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Chain Driven Dynamo



 
 
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  #1  
Old November 4th 15, 05:43 PM posted to rec.bicycles.tech
SMS
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Posts: 9,477
Default Chain Driven Dynamo

Forget tire driven dynamos that wear out the sidewall of the tire, or
expensive hub dynamos that require a new wheel.

http://www.aliexpress.com/item/Action-Bicycle-Dynamo-Chain-Dynamo-BICYCLE-GENERATOR-5V-Output-for-Mobile-Phone-MP3-Music-Angel-Flashlight/531798718.html
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  #2  
Old November 4th 15, 06:26 PM posted to rec.bicycles.tech
Doug Landau
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Posts: 1,424
Default Chain Driven Dynamo

On Wednesday, November 4, 2015 at 9:44:03 AM UTC-8, sms wrote:
Forget tire driven dynamos that wear out the sidewall of the tire, or
expensive hub dynamos that require a new wheel.

http://www.aliexpress.com/item/Action-Bicycle-Dynamo-Chain-Dynamo-BICYCLE-GENERATOR-5V-Output-for-Mobile-Phone-MP3-Music-Angel-Flashlight/531798718.html


Try it out
  #3  
Old November 4th 15, 06:38 PM posted to rec.bicycles.tech
Claus Aъmann
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Posts: 21
Default Chain Driven Dynamo

Doug Landau wrote:
On Wednesday, November 4, 2015 at 9:44:03 AM UTC-8, sms wrote:


http://www.aliexpress.com/item/Action-Bicycle-Dynamo-Chain-Dynamo-BICYCLE-GENERATOR-5V-Output-for-Mobile-Phone-MP3-Music-Angel-Flashlight/531798718.html


Try it out


and report back how it works when you switch gears...
over the full range of a "wide" cassette, e.g., 13-26?

  #4  
Old November 4th 15, 06:58 PM posted to rec.bicycles.tech
Duane[_3_]
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Posts: 1,900
Default Chain Driven Dynamo

On 04/11/2015 1:38 PM, Claus Aъmann wrote:
Doug Landau wrote:
On Wednesday, November 4, 2015 at 9:44:03 AM UTC-8, sms wrote:


http://www.aliexpress.com/item/Action-Bicycle-Dynamo-Chain-Dynamo-BICYCLE-GENERATOR-5V-Output-for-Mobile-Phone-MP3-Music-Angel-Flashlight/531798718.html


Try it out


and report back how it works when you switch gears...
over the full range of a "wide" cassette, e.g., 13-26?


Or just read the comments on the bottom of the page.
  #5  
Old November 4th 15, 07:26 PM posted to rec.bicycles.tech
Doug Landau
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Posts: 1,424
Default Chain Driven Dynamo


Or just read the comments on the bottom of the page.


все хорошо, только вот звездочка там пластикавая

  #6  
Old November 4th 15, 07:32 PM posted to rec.bicycles.tech
Doug Landau
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Posts: 1,424
Default Chain Driven Dynamo

On Wednesday, November 4, 2015 at 11:27:00 AM UTC-8, Doug Landau wrote:
Or just read the comments on the bottom of the page.


все хорошо, только вот звездочка там пластикавая



Вещь, в принципе, хорошая. В полевых условиях пока не тестировал, так что ничего не могу сказать о долговечности. Из минусов - жужжит. И если хотите, чтобы не было "проскальзываний" цепи, при проходе через это устройство - желательно стянуть устройство стяжками после установки на велосипед. Заряд держит. При подключении usb-устройств - работают. Особых помех не создает. При переключении передач так же проблем не возникает. Продавец отзывчивый, по моей просьбе даже видео присылал с демонстрацией работы устройства.
  #7  
Old November 4th 15, 07:47 PM posted to rec.bicycles.tech
Duane[_3_]
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Posts: 1,900
Default Chain Driven Dynamo

On 04/11/2015 2:32 PM, Doug Landau wrote:
On Wednesday, November 4, 2015 at 11:27:00 AM UTC-8, Doug Landau wrote:
Or just read the comments on the bottom of the page.


все хорошо, только вот звездочка там пластикавая



Вещь, в принципе, хорошая. В полевых условиях пока не тестировал, так что ничего не могу сказать о долговечности. Из минусов - жужжит. И если хотите, чтобы не было "проскальзываний" цепи, при проходе через это устройство - желательно стянуть устройство стяжками после установки на велосипед. Заряд держит. При подключении usb-устройств - работают. Особых помех не создает. При переключении передач так же проблем не возникает. Продавец отзывчивый, по моей просьбе даже видео присылал с демонстрацией работы устройства.



Well if you insist but the first two may have been more useful unless
you speak Russian.

For myself, I'd be concerned about the drag on the chain, the noise, the
impact it would have on shifting an 11 speed cassette etc. Not to
mention this 5 mile decent that I know in Beekmantown NY where I'd have
to pedal at 80k/h to keep it running.


  #8  
Old November 4th 15, 07:53 PM posted to rec.bicycles.tech
Doug Landau
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Posts: 1,424
Default Chain Driven Dynamo

On Wednesday, November 4, 2015 at 11:47:45 AM UTC-8, Duane wrote:

On 04/11/2015 2:32 PM, Doug Landau wrote:

On Wednesday, November 4, 2015 at 11:27:00 AM UTC-8, Doug Landau wrote:

Or just read the comments on the bottom of the page.

