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12-20-2018, 04:17 PM
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#141
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Senior Member
Join Date: Jun 2016
Location: SE Coastal NC
Posts: 454
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Need a new YouTube informing the youngsters by 2030 there will be a water glut in CA and the world. No more crops to grow and irrigate as people will get all nourishment by a 1 a day pill. No more toilets to flush. By 2040 75,000# RVs will be running on water so hold off on those battery vehicles.
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12-20-2018, 04:18 PM
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#142
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Member
Join Date: Sep 2017
Posts: 34
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Not buying it... Oil is abiotic, not decaying fossils, and there is an unlimited supply since it's a natural part of the Earth's cycles. Look up Greg Quinones' work re abiotic oil. EV's will definitely make inroads, but will never replace ICE's entirely. There are just as many drawbacks to EV's as ICE's.
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12-20-2018, 04:20 PM
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#143
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Junior Member
Join Date: Oct 2018
Posts: 2
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I say gas and diesel are just like beer. How do they make it so good and sell it so cheap!!!!!!
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12-20-2018, 04:20 PM
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#144
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Senior Member
Join Date: Jul 2017
Posts: 168
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[QUOTE=jackreno;4545158]super capacitors are the next big game changer, they can recharge under 5 minutes..
You can't get away from the basic math.
Lets say that to increase range, we are able to build a practical 110kWh super-capacitor. (The Tesla Model S has an optional 85kWh battery)
We want to recharge it at home, using our available 110v electrical service. Watts = Volts x Amps. So we can provide 110v at 1,000A and recharge in a hour. (If our charger is 100% efficient, which of course it isn't)
12,000A if we want to recharge in 5 minutes. Hmm, ok, there's a problem. Well, the incoming power to US homes is 240v across two 'legs', and there's usually already a 240v outlet in the kitchen, so let's run a 240V line out to the garage for the charger. Now we only need 6,000A. *only*???
The round transformers you see on the top of power poles in the USA are 50kVA. That's 50 kW. (I have no idea why they call them 50kVA instead of 50kW. "It's traditional") The total output of that transformer would take 2 hours to charge a 100kWh super-capacitor.
A Tesla 'supercharger' provides each car with a max of 480V @ 250A, or 120kW. In theory, a perfectly efficient system should be able to charge a 85kWH battery (or capacitor) in 45 minutes. In reality, Tesla's marketing claim is that it can be done in 75 minutes, suggesting the system is only about 60% efficient.
We've already got HOA's in CA banning electric car charging because the subdivisions infrastructure can't take it, and that's with the low power home version Tesla overnight chargers!
There's 40 homes on my cul-de-sac. 40 cars trying to recharge even at, let's say, a 2-hour charge time, is 2,000kW. Where the heck is that coming from?
Richard
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12-20-2018, 04:25 PM
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#145
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Senior Member
Join Date: Mar 2018
Posts: 155
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Quote:
Originally Posted by saddlesore
Ho Hum....Gloom & Doom..
And as for being "Up side down"..Be able to pay cash or you don't need it........
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Really? You've never had to finance anything you needed in your life? You've paid cash for your home(s), cars, trucks, schooling, whatever? Wow.
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12-20-2018, 04:27 PM
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#146
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Senior Member
Join Date: Sep 2017
Location: Northern California
Posts: 1,418
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Quote:
Originally Posted by jackreno
What company will make the 1st electric motorhome ??.
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Tesla
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12-20-2018, 04:43 PM
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#147
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Senior Member
Join Date: Sep 2017
Location: Northern California
Posts: 1,418
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Quote:
Originally Posted by Mr_D
So, someone pretending to have a crystal ball?
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More like someone pretending they know something! They woefully mis-interpret the new tech adoption curves. All of the fast moving new tech is for small affordable devices that have a short life-time. The curves do not show a dramatic reduction in new tech acceptance time in general as they ascribe to it. They also ignore the fact that we are already 10-15 years into the move to EV. If they looked into battery tech, they would learn that we are not on the verge of much cheaper lithium batteries. Lithium is a 30 year old technology that is still advancing only slowly.
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12-20-2018, 04:51 PM
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#148
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Senior Member
Join Date: Sep 2017
Location: Northern California
Posts: 1,418
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Quote:
Originally Posted by vincebodie
Not buying it... Oil is abiotic, not decaying fossils, and there is an unlimited supply since it's a natural part of the Earth's cycles. Look up Greg Quinones' work re abiotic oil. EV's will definitely make inroads, but will never replace ICE's entirely. There are just as many drawbacks to EV's as ICE's.
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Correct. And some recent advances in ICE (think Mazda) promise to make an ICE more efficient than an EV when transmission and such are taken into account. And EVs will continue to use mostly fossil fuel for maybe 50-100 years.
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12-20-2018, 04:58 PM
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#149
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Senior Member
Join Date: Jun 2014
Location: Phoenix, AZ
Posts: 280
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Very Interesting!
