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Old 04-20-2022, 09:02 AM   #15
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Originally Posted by BillJinOR View Post
My volt car I drove for 3 years used the gas engine as a generator for the electric motor when the 40 mile battery was done. About a 500 mile combined range. Gas was only used for propulsion on level roads if the speed was just right ( no transmission)
1.5 liter ? engine did just fine providing all the power the electric motor required. The key is it retained a level of battery charge to “help” it on mountain passes or heavy acceleration. The battery also allowed the car to reclaim energy from slowing or braking.
Running on gas the engine speed was unrelated to throttle position. Mostly running at a constant speed it got great mileage and instant acceleration.
While it would require more than the 1.5 liter gas on a motorhome There are advantages to the system ..
An excellent example of how synergy exists between a fuel based engine and battery bank working in conjunction to expand overall fuel efficiency. I think we could see this hybrid approach in the near future, but again, unless innovation provides a massive increase in battery technology, I still envision a 100% electric solution for high energy demand items, such as, tractor trailers, farming equipment, manufacturing, etc. to be something that will take time to address.
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Old 04-20-2022, 12:16 PM   #16
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I think we could see this hybrid approach in the near future, but again, unless innovation provides a massive increase in battery technology, I still envision a 100% electric solution for high energy demand items, such as, tractor trailers, farming equipment, manufacturing, etc. to be something that will take time to address.
Of course, and also keep in mind that electricity isn't made from pixie dust and elfin farts. It has to come from wind, hydro, solar, atomic or fossil fuels. There is also something called Corona Loss in the transmission of the product over long lines as well.

My family used to have a trucking company and I drove for eight years over the road as a youngster. The weight of the unit is of major concern as it limits the amount of cargo that can be carried legally. Batteries are heavy. With todays technology a battery large enough to propel a fully loaded tractor trailer sufficient miles would probably weigh as much as the cargo.

It's a dream. Nothing more at the present.

BTW, Most Lithium mining is controlled by China. Anyone see a pattern here?
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Old 04-20-2022, 12:28 PM   #17
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toyota and cummins are working in real life 18 wheelers powered by hydrogen

cummins is building ICE engine to run on hydrogen and toyota is testing the fuel cell that creates electricity to run batteries that in turn provide energy for the electrics




problem is hydrogen availability



only emission is water and bad lithium batteries once they die.
but a company is also pursuing the recycle and dendrite removal which claims to bring dead lithium batteries back to 85% capacity



pure EV is stepping stone,

hydrogen ICE or fuel cells are the cost effective and less weight involved answer. compressed hydrogen is already used nation wide in city buses with zero issues on the fuel cell or storage flasks



there is no reason other than finding hydrogen stations along the way, that we cant have a fuel cell powered Class A or any rv right now.
ICE burning hydrogen is proven to be more efficient and zero danger emissions. while providing same levels of cargo capacity and range.
its a cool time for certain
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Old 04-20-2022, 12:49 PM   #18
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problem is hydrogen availability
And there you have it. A very large truck stop 20 minutes from our home spent thousands putting in Hydrogen Fueling Facilities and no one is using them. There was supposed to be test vehicles on the road by now making use of this, but they're non existent.

Not sure what the problems are.

Our garbage service has converted a very large fleet of Mack Diesel Trucks over to natural gas. They have a pipe line right in their yard and say the diesels run just fine on it. It's also clean burning, but of course a fossil fuel.
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Old 04-20-2022, 05:38 PM   #19
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Old 04-20-2022, 07:15 PM   #20
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And don't forget electric airplanes. The only problem I see is you could be up there a long time waiting for it to recharge. 😂
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Old 04-20-2022, 07:54 PM   #21
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And don't forget electric airplanes.
Not a laughing matter any longer: https://www.afar.com/magazine/electr...than-you-think
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Old 04-27-2022, 02:44 PM   #22
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It seems to me that electric airplanes will be slowing down air travel back to prop plane speeds. Although the artical posted in the previous post states there will be an all-electric, 186-seat commercial passenger jet with an 800-mile range I just don't see how a jet engine could run on electricity. Turbo fans may approach jet speeds, but unlikely.

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Old 04-27-2022, 06:19 PM   #23
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Ment to say ducted turbo fan but I didn't notice that my Amazon fire does not recognize the word ducted. Or maybe I am misspelling it. 😁😁
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Old 04-27-2022, 10:40 PM   #24
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Battery tech is the only hold up at the moment, I think we're still at the very least 5-6 (likely 10) years away from solid state batteries which are needed to hit 1000 mile ranges reliably. They charge faster, are lighter and dont catch on fire. Toyota is first out of the gate with one next year.
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Old 04-27-2022, 10:57 PM   #25
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The only way to achieve this is nuclear efficiency.
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Old 04-27-2022, 11:09 PM   #26
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To address the question posed in the topic, yes, but I don't think this particular product or its dubious promotion-speak is responsible for any advancing.

The general rate of research seems to be moving faster than it used to. I suspect that has more impact.
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Old 04-28-2022, 02:53 AM   #27
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Diesel electric has been powering much bigger things than RVs for a long time. Trains and ships. Clearly there are advantages. One I can think of is the diesel gets to hum away at a constant rpms. My hydrostatic tractor works like this. Second you get the all torque all the time electric motor turning your wheels. Not sure if it helps us breath clean air. But it’s old reliable tech. The original Honda Insight worked this way. It’s possible.
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Old 04-28-2022, 02:59 AM   #28
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The term "rare earth" is an archaic one, dating back to the elements’ discovery by a Swedish army lieutenant in 1787. In fact, most (though not all) of the 15 (or 16, or 17, depending on which scientist you’re talking to) elements are fairly common; several of them are more abundant in the Earth’s crust than lead or nitrogen.
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