п╡я│п╣ я┘п╬я─п╬я┬п╬, я┌п╬п╩я▄п╨п╬ п╡п╬я┌ п╥п╡п╣п╥п╢п╬я┤п╨п╟ я┌п╟п╪ п©п╩п╟я│я┌п╦п╨п╟п╡п╟я▐



п▓п╣я┴я▄, п╡ п©я─п╦п╫я├п╦п©п╣, я┘п╬я─п╬я┬п╟я▐. п▓ п©п╬п╩п╣п╡я▀я┘ я┐я│п╩п╬п╡п╦я▐я┘ п©п╬п╨п╟ п╫п╣ я┌п╣я│я┌п╦я─п╬п╡п╟п╩, я┌п╟п╨ я┤я┌п╬ п╫п╦я┤п╣пЁп╬ п╫п╣ п╪п╬пЁя┐ я│п╨п╟п╥п╟я┌я▄ п╬ п╢п╬п╩пЁп╬п╡п╣я┤п╫п╬я│я┌п╦. п≤п╥ п╪п╦п╫я┐я│п╬п╡ - п╤я┐п╤п╤п╦я┌. п≤ п╣я│п╩п╦ я┘п╬я┌п╦я┌п╣, я┤я┌п╬п╠я▀ п╫п╣ п╠я▀п╩п╬ "п©я─п╬я│п╨п╟п╩я▄п╥я▀п╡п╟п╫п╦п╧" я├п╣п©п╦, п©я─п╦ п©я─п╬я┘п╬п╢п╣ я┤п╣я─п╣п╥ я█я┌п╬ я┐я│я┌я─п╬п╧я│я┌п╡п╬ - п╤п╣п╩п╟я┌п╣п╩я▄п╫п╬ я│я┌я▐п╫я┐я┌я▄ я┐я│я┌я─п╬п╧я│я┌п╡п╬ я│я┌я▐п╤п╨п╟п╪п╦ п©п╬я│п╩п╣ я┐я│я┌п╟п╫п╬п╡п╨п╦ п╫п╟ п╡п╣п╩п╬я│п╦п©п╣п╢. п≈п╟я─я▐п╢ п╢п╣я─п╤п╦я┌. п÷я─п╦ п©п╬п╢п╨п╩я▌я┤п╣п╫п╦п╦ usb-я┐я│я┌я─п╬п╧я│я┌п╡ - я─п╟п╠п╬я┌п╟я▌я┌. п·я│п╬п╠я▀я┘ п©п╬п╪п╣я┘ п╫п╣ я│п╬п╥п╢п╟п╣я┌. п÷я─п╦ п©п╣я─п╣п╨п╩я▌я┤п╣п╫п╦п╦ п©п╣я─п╣п╢п╟я┤ я┌п╟п╨ п╤п╣ п©я─п╬п╠п╩п╣п╪ п╫п╣ п╡п╬п╥п╫п╦п╨п╟п╣я┌. п÷я─п╬п╢п╟п╡п╣я├ п╬я┌п╥я▀п╡я┤п╦п╡я▀п╧, п©п╬ п╪п╬п╣п╧ п©я─п╬я│я▄п╠п╣ п╢п╟п╤п╣ п╡п╦п╢п╣п╬ п©я─п╦я│я▀п╩п╟п╩ я│ п╢п╣п╪п╬п╫я│я┌я─п╟я├п╦п╣п╧ я─п╟п╠п╬я┌я▀ я┐я│я┌я─п╬п╧я│я┌п╡п╟.




Well if you insist but the first two may have been more useful unless
you speak Russian.

For myself, I'd be concerned about the drag on the chain, the noise, the
impact it would have on shifting an 11 speed cassette etc. Not to
mention this 5 mile decent that I know in Beekmantown NY where I'd have
to pedal at 80k/h to keep it running.


Sorry bout that - translation:

The thing is, in principle, a good one. In the field, I not yet tested it, so can not say anything about the durability. Of the minuses - buzzing. And if you want to avoid & quot; slippage & quot; circuit where it passes through the device - preferably pull the device ties after installation on the bike. The charge holds. When you connect the usb-devices - work. Special does not create interference. When changing gears as problems arise. Seller responsive, at my request, even video sent with a demonstration of the device.
  #9  
Old November 4th 15, 07:57 PM posted to rec.bicycles.tech
Tosspot[_3_]
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Posts: 1,563
Default Chain Driven Dynamo

On 04/11/15 19:38, Claus Aъmann wrote:
Doug Landau wrote:
On Wednesday, November 4, 2015 at 9:44:03 AM UTC-8, sms wrote:


http://www.aliexpress.com/item/Action-Bicycle-Dynamo-Chain-Dynamo-BICYCLE-GENERATOR-5V-Output-for-Mobile-Phone-MP3-Music-Angel-Flashlight/531798718.html


Try it out


and report back how it works when you switch gears...
over the full range of a "wide" cassette, e.g., 13-26?


An odd target market. Would probably work fine with a hub gear, which
is more likely a commuter, which is...


  #10  
Old November 4th 15, 08:56 PM posted to rec.bicycles.tech
Frank Krygowski[_4_]
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Posts: 10,538
Default Chain Driven Dynamo

On 11/4/2015 12:43 PM, sms wrote:
Forget tire driven dynamos that wear out the sidewall of the tire, or
expensive hub dynamos that require a new wheel.

http://www.aliexpress.com/item/Action-Bicycle-Dynamo-Chain-Dynamo-BICYCLE-GENERATOR-5V-Output-for-Mobile-Phone-MP3-Music-Angel-Flashlight/531798718.html


Love the Chinglish. That's always a sign of a top quality product,
right? ;-)

I guess we're now going to be treated to SMS "guerrilla marketing" for
all AliExpress bike items.

What's your cut on these, Steve?

For those unfamiliar with "guerrilla marketing," Scharf says on one of
his sites "I receive a small percentage of sales when you use these
links." And on another page: "We believe in guerilla marketing. We
engage with the all segments of the bicycling community in the promotion
of our products."

So, I guess we're engaged!

--
- Frank Krygowski
 




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