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(YouTube)   How many ways from Sunday would the United States mess this up?   (youtube.com) divider line
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843 clicks; posted to STEM » on 26 Oct 2021 at 10:15 AM (30 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



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2021-10-26 10:26:51 AM  
7 votes:

EvilEgg: Or, you know, we could use electric trains and only use trucks for the last mile.

Could we come up with a system where light freight cars are added to existing light rail.  It would have to be able to be to get stuff off and on very quickly.


The rail network hasn't kept up with population shifts since about 1950.
Rail carriers haven't built up signaling, switching, and IT to handle just-in-time inventory systems the way trucking companies and warehouses have.  Especially for perishables.
 
2021-10-26 10:28:42 AM  
4 votes:

beezeltown: It would work great. As long as the truck has diesel backup, which runs constantly and supplies power.


Busses on some routes in Seattle have run exclusively off of overhead electrical power lines for many decades. With the introduction of a downtown bus tunnel some 3 decades ago busses that serve the suburbs using diesel switch over to overhead electrical power before entering the tunnel. The latest incarnation seems to be fully electric busses with batteries to power them while out in the sticks and connections to overhead power lines to charge/operate when in more urban areas. So yes, hybrid scenarios are moving commuters around already and it wouldn't surprise me if delivery vans for UPS and Amazon eventually start doing something similar.
 
2021-10-26 9:04:41 AM  
3 votes:
Um, that would be all of them, Bob.
 
2021-10-26 9:47:01 AM  
3 votes:
Or, you know, we could use electric trains and only use trucks for the last mile.

Could we come up with a system where light freight cars are added to existing light rail.  It would have to be able to be to get stuff off and on very quickly.
 
2021-10-26 9:37:05 AM  
2 votes:
It would work great. As long as the truck has diesel backup, which runs constantly and supplies power.

But think about it: it would be a chance to spend a trillion dollars on highway infrastructure that ends up not being used. Congresscritters should be scrambling for it.
 
2021-10-26 10:58:48 AM  
2 votes:
So...could you design your own electric car to steal power with its own vane or antennae or whatever it's called?
 
2021-10-26 12:24:30 PM  
2 votes:
Er, we were doing this 60 years ago.

https://en.wikipedia.org/wiki/Trolleybuses_in_Dayton

Fark user imageView Full Size
 
2021-10-26 3:55:46 PM  
2 votes:
San Francisco introduced electric overhead powered buses in 1935 and they still have them today.
img.sfist.comView Full Size
 
2021-10-26 10:31:50 AM  
1 vote:
Just trying to imagine if this would work in the UK. Short answer: it wouldn't. It would resign every single artic to the inside lane, single file, for the duration of the journey. Might work with the natives, but the thousands of EU drivers who pop over daily aren't known for their patience. Those overhead cables look like they're designed to be driven under from a higher feed pole, and then you stay there. No swapping to the middle lane and then trying to cut back in. Remember, everyone else on the road is an idiot, so expect them to do stupid things
 
2021-10-26 10:42:07 AM  
1 vote:

fragMasterFlash: beezeltown: It would work great. As long as the truck has diesel backup, which runs constantly and supplies power.

Busses on some routes in Seattle have run exclusively off of overhead electrical power lines for many decades. With the introduction of a downtown bus tunnel some 3 decades ago busses that serve the suburbs using diesel switch over to overhead electrical power before entering the tunnel. The latest incarnation seems to be fully electric busses with batteries to power them while out in the sticks and connections to overhead power lines to charge/operate when in more urban areas. So yes, hybrid scenarios are moving commuters around already and it wouldn't surprise me if delivery vans for UPS and Amazon eventually start doing something similar.


There were hybrid systems in Europe back in the 50s.  It's nothing new.

The problem with the overhead lines is weather, uneven roadbeds, overhead clearance for bridges, maintenance, etc.  You can manage that for busses in a dense urban area.  And you can manage that for dedicated rail beds.  You might be able to make it fly on one lane of a heavily-used interstate like I-95, I-75, I-35, I-70 and I-20 east of the Mississippi, I-5 through the Central Valley, etc.

But I can't see that it's an efficient use of capital to try to build overhead power lines for every 45mph suburban feeder road in the US.  Germany's geography and demography are fundamentally different from ours.
 
2021-10-26 11:11:03 AM  
1 vote:

Stantz: Just trying to imagine if this would work in the UK. Short answer: it wouldn't. It would resign every single artic to the inside lane, single file, for the duration of the journey. Might work with the natives, but the thousands of EU drivers who pop over daily aren't known for their patience. Those overhead cables look like they're designed to be driven under from a higher feed pole, and then you stay there. No swapping to the middle lane and then trying to cut back in. Remember, everyone else on the road is an idiot, so expect them to do stupid things


From what I understand It's a supplementary charging system not an exclusive power source.
 
2021-10-26 11:33:21 AM  
1 vote:

Metaluna Mutant: So...could you design your own electric car to steal power with its own vane or antennae or whatever it's called?


millionaireplayboy.comView Full Size

Something like this?
 
2021-10-26 11:36:47 AM  
1 vote:
Subby have you met our good friend 11'6"
 
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