Quote:
Originally Posted by jackreno
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Thank you for sharing! This is very interesting video and well thought out. Two things that weren't addressed in the presentation: 1. a faster-than-expected leap in battery technology (or maybe even hydrogen) could dramatically accelerate the rate of adoption of non-ICE vehicles, and, 2. how long it might be before we can expect the development of a high-torque, heavy duty capacity truck. It's one thing to power a 4000-lb load down the road and quite another to do the same with 20-25,000 lbs. I'll be glad when we get something like that. I've been waiting for my entire life for a flying car. I'm afraid the Jetsons set my expectations way too high, lol!
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12-20-2018, 05:02 PM
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#150
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Senior Member
Join Date: Jul 2018
Posts: 2,812
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[QUOTE=Rickinnocal;4552478]
Quote:
Originally Posted by jackreno
super capacitors are the next big game changer, they can recharge under 5 minutes..
You can't get away from the basic math.
Lets say that to increase range, we are able to build a practical 110kWh super-capacitor. (The Tesla Model S has an optional 85kWh battery)
We want to recharge it at home, using our available 110v electrical service. Watts = Volts x Amps. So we can provide 110v at 1,000A and recharge in a hour. (If our charger is 100% efficient, which of course it isn't)
12,000A if we want to recharge in 5 minutes. Hmm, ok, there's a problem. Well, the incoming power to US homes is 240v across two 'legs', and there's usually already a 240v outlet in the kitchen, so let's run a 240V line out to the garage for the charger. Now we only need 6,000A. *only*???
The round transformers you see on the top of power poles in the USA are 50kVA. That's 50 kW. (I have no idea why they call them 50kVA instead of 50kW. "It's traditional") The total output of that transformer would take 2 hours to charge a 100kWh super-capacitor.
A Tesla 'supercharger' provides each car with a max of 480V @ 250A, or 120kW. In theory, a perfectly efficient system should be able to charge a 85kWH battery (or capacitor) in 45 minutes. In reality, Tesla's marketing claim is that it can be done in 75 minutes, suggesting the system is only about 60% efficient.
We've already got HOA's in CA banning electric car charging because the subdivisions infrastructure can't take it, and that's with the low power home version Tesla overnight chargers!
There's 40 homes on my cul-de-sac. 40 cars trying to recharge even at, let's say, a 2-hour charge time, is 2,000kW. Where the heck is that coming from?
Richard
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Damm it! hate it when reality interferes with some peoples pipe dreams.
__________________
Foretravel tag axle 40 ft. 500 hp/1550 ft/lbs ism 1455 watts on the roof. 600 a/h's lithium down below.
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12-20-2018, 05:06 PM
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#151
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Senior Member
Join Date: Feb 2005
Location: Anywhere USA
Posts: 112
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Quote:
Originally Posted by TonyMac
And by 2010 the ice caps will melt and LA will be under water.
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Oh how I wish that one was true and that it included HollyBooHoo "Hollywood" as well.
__________________
Rick,
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12-20-2018, 05:06 PM
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#152
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Junior Member
Join Date: May 2018
Posts: 1
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Even if the timeline is off - let's say by 5 years, it is inevitable. The good news is for those of us driving ice vehicles during that time will benefit from our gas/diesel-guzzling RVs because it will be a LONG time after the described scenario for EV cars and trucks that EV RV's are feasible.
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12-20-2018, 05:12 PM
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#153
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Senior Member
Foretravel Owners Club
Join Date: Apr 2016
Location: Home is Where WE PARK IT...
Posts: 6,018
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Quote:
Originally Posted by Mark N.
Really? You've never had to finance anything you needed in your life? You've paid cash for your home(s), cars, trucks, , whatever? Wow.
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Yes....
And We did "without" most of the "things" that others felt were necessary.
We tried to avoid replacing anything until it was completely wore out or no longer suitable for use.
ie:cars/trucks/Motor Coaches/clothes/furniture/household appliances.
My pickup is 32 years old, both of our little cars are 13 years old, our coach is 16 years old, and the 12' boat (was a gift) is 59 years old
.
In business, Yes I did use short term credit / equipment leasing when it was to my taxable exposure advantage..
__________________
Retired truckdriver,
'02 Foretravel... "This Shack will do"
being pushed by an '06 Scion xB
SKP's of Box Elder, South Dakota
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12-20-2018, 05:17 PM
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#154
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Senior Member
Join Date: Jan 2013
Location: Muskoka Ontario Canada
Posts: 3,142
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Why not just put electric motors on the rear wheels, and use our on board generators to drive them. This would eliminate the need for a transmission, and the weight of the heavy batteries. The technology has been used for many years in diesel electric train locomotives. Many ships have converted to the z drives as well. Im not sure what sized generator you would need, but if it cuts down fuel consumption at all, it would be worth it. It would eliminate drive shafts, and lots of moving parts as well. Any brainiacs know how to calculate how big a genny we need for that one.
__________________
2000 coachmen santara 370 5.9 cummins isb
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