HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
Blogs
Automotive News

Nissan Rolls Out Its 2nd Electric Vehicle

NO RATINGS
View Comments: Newest First|Oldest First|Threaded View
Page 1/5  >  >>
Mydesign
User Rank
Platinum
Re: Power for carrying High loads
Mydesign   7/22/2014 11:35:08 PM
NO RATINGS
1 saves
Patb2009, thanks for the link and details.

patb2009
User Rank
Gold
Re: Power for carrying High loads
patb2009   7/16/2014 1:29:07 AM
NO RATINGS
apparently in 1974, UPS ran a small demo fleet of Electric converted jeeps.

 

https://about.usps.com/who-we-are/postal-history/electric-vehicles.pdf

 

Had they stuck that out, they'd be saving a couple billion a year.

 

 

Mydesign
User Rank
Platinum
Re: Power for carrying High loads
Mydesign   7/16/2014 12:36:47 AM
NO RATINGS
1 saves
"Battery was more then adequate and the short range  was ideal for a return every night to charge."

Patb2009, if required on the way it can get charged through various charging stations too.

Mydesign
User Rank
Platinum
Re: Power for carrying High loads
Mydesign   7/16/2014 12:34:51 AM
NO RATINGS
1 saves
"That's why i don't understand why it didn't happen to the USPS in the 70's. Battery was more then adequate and the short range  was ideal for a return every night to charge."

Patb2009, what is this USPS story in 1970?

patb2009
User Rank
Gold
Re: Power for carrying High loads
patb2009   7/11/2014 6:44:23 PM
NO RATINGS
That's why i don't understand why it didn't happen to the USPS in the 70's.

Battery was more then adequate and the short range  was 

ideal for a return every night to charge.

Mydesign
User Rank
Platinum
Re: Power for carrying High loads
Mydesign   7/11/2014 2:16:08 AM
NO RATINGS
1 saves
"For any trip under 30 miles roundtrip, electric is significantly better. What I don't understand is why the USPS never switched their whole fleet to electrics back in the 70's."

Patb2009, it's all depends up on the battery power and availability of charging points on the way.

patb2009
User Rank
Gold
Re: Power for carrying High loads
patb2009   7/7/2014 1:43:35 PM
NO RATINGS
It's not good, it's better, significantly better.

For any trip under 30 miles roundtrip, electric is significantly better.

What I don't understand is why the USPS never switched their whole fleet to

electrics back in the 70's.

 

The average mail truck goes 13 miles round trip, the average speed is only some 4 MPH, and the peak speed is only about 35 MPH,  There is almost zero requirement for highway speed  and these are operated from a fixed base by a bunch of procedure oriented, operational bureaucrats.  By going to EV the fleet maintenance becomes much simpler, and

given the short ranges you don't really need complex charging systems, just run 48 V DC out to the slots,  and a simple charge monitoring circuit to keep the batteries from cooking.

 

You have time during lunch to top off, and you have all night to slow charge, this is ideal.

 

 

Mydesign
User Rank
Platinum
Re: Power for carrying High loads
Mydesign   7/7/2014 5:22:40 AM
NO RATINGS
1 saves
"The brits have a half a century experience with electric milk floats. For anything with short range and low speed, they should all be changing to electrics."

Patb2009, you are right. its good in delivering low volume/weight to a short distance.

patb2009
User Rank
Gold
Re: Power for carrying High loads
patb2009   7/4/2014 1:59:53 PM
NO RATINGS
The brits have a half a century experience with electric milk floats.

For anything with short range and low speed, they should all be changing to electrics.

Mydesign
User Rank
Platinum
Re: Power for carrying High loads
Mydesign   7/4/2014 3:20:10 AM
NO RATINGS
1 saves
"FEDEX residential uses smaller trucks rather then the big Panel trucks. These would be ideal for Postal workers.  I actually don't know why the USPS didn't already convert their entire fleet to electrics. The average USPS delivery route is 13 miles, the vehicles return to the post office twice/day, the post office is an ideal bureaucratic fleet manager. Given the very low speed of the USPS fleet, you can use cheap motors and lead acid batteries."

Patb2009, it's a good option for mail and courier/parcel delivery. Since fuel costs are less, cost effective too.

Page 1/5  >  >>
Partner Zone
More Blogs from Automotive News
A half century ago, cars were still built by people, not robots. Even on some of the country’s longest assembly lines, human workers installed windows, doors, hoods, engines, windshields, and batteries, with no robotic aid.
Automobili Lamborghini is joining the ranks of supercar makers who are moving to greener powertrains.
Toyota Motor Corp. will take another small step on the long road to fuel cell viability next year, rolling out a hydrogen-powered production sedan called the Mirai.
An MIT spin-off says it’s on track to do the near-impossible task of making an electric car battery that offers three times as much energy for a fraction of the cost.
Fiat-Chrysler Automobiles CEO Sergio Marchionne has again committed the colossal sin of speaking plainly, and electric vehicle advocates aren’t happy about it.
Design News Webinar Series
12/11/2014 8:00 a.m. California / 11:00 a.m. New York
12/10/2014 8:00 a.m. California / 11:00 a.m. New York
11/19/2014 11:00 a.m. California / 2:00 p.m. New York
11/6/2014 11:00 a.m. California / 2:00 p.m. New York
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Dec 15 - 19, An Introduction to Web Application Security
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  67


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2014 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service