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iskandar taib
PostPosted: 22 Aug 2017, 12:53 
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Two major problems with batteries are longevity and safety. If you've had to deal with Li-Ion or Li-polymer batteries for hobby use, you'll see that airlines have put major restrictions on travelling with the things, and shipping quantities of them. And if you own a cell phone you'll know the things don't last all that long. They can be recycled to recover the lithium, which that first video above ignores.

Lithium batteries are just the beginning, I think - eventually they'll extend the technology to sodium and potassium batteries. While these will be a great deal heavier, they have the potential to store even more energy per given volume and these metals are ubiquitous, no need to mine them. But one wonders how safe they'd be.

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RebornTTEvnglist
PostPosted: 22 Aug 2017, 20:38 
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PRW wrote:
RebornTTEvnglist wrote:
PRW wrote:
I don't have an electric car, but a number of electric bicycles, that I ride to work and for fun on the weekends. Acceleration is surprising - on one of the bikes, I have to lean forward, and turn the throttle very slowly, otherwise the bike will wheelie and put me on my tailbone!


I had a laugh picturing that....and then I I felt sorry for your pain :lol:

and.... when it happens at a major set of traffic lights, with a whole lot of people in cars watching, the pain is mixed with a fair dose of embarrassment! I wasn't watching the lights, looked up and realized that the lights had turned green, and grabbed too much throttle - the bike landed in the middle of the interchange, with me sitting about 5m away! :)


Oh stop it! Now I'm starting to forget your pain and just laugh more..... :P :rofl: :rofl: :rofl: :rofl:

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PRW
PostPosted: 23 Aug 2017, 00:50 
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RebornTTEvnglist wrote:
PRW wrote:
RebornTTEvnglist wrote:
and.... when it happens at a major set of traffic lights, with a whole lot of people in cars watching, the pain is mixed with a fair dose of embarrassment! I wasn't watching the lights, looked up and realized that the lights had turned green, and grabbed too much throttle - the bike landed in the middle of the interchange, with me sitting about 5m away! :)


Oh stop it! Now I'm starting to forget your pain and just laugh more..... :P :rofl: :rofl: :rofl: :rofl:

this is the culprit - now skulking in the garage, just waiting to jump out and bite me... :D
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iskandar taib
PostPosted: 23 Aug 2017, 01:48 
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Reminds me of those Calvin vs. The Bike comics... :lol: Supposedly these things have taken over the sidewalks in China - everyone's buying stuff online so someone's got to deliver it all, and that someone usually rides one of these things. Apparently the Chinese government (belatedly) put limits on how much power these things are allowed, but it's regularly ignored.

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PRW
PostPosted: 23 Aug 2017, 02:15 
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iskandar taib wrote:
Reminds me of those Calvin vs. The Bike comics... :lol: Supposedly these things have taken over the sidewalks in China - everyone's buying stuff online so someone's got to deliver it all, and that someone usually rides one of these things. Apparently the Chinese government (belatedly) put limits on how much power these things are allowed, but it's regularly ignored.

Iskandar

that's funny - I didn't know Calvin's bicycle attacked him as well! I sympathize... :lol:
I far prefer taking an electric bike rather than a car, only use the car when I need to - great sense of freedom and, if the bike is set up well to assist with pedaling, you just feel super human...
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RebornTTEvnglist
PostPosted: 23 Aug 2017, 14:52 
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PRW do you wear a motorcycle or bicycle helmet with that? I'd also recommend buttock pads! :P :lol: :lol: :rofl: :rofl:

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S/U 1: Blade: Bty Gergely . FH Black Andro Rasant 2.1 . BH Red Tibhar Grass Dtecs
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S/U 3: Blade: Bty Gergely . No rubbers...thinking of adding Red Dtecs and Black Rasant
Aussie Table Tennis Shop / Aussie Table Tennis Facebook Page / Equipment Review Index / Read my Reb Report Blog: click here.
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PRW
PostPosted: 23 Aug 2017, 14:58 
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Just a bike helmet, Reb (otherwise it might look like I was riding a motorbike :) ) - and my butt is probably padded enough already!
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iskandar taib
PostPosted: 23 Aug 2017, 16:23 
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PRW wrote:
that's funny - I didn't know Calvin's bicycle attacked him as well! I sympathize... :lol:
I far prefer taking an electric bike rather than a car, only use the car when I need to - great sense of freedom and, if the bike is set up well to assist with pedaling, you just feel super human...


Let's see if these display OK...

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Silver
PostPosted: 25 Aug 2017, 09:13 
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That's a mighty big rear light you have there...

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PRW
PostPosted: 25 Aug 2017, 10:27 
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Silver wrote:
That's a mighty big rear light you have there...

:) it's a Jeep spotlight, plasti-dipped red.... the two front are Jeep spots as well!
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iskandar taib
PostPosted: 04 Sep 2017, 20:56 
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Silver wrote:

I was reading something the other day that GoBike has invaded melbourne and people are pissed off at bikes lying around everywhere.



And this came out a few days ago:

https://www.nytimes.com/2017/08/28/nyre ... -bike.html

Apparently dockless bikes are coming to certain locations in the US but have run into obstacles in some places. They've just been introduced on campus here, and the students will be back next week. All nicely lined up at several locations on the sidewalk, but one wonders how long that's going to last... I saw one maybe five miles from campus, one wonders how far away people are allowed to take them.

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