My Trip to Interbike 2011 in Las Vegas

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Lyen   10 kW

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My Trip to Interbike 2011 in Las Vegas

Post by Lyen » Sep 19 2011 2:01am

Here are the pictures & videos I told from my trip to Interbike at Las Vegas. I'm still tired after a long drive from Vegas back to San Francisco (10 hours).

John is the designer & founder of Stealth Ebike from Australia - (left > John, right > me)
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New Stealth model (absolutely beautiful):
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There were three different models at the convention. I was super impressed after tested two models from John. I was able to do wheelie with the bigger direct drive motor model. Awesome built quality and torque. He's a very nice and supportive guy. All the models at the show floor were sold the last day.

Daniel is the designer & founder of EGO-kits from Austria - (left > me, right > Daniel). I have tested his Ego Kit and very impressed with the motor/geared setup. The wearable backpack battery takes time getting used to but I personally love it. Because it is more convenient to recharge. The bike has sooooooooooooooooo much torque in low gear causing me doing wheelie during the test ride. He is another cool dude. :)
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Dan Hanebrink is the designer & founder of the Hanebrink Ebike - (left > Dan, right > me). He is definitely the godfather and the legend of the motor sports with a long history. If you do not know who he is, do a Google search with his name. :)
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Mr. Hon is the founder of Dahon folding bicycle - (left > Mr. Hon, right > me). He studied physics in California back in the 70s. He's the godfather in the folding bike industry. We had a long conversation and I was shock after hearing his opinion on controllers design. This guy is very intelligent seriously!
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Motorized Bike Trailer:
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Prototype Ebike:
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4000W 48V EV in wheel hub motor:
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Davinci gear unit cutout:
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Quadcycle (It would be nice to add a motor on it):
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Ilia (Ebikessf) doing stunt in the wooden boxes in circle. (I have tried it too and it was quite scary but fun.)


Ilia (Ebikessf) testing the Ego-Kit:


HTB_Terry & FalconEV testing ebikes:


I was testing the Izip:


There are other interesting things such as girls met at the convention, strip clubs and casinos in Vegas, etc. But I will skip that for now. :wink:
Last edited by Lyen on Sep 19 2011 5:19am, edited 5 times in total.
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full-throttle   10 MW

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Re: My Trip to Interbike 2011 in Las Vegas

Post by full-throttle » Sep 19 2011 2:30am

Looks like good show, thanks for posting!
Lyen wrote:I was super impressed after tested two models from John. I was able to do wheelie the bigger direct drive motor model. Awesome built quality and torque. He's a very nice guy and supportive guy.
I'll second that statement
Lyen wrote: All the models at the show floor were sold the last day.
Surprise, surprise 8)

The Ego kits look great too

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Re: My Trip to Interbike 2011 in Las Vegas

Post by Hillhater » Sep 19 2011 2:53am

good info Lyen, sounds like you had a fun time.
did you Ebike all the way there ?? :mrgreen:
BUT..
this has to be one of the tackyest prototypes i have seen :cry:
Looks like something from a junk pile , with a can of silver paint thrown over it ! :|
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Lyen » Sep 19 2011 3:22am

Hillhater wrote:good info Lyen, sounds like you had a fun time.
did you Ebike all the way there ?? :mrgreen:
BUT..
this has to be one of the tackyest prototypes i have seen :cry:
Looks like something from a junk pile , with a can of silver paint thrown over it ! :|
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I wish I could ride my ebike to get there but only if Kingfish is coming along. :)

There were actually many ancient Chinese electric bicycles at the Interbike. Most of the Chinese companies from China and Taiwan have rented the booths way at the back to save costs. I've met a few cute Chinese girls at the booths though. :mrgreen:

I did not bother to take many pictures of them except girls but here is the one I want when I get old:
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Last edited by Lyen on Sep 19 2011 4:10am, edited 2 times in total.
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Lyen » Sep 19 2011 3:53am

Here are more interesting pictures:

Summit Carbon Fiber Ebike at ONLY $9999.99. In my opinion, I would rather get the Stealth Ebike instead and still have $3000 extra left in my pocket. It looks very nice though.
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Prodeco Ebike (The company's representative said it is made in USA):
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String Bike:
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Moulton Folding Bike (I'm a die-hard folding bike fan and this is my favorite folding bike of all time):
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GoPro 3D housing unit (2 GoPro in one plastic housing plus interface cable). I have watched a few 3D videos and was very amazed with the 3D and HD quality. Things from the videos almost popped out in front of me. I've got to have one...two for 3D I mean. :twisted:
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Bicycle Transformers? (More than meet the eyes) :lol:
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Last edited by Lyen on Sep 19 2011 4:14am, edited 1 time in total.
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Philistine » Sep 19 2011 4:00am

Thanks for posting the pictures Edward, very interesting.

John from Stealth has always seemed like a good guy, I have bought a few things from his e-mtnbike website, apart from our very own Hyena, he has always seemed one of the most helpful ebike part suppliers in Aus.

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Re: My Trip to Interbike 2011 in Las Vegas

Post by Toorbough ULL-Zeveigh » Sep 19 2011 4:24am

appreciate your getting these up so soon, sure you'd rather be napping.
couple of quick questions.
who's the manufacturer of that big hubmotor, any idea on price or other info?
Lyen wrote:We had a long conversation and I was shock after hearing his opinion on controllers design
at some point when you have time i wouldn't mind if you could flesh that out a bit if your allowed to divulge & wasn't anything said in confidence.
or at least some clue in broad general terms, i'm curious to hear his thoughts too.
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Lyen » Sep 19 2011 4:34am

Toorbough ULL-Zeveigh wrote:appreciate your getting these up so soon, sure you'd rather be napping.
couple of quick questions.
who's the manufacturer of that big hubmotor, any idea on price or other info?
Lyen wrote:We had a long conversation and I was shock after hearing his opinion on controllers design
at some point when you have time i wouldn't mind if you could flesh that out a bit if your allowed to divulge & wasn't anything said in confidence.
or at least some clue in broad general terms, i'm curious to hear his thoughts too.
The BIG direct drive hub motor is from a Chinese company. It's a 48V 4000 watts motor. I have forgotten to ask for their info. But I will let you know if I found out. The EV hub motor weights at least 40-50 lbs.

