Electronics-Related.com
Forums

Tesla is fast

Started by RichD April 13, 2022
On Thursday, April 14, 2022 at 5:23:37 PM UTC-4, lang...@fonz.dk wrote:
> torsdag den 14. april 2022 kl. 23.14.28 UTC+2 skrev Ricky: > > On Thursday, April 14, 2022 at 12:28:09 PM UTC-4, Ed Lee wrote: > > > On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: > > > > On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: > > > > > torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: > > > > > > On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: > > > > > > > onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: > > > > > > > > On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: > > > > > > > > > Today the electric cars are the quickest on the road. > > > > > > > > > The classic petrol muscle cars are vying for the silver medal. > > > > > > > > > > > > > > > > > > Was it obvious to the designers, from day one, > > > > > > > > > that this would be the case? Is it simply a power/weight calculation? > > > > > > > > > > > > > > > > > > I'm congenitally leery of simple explanations - > > > > > > > > For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. > > > > > > > And electric motors can usually handle quite a lot of extra power short term > > > > > > I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. > > > > > trucks are not fast, and most of the cargo is going to be batteries ... > > > > More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? > > > Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV. > > Drivers can only be on duty for 8 hours before being required to take a 30-minute break. They can only drive for 11 hours total before having to take a much longer time off. > EU rules are more restrictive, a minimum of 45 minutes rest every 4.5 hours and a maximum of 9 hours driving per day
A 45 minute break will get you a 90% charge if the supply can provide adequate current. That's a slam dunk! The EU also gives a 2 tonne weight extension for BEVs. In the US it's only 1 ton. -- Rick C. +-- Get 1,000 miles of free Supercharging +-- Tesla referral code - https://ts.la/richard11209
On Thursday, April 14, 2022 at 2:14:28 PM UTC-7, Ricky wrote:
> On Thursday, April 14, 2022 at 12:28:09 PM UTC-4, Ed Lee wrote: > > On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: > > > On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: > > > > torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: > > > > > On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: > > > > > > onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: > > > > > > > On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: > > > > > > > > Today the electric cars are the quickest on the road. > > > > > > > > The classic petrol muscle cars are vying for the silver medal. > > > > > > > > > > > > > > > > Was it obvious to the designers, from day one, > > > > > > > > that this would be the case? Is it simply a power/weight calculation? > > > > > > > > > > > > > > > > I'm congenitally leery of simple explanations - > > > > > > > For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. > > > > > > And electric motors can usually handle quite a lot of extra power short term > > > > > I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. > > > > trucks are not fast, and most of the cargo is going to be batteries ... > > > More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? > > Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV. > Drivers can only be on duty for 8 hours before being required to take a 30-minute break. They can only drive for 11 hours total before having to take a much longer time off. In a 30 minute break, charging can restore some 70-80% of the initial range. Call it 75%, so 11 hours of driving can extend to 175% of the initial range. 11 hr x 65 mph = 715 miles requires a vehicle range of over 400 miles. That's not a stretch in any way. Tesla is planning 300 and 500 mile versions. I can't tell you the weight of those batteries, but Tesla is saying they will not have to give up significantly on the payload capacity, "less than 1 ton", according to Musk.
We can only guess. Current Tesla battery is around 1/2 ton for vehicle weight of 3 to 4 tons. A fully loaded semi could weight 20 to 25 tons. I think it would be several tons of batteries.
On 15/4/22 2:28 am, Ed Lee wrote:
> On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: >> On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: >>> torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: >>>> On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: >>>>> onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: >>>>>> On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: >>>>>>> Today the electric cars are the quickest on the road. >>>>>>> The classic petrol muscle cars are vying for the silver medal. >>>>>>> >>>>>>> Was it obvious to the designers, from day one, >>>>>>> that this would be the case? Is it simply a power/weight calculation? >>>>>>> >>>>>>> I'm congenitally leery of simple explanations - >>>>>> For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. >>>>> And electric motors can usually handle quite a lot of extra power short term >>>> I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. >>> trucks are not fast, and most of the cargo is going to be batteries ... >> More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? > > Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV.
