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How will the scouts handle the extreme cold?

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Rampy said:
Lived on Okinawa for several years & had 10-12 typhoons a year & out of that 2-4 were super typhoons. Nothing like being trapped inside for 3 days while 2 super typhoons fought over the island

This is the aftermath of a really mild winter snow….Its I80 between Cheyenne and Laramie not in Colorado

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Absolutely terrible! I guess weather sucks sometimes everywhere. I hope that Scout is reading these stories about different severe weather conditions in different regions. Scouts need to be tough and reliable in all those conditions. Scout owners and vehicles will be the type you see helping people in these situations.
 
Rampy said:
Hard to describe how cold and dangerous winters are here, I80 has been closed 3-4 days, small towns snowed in, grocery stores out of food, truckstops packed, fairgrounds open for semi parking & snowed in

-20F with a steady 20-30mpg wind sucks the life out of you and then it gets cold…..

They have fuel trucks escorted by snow plows trying to get fuel to stranded vehicles. Saw pictures of a Tesla charging station on I80 completely buried and inaccessible with the roof of a EV barely showing

We were snowed in 4 days….could not leave the house, roads to our subdivision completely snowed closed & even had a stuck snow plow trying to open the main road

Winters in an EV scare me, but I’m trying to learn and put my prejudice behind me
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I hear you, and have experienced similar conditions. Yet, the other question remains: "How will the EV batteries and systems react to extreme prolonged heat?" There was nearly a month of >105ºF in Phoenix area last year. I'm sure that with the aggressive advance of global warming that similar conditions will be repeated more often and elsewhere. Battery power comes from a chemical reaction, and every chemical reaction I can recall is directly affected by adding heat. IIRC from my PChem courses not all processes just get faster when heated. I wonder both about the daily functioning under excessive heat conditions, and what those extended days of extreme (to humans) heat mean to the longevity of the batteries and related systems.
 
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TaconicBear said:
I am concerned with the issue of keeping the battery warm enough to be functional. If what I've read will be correct for the Scout EV it seems that the battery will have to remain warm or be warmed prior to use at Arctic temperatures. We know that resistive heating really eats up the amperes, so yes, I'm interested in what the engineers of the battery pack have to say.

I've posted elsewhere about windshield wiper heaters. They were an option a few decades ago, but didn't last long in the marketplace. My experience is that with wipers that reside in a trough between the hood and windshield, those devices mostly turned the snow into an ice block which required careful ice pick work or a kettle of hot water. This is one nod to Scout II design that SM seems to have missed, no trench, and wipers mounted above the windshield frame.
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TaconicBear said:
I hear you, and have experienced similar conditions. Yet, the other question remains: "How will the EV batteries and systems react to extreme prolonged heat?" There was nearly a month of >105ºF in Phoenix area last year. I'm sure that with the aggressive advance of global warming that similar conditions will be repeated more often and elsewhere. Battery power comes from a chemical reaction, and every chemical reaction I can recall is directly affected by adding heat. IIRC from my PChem courses not all processes just get faster when heated. I wonder both about the daily functioning under excessive heat conditions, and what those extended days of extreme (to humans) heat mean to the longevity of the batteries and related systems.
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Generally speaking, most if not all modern EV's have very robust thermal management, when the extreme cold and heat is happening the heat pump (much more efficient than resistive heat) and/or fans will come on to keep the coolant for the battery from getting too hot or cold. I'm in Wyoming and last winter had zero problems, only reduced range at highway speeds, which can be minimalized with different methods. Traveling to southern Colorado in the heat of summer at 100+ degrees also with no issues, less range reduction since regular a/c is more efficient than heat on a heat pump.
In a recent trip between Cheyenne and Green River on I80 we were planning on topping off for a few minutes in Rawlins just for a little insurance on range. Ended up stuck in traffic for a few hours with stop and go traffic before the stop while the temps were in 40's, had almost no effect on range.
 
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TaconicBear said:
I hear you, and have experienced similar conditions. Yet, the other question remains: "How will the EV batteries and systems react to extreme prolonged heat?" There was nearly a month of >105ºF in Phoenix area last year. I'm sure that with the aggressive advance of global warming that similar conditions will be repeated more often and elsewhere. Battery power comes from a chemical reaction, and every chemical reaction I can recall is directly affected by adding heat. IIRC from my PChem courses not all processes just get faster when heated. I wonder both about the daily functioning under excessive heat conditions, and what those extended days of extreme (to humans) heat mean to the longevity of the batteries and related systems.
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I can speak to the heat question as it is HOT here in the summer. This is only from my own experience and not scientific. I have found that the EV operates better than ICE in very hot weather. The cooling systems on EVs have come a very long way and work very well. Radiant heat from the road, combined with heat from the engine, and a blaring sun really take a toll on the vehicle and its cooling system. By that I mean the air conditioning and the drivetrain cooling. Once again, pre conditioning before leaving is a great way to cool the vehicle and protect the battery. Without all the engine and transmission cooling and exhaust heat, the EV just performs better.
 