As for the conversation with Mr. Hon from Dahon, it has to do with the rider coordination on demand. Sorry, but he was using many physics related technical terms I could not remember. Such as U is electrical potential energy. U=kq^2/r and so on... LOL
Last edited by Lyen on Sep 19 2011 4:51am, edited 1 time in total.
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Toorbough ULL-Zeveigh » Sep 19 2011 4:49am

thanx, that helps, sounds like he's thinking in pedalec terms.
oh, one other thing i was just wondering if the stealth booth was blaring out 'the scorpions' the whole time you were there. :mrgreen:
(here is am, rock you like a...)
Kick down the barricades Listen what the kids say.
From time to time people change their minds But the Frock is here to stay.
I've seen it all from the bottom to the top Everywhere I go the kids wanna Frock.
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Re: My Trip to Interbike 2011 in Las Vegas

Post by grindz145 » Sep 19 2011 7:07am

Cool Lyen, really enjoyed it.

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Re: My Trip to Interbike 2011 in Las Vegas

Post by beast775 » Sep 19 2011 7:45am

thanks for posting the pics lyen,looks like alot of fun.
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Ypedal » Sep 19 2011 8:19am

Very cool stuff !!!!

one of these years i will have to go ........ :oops:
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Re: My Trip to Interbike 2011 in Las Vegas

Post by jonescg » Sep 19 2011 9:02am

That 4 kW hub motor is the same one they use in the e-max scooters, and they go allright too.

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Re: My Trip to Interbike 2011 in Las Vegas

Post by Ykick » Sep 19 2011 9:05am

Great reporting and pics, thank you!
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Re: My Trip to Interbike 2011 in Las Vegas

Post by ebike999 » Sep 20 2011 12:05am

Did John, from stealth, tell you if there were any new features on the Bomber or the Fighter ? Any improvements?


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Re: My Trip to Interbike 2011 in Las Vegas

Post by whereswally606 » Sep 20 2011 5:10am

Hey there, that 4kw hub is indeed an emax one. I managed to Buy one off eBay listed as possible faulty halls. I've bought one of mr lyens testers to check it out. From doing a quick goole check I found the company on Alibaba called proud eagle who sell the controllers. Really want to use the modular controller gwhy is developing but it would be good to have some internal photos for helping me sort the hall sensors If indeed that is the fault with it
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Wolfy » Sep 20 2011 9:23am

Great pics Edward. :D
Thanks for taking the time to post them.
Were those rubber bands instead of chain driving the one bike?
Wonder how it would perform in the rain?

Wolf

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Re: My Trip to Interbike 2011 in Las Vegas

Post by zombiess » Sep 20 2011 1:49pm

Great pics. I kinda wish I would have went to see some of the interesting engineering. Was nice to meet you too, thanks for stopping by my place.

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Re: My Trip to Interbike 2011 in Las Vegas

Post by ohzee » Sep 20 2011 2:44pm

thanks for the pics and videos - need some more of the girls ;0)

Good Stuff

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Re: My Trip to Interbike 2011 in Las Vegas

Post by Lyen » Sep 22 2011 9:04am

ebike999 wrote:Did John, from stealth, tell you if there were any new features on the Bomber or the Fighter ? Any improvements?
I am not aware of the improvements because the girl at the Stealth booth was more attractive to my eyes. It would be best to inquire John to find out. :)
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Lyen » Sep 22 2011 9:06am

whereswally606 wrote:Hey there, that 4kw hub is indeed an emax one. I managed to Buy one off eBay listed as possible faulty halls. I've bought one of mr lyens testers to check it out. From doing a quick goole check I found the company on Alibaba called proud eagle who sell the controllers. Really want to use the modular controller gwhy is developing but it would be good to have some internal photos for helping me sort the hall sensors If indeed that is the fault with it
I'm also interested in the hub motor for cars. The only challenge is how are you going to put it on with minimal modification. This way, your local auto mechanic can help if needed.
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Lyen » Sep 22 2011 9:08am

Wolfy wrote:Great pics Edward. :D
Thanks for taking the time to post them.
Were those rubber bands instead of chain driving the one bike?
Wonder how it would perform in the rain?

Wolf
You are welcome.

The rubber bands are actual string. A very long string indeed. I would definitely not take the bike out during rain.
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Re: My Trip to Interbike 2011 in Las Vegas

Post by Lyen » Sep 22 2011 10:40am

Here're some more pictures (warning: images heavy):

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Re: My Trip to Interbike 2011 in Las Vegas

Post by sk8norcal » Sep 22 2011 10:41pm

The rubber bands are actual string. A very long string indeed. I would definitely not take the bike out during rain.
why not?

the string is dyneema (from their site)

from wiki
Dyneema and Spectra are gel spun through a spinneret to form oriented-strand synthetic fibers of UHMWPE, which have yield strengths as high as 2.4 GPa (350,000 psi) and specific gravity as low as 0.97 (for Dyneema SK75).[4] High-strength steels have comparable yield strengths, and low-carbon steels have yield strengths much lower (around 0.5 GPa). Since steel has a specific gravity of roughly 7.8, this gives strength-to-weight ratios for these materials in a range from 10 to 100 times higher than steel. Strength-to-weight ratios for Dyneema are about 40% higher than for aramid.

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