Read the link I sent. Standard prime movers are being retrofitted (in under a week!) with electric drive motors and quick-swap batteries. The trucks aren't limited by the geometry or aesthetics of a passenger car, so standardised interchangable batteries are easily achievable. The batteries are rented, so the owner just pays for the power+depreciation. Battery exchange/charging stations are being installed every few 100km along major highways. Clifford Heath
On Thursday, April 14, 2022 at 5:45:55 PM UTC-4, Ed Lee wrote:
> On Thursday, April 14, 2022 at 2:14:28 PM UTC-7, Ricky wrote: > > On Thursday, April 14, 2022 at 12:28:09 PM UTC-4, Ed Lee wrote: > > > On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: > > > > On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: > > > > > torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: > > > > > > On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: > > > > > > > onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: > > > > > > > > On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: > > > > > > > > > Today the electric cars are the quickest on the road. > > > > > > > > > The classic petrol muscle cars are vying for the silver medal. > > > > > > > > > > > > > > > > > > Was it obvious to the designers, from day one, > > > > > > > > > that this would be the case? Is it simply a power/weight calculation? > > > > > > > > > > > > > > > > > > I'm congenitally leery of simple explanations - > > > > > > > > For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. > > > > > > > And electric motors can usually handle quite a lot of extra power short term > > > > > > I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. > > > > > trucks are not fast, and most of the cargo is going to be batteries ... > > > > More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? > > > Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV. > > Drivers can only be on duty for 8 hours before being required to take a 30-minute break. They can only drive for 11 hours total before having to take a much longer time off. In a 30 minute break, charging can restore some 70-80% of the initial range. Call it 75%, so 11 hours of driving can extend to 175% of the initial range. 11 hr x 65 mph = 715 miles requires a vehicle range of over 400 miles. That's not a stretch in any way. Tesla is planning 300 and 500 mile versions. I can't tell you the weight of those batteries, but Tesla is saying they will not have to give up significantly on the payload capacity, "less than 1 ton", according to Musk. > We can only guess. Current Tesla battery is around 1/2 ton for vehicle weight of 3 to 4 tons. A fully loaded semi could weight 20 to 25 tons. I think it would be several tons of batteries.
Lol! Sometimes you truly amaze me. -- Rick C. +-+ Get 1,000 miles of free Supercharging +-+ Tesla referral code - https://ts.la/richard11209
On Thursday, April 14, 2022 at 6:42:19 PM UTC-4, Clifford Heath wrote:
> On 15/4/22 2:28 am, Ed Lee wrote: > > On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: > >> On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: > >>> torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: > >>>> On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: > >>>>> onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: > >>>>>> On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: > >>>>>>> Today the electric cars are the quickest on the road. > >>>>>>> The classic petrol muscle cars are vying for the silver medal. > >>>>>>> > >>>>>>> Was it obvious to the designers, from day one, > >>>>>>> that this would be the case? Is it simply a power/weight calculation? > >>>>>>> > >>>>>>> I'm congenitally leery of simple explanations - > >>>>>> For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. > >>>>> And electric motors can usually handle quite a lot of extra power short term > >>>> I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. > >>> trucks are not fast, and most of the cargo is going to be batteries ... > >> More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? > > > > Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV. > Read the link I sent. Standard prime movers are being retrofitted (in > under a week!) with electric drive motors and quick-swap batteries. The > trucks aren't limited by the geometry or aesthetics of a passenger car, > so standardised interchangable batteries are easily achievable. > > The batteries are rented, so the owner just pays for the > power+depreciation. Battery exchange/charging stations are being > installed every few 100km along major highways.