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TaconicBear said:
I hear you, and have experienced similar conditions. Yet, the other question remains: "How will the EV batteries and systems react to extreme prolonged heat?" There was nearly a month of >105ºF in Phoenix area last year. I'm sure that with the aggressive advance of global warming that similar conditions will be repeated more often and elsewhere. Battery power comes from a chemical reaction, and every chemical reaction I can recall is directly affected by adding heat. IIRC from my PChem courses not all processes just get faster when heated. I wonder both about the daily functioning under excessive heat conditions, and what those extended days of extreme (to humans) heat mean to the longevity of the batteries and related systems.
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Aggressive advance of global warming 🤣🤣
 
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Lagspike said:
Generally speaking, most if not all modern EV's have very robust thermal management, when the extreme cold and heat is happening the heat pump (much more efficient than resistive heat) and/or fans will come on to keep the coolant for the battery from getting too hot or cold. I'm in Wyoming and last winter had zero problems, only reduced range at highway speeds, which can be minimalized with different methods. Traveling to southern Colorado in the heat of summer at 100+ degrees also with no issues, less range reduction since regular a/c is more efficient than heat on a heat pump.
In a recent trip between Cheyenne and Green River on I80 we were planning on topping off for a few minutes in Rawlins just for a little insurance on range. Ended up stuck in traffic for a few hours with stop and go traffic before the stop while the temps were in 40's, had almost no effect on range.
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Very good to know, thank you
 
LastDayScout said:
Let me pre disqualify my opinions as I live in South Carolina and we get a flurry once every few years. But, the Scouts will likely have heat pumps which work great and help preserve battery life. They are nearly instant because you are not waiting for liquid to warm up like in a ICE vehicle. I do not know if Scout will incorporate anything like this, but BMW PHEVs and EVs have radiant electric heat built into the seat, door, armrest and dash. That combined with a heated steering wheel. The effect is remarkable. It heats all around you, not just blowing from a vent. In addition it uses less energy to heat up those elements than to force heat through the vents. Also, an EV really doesn't draw that much power when stopped (read idling). So, if you get stuck on a winter road in a blizzard you may actually have a longer reserve than you would with an ICE vehicle. There is definitely a range hit in the cold. But, the Norwegians figured it out and it gets very cold there too. The share of EV registrations in the country is around 80-90%. It was mentioned earlier, but pre-conditioning goes a long way for battery health and range.
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Norway is long and skinny and has a lot more charging infrastructure even in rural areas.
 
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Rampy said:
Aggressive advance of global warming 🤣🤣
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Okay, I’m open-minded: how is this not a real concern? I’m hoping to read a couple of things that back up why my sixth-grade teachers were misled to teach us about the depleted ozone layer on Earth Day 1990. I think that’s the first time I ever heard about global warming. If this is all bogus, they’re really playing the long game with this one. Why?
 
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theek said:
Norway is long and skinny and has a lot more charging infrastructure even in rural areas.
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It's hard to compare us to Norway. They have less than 6 million people, are 80% urbanized and are sitting on a sovereign wealth fund of 1.7 trillion USD. They offer many incentives for EV buyers and their great wealth makes it easier for them to add charging stations. Countries that don't have domestic auto production also don't have any auto jobs to lose. It's also easier to get people to switch to EV when gasoline is heavily taxed.
 
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Chuckles said:
It's hard to compare us to Norway. They have less than 6 million people, are 80% urbanized and are sitting on a sovereign wealth fund of 1.7 trillion USD. They offer many incentives for EV buyers and their great wealth makes it easier for them to add charging stations. Countries that don't have domestic auto production also don't have any auto jobs to lose. It's also easier to get people to switch to EV when gasoline is heavily taxed.
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I am only comparing a cold place in Europe to an equally cold place in North America. Temperature as it relates to EVs. I am not talking about the geopolitical or socio economic differences.
 
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Another reason to have the "Harvester" range extender.

My Cayenne S had a small gas heater that would warm up the engine and interior that could be set to a timer like an alarm clock.

Granted 2009, imagine the same where the Harvester would warm up the cabin and the battery on uber cold days - yes!
 
UberBar said:
Another reason to have the "Harvester" range extender.

My Cayenne S had a small gas heater that would warm up the engine and interior that could be set to a timer like an alarm clock.

Granted 2009, imagine the same where the Harvester would warm up the cabin and the battery on uber cold days - yes!
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Many EV's allow you to warm up/condition the battery with an app. There's no reason Scout can't do the same.
 
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The downside is the resistive heater uses valuable battery juice, where the Harvester can provide a little charge to the battery while warming the battery and interior - win win!
 
R1TVT said:
Not necessarily. See my previous post with screen shots from the Rivian app as an example. You can pre-condition and preserve SOC using power from the charger (as an option when plugged in).
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Won’t have any capacity to plug in other than a standard 110 outlet, need to update household wiring as it’s a old house & that’s going to be quite expensive

Then will need an outside rated LV2 charger as the Scout will live outside from -40 to 100 temps
 
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