOD I don't know

I heard they carried an extra pack?

No only if the drivers need's a 100 miles + ranges ebike with the optional 36 15 Amps battery pack

The real question is how many whrs did they use

This ebike (Optibike) use the best components and an aluminum frame to keep it lighter. Then the Watt-hours will be very close with the best ebike we have here at the same speed. Optibike claims 45 miles of ranges (electric only) and 57 miles with moderate pedal assist.

Good day!
Black Arrow

 

[JennyB]

and how many whrs did they actually get out of that pack ? DOD ?

I heard they carried an extra pack ? The real question is how many whrs did they use and how much more was human input ? They do not say

Say they weigh 100 kg. That's about 770 watt hours going into climbing even with an ideal system. That's independent of the speed of ascent, so any ebike carrying that load would need at least that much. Add another 200 watt hours for forward motion at 12 mph for an hour and three quarters, possibly more with the headwind. The fastest of the unassisted riders would have been putting out close to 300 watts for 2 and a quarter hours = 675 watt hours.

I'm guessing as much as anybody, but doing the climb on one battery looks possible on anything better than 50% overall efficiency. A more likely estimate would be 75-80%, but even in that case, those boys would have been working pretty hard!

 

[es2150]

I agree with the 45 mile range of opti but do not think it would go that distance up that hill.

Does anyone know if this is same motor in the flyer?

Anyone seen any pics of Bosch's new entry? I think will be similar also.

 

[jmygann]

what is the flyer ?

 

[Miles]

Does anyone know if this is same motor in the flyer?

Anyone seen any pics of Bosch's new entry? I think will be similar also.

Most of the Flyer bikes use the Panasonic motor. Optibike use their own drive. Thread on the Bosch drive here: http://www.endless-sphere.com/forums/viewtopic.php?f=28&t=18591

 

[Kraeuterbutter]

wow... you realy don´t know the Flyers ?

here in Europe the Flyers are the epitome (= embodiment ?) for electric bikes..
in Switzerland there are most electric bikes, and most of them are flyers
they have a lot of mountains in switzerland, so the drive which uses the gears is very welcome there

the first Flyer was the F-Series, Flyer F4, Flyer F6, Flyer F8, ...

it looked like this:

this was over 10 years ago...
they are not produced anymore for long time now
the motor was directdrive, no gears,
turning only 60-70rpm with the pedals and for that absolutely quiet
maybe the most quiet motor at all
also in speedversions up to 45-50km/h

the battery was Nicd
but: heavy... motor had 180W nominal

than, some years ago flyer switched to the lighter Panasonic-drive
it has beveled gears inside, runs very quiet (quieter than for example a bafang with plastic gears)

there are meanwhile many different models, look here:
http://www.biketec.ch/

list of the models: http://www.biketec.ch/topic9868.html

here in europe the flyer still count to be the best electric bikes on the market
(for the last years this was for sure true)

they have motors with 250Watt
and the new motor has 300watt
there are also S-models, which can go up to 45km/h (in switzerland very easily legal, in Germany not so easy you need a plate for that, in Austria not allowed at all)


currently the most sporty modell is maybe the Flyer-X with Rohloff 14gear-Speedhub:

so, i was realy wondering when i saw here, that you don´t know biketec Flyer, and the Panasonicdrive it uses..
in Switzerland electric-bikes are called "Flyer"
so you can imagine how famouse the Flyers are here in (central)europe

 

[Kraeuterbutter]

Flyer X
Review: http://www.youtube.com/watch?v=36NLm4FMYk8&feature=related

and promotion-vid:
http://www.youtube.com/watch?v=rCZa7gmTD-M

 

[Kraeuterbutter]

oh, for the Thread-titel:
the flyer is for sure not a challenger for the optibike (if your only benchmark is "power")

the Flyer represents the european style of electric bikes:
so a motor that is not more powerful than your legs, a motor that assists you,
resulting in a bike that still feels like a bike, with small battery, ...

the optibike is more like a little enduro motorcycle
more powerfull than the driver, very big battery
more passive driver

 

[es2150]

Thanks for the comments about flyer and your opinion. Wish more people could give straight, honest, opinions like yourself. In addition, the comment about your personal view of the different drives is spot on. Could not agree with you more.