I'm interested, but not enough to read through the fluff. Can you provide the pertinent facts? Are they talking about rechargeable batteries or primary cells, like aluminum-air? -- Rick C. ++- Get 1,000 miles of free Supercharging ++- Tesla referral code - https://ts.la/richard11209
On Thursday, April 14, 2022 at 4:20:03 PM UTC-7, Ricky wrote:
> On Thursday, April 14, 2022 at 6:42:19 PM UTC-4, Clifford Heath wrote: > > On 15/4/22 2:28 am, Ed Lee wrote: > > > On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: > > >> On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: > > >>> torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: > > >>>> On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: > > >>>>> onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: > > >>>>>> On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: > > >>>>>>> Today the electric cars are the quickest on the road. > > >>>>>>> The classic petrol muscle cars are vying for the silver medal. > > >>>>>>> > > >>>>>>> Was it obvious to the designers, from day one, > > >>>>>>> that this would be the case? Is it simply a power/weight calculation? > > >>>>>>> > > >>>>>>> I'm congenitally leery of simple explanations - > > >>>>>> For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. > > >>>>> And electric motors can usually handle quite a lot of extra power short term > > >>>> I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. > > >>> trucks are not fast, and most of the cargo is going to be batteries ... > > >> More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? > > > > > > Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV. > > Read the link I sent. Standard prime movers are being retrofitted (in > > under a week!) with electric drive motors and quick-swap batteries. The > > trucks aren't limited by the geometry or aesthetics of a passenger car, > > so standardised interchangable batteries are easily achievable. > > > > The batteries are rented, so the owner just pays for the > > power+depreciation. Battery exchange/charging stations are being > > installed every few 100km along major highways. > I'm interested, but not enough to read through the fluff. Can you provide the pertinent facts? Are they talking about rechargeable batteries or primary cells, like aluminum-air?
$120,000 6 cu.m(est) 1500lbs (est) 100kwhr (guess) They claim 300 miles range, but i really doubt it for fully loaded truck.
On 15/4/22 9:19 am, Ricky wrote:
> On Thursday, April 14, 2022 at 6:42:19 PM UTC-4, Clifford Heath wrote: >> On 15/4/22 2:28 am, Ed Lee wrote: >>> On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: >>>> On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: >>>>> torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: >>>>>> On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: >>>>>>> onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: >>>>>>>> On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: >>>>>>>>> Today the electric cars are the quickest on the road. >>>>>>>>> The classic petrol muscle cars are vying for the silver medal. >>>>>>>>> >>>>>>>>> Was it obvious to the designers, from day one, >>>>>>>>> that this would be the case? Is it simply a power/weight calculation? >>>>>>>>> >>>>>>>>> I'm congenitally leery of simple explanations - >>>>>>>> For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. >>>>>>> And electric motors can usually handle quite a lot of extra power short term >>>>>> I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. >>>>> trucks are not fast, and most of the cargo is going to be batteries ... >>>> More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? >>> >>> Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV. >> Read the link I sent. Standard prime movers are being retrofitted (in >> under a week!) with electric drive motors and quick-swap batteries. The >> trucks aren't limited by the geometry or aesthetics of a passenger car, >> so standardised interchangable batteries are easily achievable. >> >> The batteries are rented, so the owner just pays for the >> power+depreciation. Battery exchange/charging stations are being >> installed every few 100km along major highways. > > I'm interested, but not enough to read through the fluff. Can you provide the pertinent facts? Are they talking about rechargeable batteries or primary cells, like aluminum-air? >
Rechargable. Currently Lithium, but the module form factor is designed to adapt to likely new chemistries. The important point is the drive motor and battery fits into the existing motor cavity and fuel tank locations, so there is no structural modification required. The conversion cost is equivalent to rebuilding or replacing the diesel, and the operating cost per kilometre a little over half, and service costs also significantly reduced. <https://www.januselectric.com.au/#:~:text=Interchangeable%20Parts> CH
fredag den 15. april 2022 kl. 01.28.50 UTC+2 skrev Ed Lee:
