Forum Discussion
102 Replies
- notevenExplorer IIIElectric class 8 trucks and medium duties make sense in the less than truckload and light freight segments.
Current prototypes are heavy compared to a properly spec’d diesel truck which won’t work at the moment in the bulk carrier / full payload required segments.
Back to my bale hauling comparison I didn’t mention a class 8 with a 15litre Cat diesel hauled 30% more payload on 30% less fuel and would have done way more but was limited by load space on the trailer. And didn’t even break a sweat.
Pickups are not very efficient hauling big weights. - Yosemite_Sam1Explorer
time2roll wrote:
Dadoffourgirls wrote:
The factory is under construction as you well know. And your deposit is fully refundable... just submit your request direct to Tesla.
I suspect Tusk would have been exposed the same way! Where are the semi's with those deposits? Or the model 3's? Seems they may have mislead investors as well.
BTW it is no longer "Tusk" as Elon's new title is "Technoking"
:B
And that nick-naming is from someone who calls himself Daffodils, immortalized by the poem, I have a little pony, whose name is daffodils...:B Dadoffourgirls wrote:
The factory is under construction as you well know. And your deposit is fully refundable... just submit your request direct to Tesla.
I suspect Tusk would have been exposed the same way! Where are the semi's with those deposits? Or the model 3's? Seems they may have mislead investors as well.
BTW it is no longer "Tusk" as Elon's new title is "Technoking"Dadoffourgirls wrote:
Reisender wrote:
...Ugh. I wonder if it will be another Nikola.
I think the race to production will be won by Rivian followed by TESLA...or maybe ford.
Time will tell.
Jmho.
I suspect Tusk would have been exposed the same way! Where are the semi's with those deposits? Or the model 3's? Seems they may have mislead investors as well.
And you keep forgetting an electric truck. The GMC Hummer will be this fall. There are more sightings of real GMC Hummer than another brands semi and pickup combined. Might as well make that three specific companies combined.
I really think that you get paid for the number of times you get E man or his T company posted in the public. You are really careful to never mention gm, the company that will have 30 electric vehicles globally by 2025, and actually shares it actual deliveries by countries.
I have nothing against GM. I have personally had bad luck with them but others seem to do well with them. The Bolt is a nice little car and should do well with it’s price drop and new revision.
I quite honestly never remember the Hummer when it comes to trucks because I forget that there is a truck version. I don’t know what their projected date of production is. Do you?
GM looks like they are getting serious about EV’s. Hopefully the dealers do the same. Without the dealers on board it will not go well. I believe the dealers are the reason the bolt has had such dismal sales. There are still 2019’s on lots here.
I didn’t understand your comment on deposits and model 3’s or semis.
Cheers.- DadoffourgirlsExplorer
Reisender wrote:
...Ugh. I wonder if it will be another Nikola.
I think the race to production will be won by Rivian followed by TESLA...or maybe ford.
Time will tell.
Jmho.
I suspect Tusk would have been exposed the same way! Where are the semi's with those deposits? Or the model 3's? Seems they may have mislead investors as well.
And you keep forgetting an electric truck. The GMC Hummer will be this fall. There are more sightings of real GMC Hummer than another brands semi and pickup combined. Might as well make that three specific companies combined.
I really think that you get paid for the number of times you get E man or his T company posted in the public. You are really careful to never mention gm, the company that will have 30 electric vehicles globally by 2025, and actually shares it actual deliveries by countries. - pianotunaNomad III
rlw999 wrote:
pianotuna wrote:
noteven wrote:
I'm not sure how to convert 5 gals per hour of diesel fuel used into kwhr of BEV range...
+of+diesel+oil/to/kilowatt-hour]https://www.convertunits.com/from/gallon+[U.S.]+of+diesel+oil/to/kilowatt-hour
So 5 gallons per hour = 203.5 kwh
That's only accurate if your engine is 100% efficient. The most efficient real world diesel engines reach around 45% peak efficiency, so it's closer to 91 KWh per 5 gallons of diesel.
But power out the driveshaft isn't power to the wheels, so you can't really compare isolated components like this. The only real way to compare is to look at real world energy put into the battery versus gallons put into the fuel tank.
It is also true that electric vehicles have maximum torque at zero RPM so a much smaller motor would be needed. I've not got any idea just what the multiplier should be. - rlw999Explorer
pianotuna wrote:
noteven wrote:
I'm not sure how to convert 5 gals per hour of diesel fuel used into kwhr of BEV range...
+of+diesel+oil/to/kilowatt-hour]https://www.convertunits.com/from/gallon+[U.S.]+of+diesel+oil/to/kilowatt-hour
So 5 gallons per hour = 203.5 kwh
That's only accurate if your engine is 100% efficient. The most efficient real world diesel engines reach around 45% peak efficiency, so it's closer to 91 KWh per 5 gallons of diesel.
But power out the driveshaft isn't power to the wheels, so you can't really compare isolated components like this. The only real way to compare is to look at real world energy put into the battery versus gallons put into the fuel tank. noteven wrote:
This isn't a power the house question - "but"
I just did some work with a 2006 Dodge diesel pickup and goose neck flatbed. Due to the off road and back road nature of the work "miles" are not the same as highway.
A machine was moved to the location and back after the work. 2 loads.
10 loads of 8 tons +/- each of bales were moved in 2 mornings. GCW would be about 30,500lbs each trip. Don't panic this truck has done this kind of work for years.
In about 12 hours of hauling totalling 280 miles the truck used 60 USgals of diesel.
Let's say a BE "1 ton" 4x4 existed to compare, one with 300 ish hp like the Dodge.
Could it do this work in two 6 hour days, with an overnight charge - 12 trips at 30,500lbs.
I'm not sure how to convert 5 gals per hour of diesel fuel used into kwhr of BEV range...
It's really hard to say for sure, because real world data on existing commercial EVs is hard to find. Navistary has a prototype commercial medium duty electric truck with a 312 KWH battery, claiming a range of up to 250 miles. 30K GCW should be well within the capacity of this platform, although the article does not say what the truck's weight capacity is. I would think that a truck with this drivetrain and battery could do this job, especially in a two day period. The Cybertruck Trimotor has a 200 kwh battery, and while 30K GCW is well over its rated capacity, it would likely easily move that kind of load unless protective software prevents it. With the 200 kwh battery, though, it might not have the capacity to do that job, even over a two day period. The fact that this job caused a Cummins powered Dodge to only get 4 mpg says that a lot of work was getting done. An electric truck could gain some efficiency if there is a lot of stop and go driving as compared to highway driving. IMO commercial EVs will excel at short haul and delivery applications but will struggle to be as productive as diesel trucks in over the road applications, at least until battery technology advances. If a semi with a 1 mwh battery is ever built with no weight penalty compared to a diesel semi it will be a close call. I think some day it will.- pianotunaNomad III
noteven wrote:
I'm not sure how to convert 5 gals per hour of diesel fuel used into kwhr of BEV range...
+of+diesel+oil/to/kilowatt-hour]https://www.convertunits.com/from/gallon+[U.S.]+of+diesel+oil/to/kilowatt-hour
So 5 gallons per hour = 203.5 kwh - Going to be a specialized vehicle.
Largest is 110 ton dumptruck. https://www.youtube.com/watch?v=6qlwplwfvr8&t=12s
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