> On Thursday, April 14, 2022 at 4:20:03 PM UTC-7, Ricky wrote: > > On Thursday, April 14, 2022 at 6:42:19 PM UTC-4, Clifford Heath wrote: > > > On 15/4/22 2:28 am, Ed Lee wrote: > > > > On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: > > > >> On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: > > > >>> torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: > > > >>>> On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: > > > >>>>> onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: > > > >>>>>> On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: > > > >>>>>>> Today the electric cars are the quickest on the road. > > > >>>>>>> The classic petrol muscle cars are vying for the silver medal. > > > >>>>>>> > > > >>>>>>> Was it obvious to the designers, from day one, > > > >>>>>>> that this would be the case? Is it simply a power/weight calculation? > > > >>>>>>> > > > >>>>>>> I'm congenitally leery of simple explanations - > > > >>>>>> For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. > > > >>>>> And electric motors can usually handle quite a lot of extra power short term > > > >>>> I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. > > > >>> trucks are not fast, and most of the cargo is going to be batteries ... > > > >> More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? > > > > > > > > Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV. > > > Read the link I sent. Standard prime movers are being retrofitted (in > > > under a week!) with electric drive motors and quick-swap batteries. The > > > trucks aren't limited by the geometry or aesthetics of a passenger car, > > > so standardised interchangable batteries are easily achievable. > > > > > > The batteries are rented, so the owner just pays for the > > > power+depreciation. Battery exchange/charging stations are being > > > installed every few 100km along major highways. > > I'm interested, but not enough to read through the fluff. Can you provide the pertinent facts? Are they talking about rechargeable batteries or primary cells, like aluminum-air? > $120,000 6 cu.m(est) 1500lbs (est) 100kwhr (guess) > > They claim 300 miles range, but i really doubt it for fully loaded truck.
modern 40 ton diesel trucks average something like ~4km/l a liter of diesel is ~10kWh
On Thursday, April 14, 2022 at 4:51:14 PM UTC-7, lang...@fonz.dk wrote:
> fredag den 15. april 2022 kl. 01.28.50 UTC+2 skrev Ed Lee: > > On Thursday, April 14, 2022 at 4:20:03 PM UTC-7, Ricky wrote: > > > On Thursday, April 14, 2022 at 6:42:19 PM UTC-4, Clifford Heath wrote: > > > > On 15/4/22 2:28 am, Ed Lee wrote: > > > > > On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: > > > > >> On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: > > > > >>> torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: > > > > >>>> On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: > > > > >>>>> onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: > > > > >>>>>> On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: > > > > >>>>>>> Today the electric cars are the quickest on the road. > > > > >>>>>>> The classic petrol muscle cars are vying for the silver medal. > > > > >>>>>>> > > > > >>>>>>> Was it obvious to the designers, from day one, > > > > >>>>>>> that this would be the case? Is it simply a power/weight calculation? > > > > >>>>>>> > > > > >>>>>>> I'm congenitally leery of simple explanations - > > > > >>>>>> For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. > > > > >>>>> And electric motors can usually handle quite a lot of extra power short term > > > > >>>> I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. > > > > >>> trucks are not fast, and most of the cargo is going to be batteries ... > > > > >> More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? > > > > > > > > > > Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV. > > > > Read the link I sent. Standard prime movers are being retrofitted (in > > > > under a week!) with electric drive motors and quick-swap batteries. The > > > > trucks aren't limited by the geometry or aesthetics of a passenger car, > > > > so standardised interchangable batteries are easily achievable. > > > > > > > > The batteries are rented, so the owner just pays for the > > > > power+depreciation. Battery exchange/charging stations are being > > > > installed every few 100km along major highways. > > > I'm interested, but not enough to read through the fluff. Can you provide the pertinent facts? Are they talking about rechargeable batteries or primary cells, like aluminum-air? > > $120,000 6 cu.m(est) 1500lbs (est) 100kwhr (guess) > > > > They claim 300 miles range, but i really doubt it for fully loaded truck. > modern 40 ton diesel trucks average something like ~4km/l > a liter of diesel is ~10kWh
My tiny Leaf can do around 3 miles per kWh. I don't think a fully loaded huge truck can do the same.
On Thursday, April 14, 2022 at 7:48:23 PM UTC-4, Clifford Heath wrote:
> On 15/4/22 9:19 am, Ricky wrote: > > On Thursday, April 14, 2022 at 6:42:19 PM UTC-4, Clifford Heath wrote: > >> On 15/4/22 2:28 am, Ed Lee wrote: > >>> On Thursday, April 14, 2022 at 8:46:32 AM UTC-7, Ricky wrote: > >>>> On Wednesday, April 13, 2022 at 6:44:19 PM UTC-4, lang...@fonz.dk wrote: > >>>>> torsdag den 14. april 2022 kl. 00.38.16 UTC+2 skrev Ed Lee: > >>>>>> On Wednesday, April 13, 2022 at 2:52:18 PM UTC-7, lang...@fonz.dk wrote: > >>>>>>> onsdag den 13. april 2022 kl. 23.02.08 UTC+2 skrev Ed Lee: > >>>>>>>> On Wednesday, April 13, 2022 at 12:52:45 PM UTC-7, RichD wrote: > >>>>>>>>> Today the electric cars are the quickest on the road. > >>>>>>>>> The classic petrol muscle cars are vying for the silver medal. > >>>>>>>>> > >>>>>>>>> Was it obvious to the designers, from day one, > >>>>>>>>> that this would be the case? Is it simply a power/weight calculation? > >>>>>>>>> > >>>>>>>>> I'm congenitally leery of simple explanations - > >>>>>>>> For one thing, it's easier to install and control multiple motors. For maximum performance, you can put one (or more) motor per wheel, which is hard to do with ICE. > >>>>>>> And electric motors can usually handle quite a lot of extra power short term > >>>>>> I am thinking in terms of trucking. Perhaps 18 motors for 18 wheelers. Smaller distributed motors might work better for heavy cargo. > >>>>> trucks are not fast, and most of the cargo is going to be batteries ... > >>>> More FUD. Usually you post real information. What bee is up your bonnet about BEV trucks? > >>> > >>> Biggest problem is to maintain the current truck/driver model, where they are driving 8 to 10 hours of the same truck. In that case, we might need upward of 10,000 pounds of batteries. However, there are always shorter hauls where they can decouple the drivers with trucks/trailers, or go with hybrid diesel/EV. > >> Read the link I sent. Standard prime movers are being retrofitted (in > >> under a week!) with electric drive motors and quick-swap batteries. The > >> trucks aren't limited by the geometry or aesthetics of a passenger car, > >> so standardised interchangable batteries are easily achievable. > >> > >> The batteries are rented, so the owner just pays for the > >> power+depreciation. Battery exchange/charging stations are being > >> installed every few 100km along major highways. > > > > I'm interested, but not enough to read through the fluff. Can you provide the pertinent facts? Are they talking about rechargeable batteries or primary cells, like aluminum-air? > > > Rechargable. Currently Lithium, but the module form factor is designed > to adapt to likely new chemistries. The important point is the drive > motor and battery fits into the existing motor cavity and fuel tank > locations, so there is no structural modification required. > > The conversion cost is equivalent to rebuilding or replacing the diesel, > and the operating cost per kilometre a little over half, and service > costs also significantly reduced. > > <https://www.januselectric.com.au/#:~:text=Interchangeable%20Parts>
I suppose a battery swap might be more useful for a truck than for cars. But there are issues with scheduling. When a truck has a delivery, that delivery has a schedule. You arrive by the time of your dock appointment or you lose it. I would expect battery swaps to be the same way. So an appointment is made in advance and what do we do to make sure we arrive in time for appointments? We arrive early. The whole point of the battery swap is to reduce wasted time charging. So how does it help to have to arrive 15 to 30 minutes early to make sure of meeting the appointment, vs. simply spending 45 minutes to charge? It's hard to imagine a battery swap for trucks that is so rapid that no appointment is needed. But maybe that's just the limit of my imagination. Comparing to fueling up or charging, the battery swap is going to require trained personnel and something that may be a bit on the fancy side to swap out the battery. I don't know if that will be a significant factor in the cost of the service or not. The main issue will likely be the company itself. You are limited to working with one outfit, serving how large an area? They can even fold. -- Rick C. +++ Get 1,000 miles of free Supercharging +++ Tesla referral code - https://ts.la/richard11209