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Posted: 2/4/2023 5:15:13 PM EDT
[#1]
Quote HistoryQuoted: A tractor Tethered to 480V 3 phase power would work well. Quote HistoryQuoted: Quoted: i dont think that EV tractors COULD work at all. will run 16-24 hours a day on big farms, you cant charge a battery for 1.5 horus every 3 and keep that up. plus they would be HUGE batteries, (tractors use TONS of torque constantly) and dont brake so no regen cycle, and constant acceleration. basically it would be like doing quarter mile drags constantly) tesla's doing drag races get 50 out of a full charge, so in miles that is 12.5 MILES from a 300 mile battery. in tractor time that is more like hour plowing hour charging. or tow a giant trailer battery(weighs a TON, see what towing does for EV trucks). Some sort of hybrid tractor MAYBE but the nature of the work doesnt lend itself to usefulness in that application. Hybrids work great for incity due to teh regen braking , they store braking energy as acceleration energy so they get 60-70 city miles while only gettign 55 highway. A tractor Tethered to 480V 3 phase power would work well. We could wire up the center pivot irrigators with 480v and have the tractors follow the same paths as the sprinklers. Maybe even make the center pivot a wind turbine tower. |
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Posted: 2/4/2023 5:21:11 PM EDT
[#2]
He Fired now.
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Posted: 2/4/2023 5:33:45 PM EDT
[#3]
Quote HistoryQuoted: We could wire up the center pivot irrigators with 480v and have the tractors follow the same paths as the sprinklers. Maybe even make the center pivot a wind turbine tower. Quote HistoryQuoted: Quoted: Quoted: i dont think that EV tractors COULD work at all. will run 16-24 hours a day on big farms, you cant charge a battery for 1.5 horus every 3 and keep that up. plus they would be HUGE batteries, (tractors use TONS of torque constantly) and dont brake so no regen cycle, and constant acceleration. basically it would be like doing quarter mile drags constantly) tesla's doing drag races get 50 out of a full charge, so in miles that is 12.5 MILES from a 300 mile battery. in tractor time that is more like hour plowing hour charging. or tow a giant trailer battery(weighs a TON, see what towing does for EV trucks). Some sort of hybrid tractor MAYBE but the nature of the work doesnt lend itself to usefulness in that application. Hybrids work great for incity due to teh regen braking , they store braking energy as acceleration energy so they get 60-70 city miles while only gettign 55 highway. A tractor Tethered to 480V 3 phase power would work well. We could wire up the center pivot irrigators with 480v and have the tractors follow the same paths as the sprinklers. Maybe even make the center pivot a wind turbine tower. Center pivots move really slow though, and each section kind of moves in jerky motion to keep it all together. Its basically limit switches to run the things. |
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Posted: 2/4/2023 5:44:14 PM EDT
[#4]
Just got a notice for my EV charging account from Electrify America. I have only used this company when there was no other options, which is not uncommon with the scattering of EV chargers. This company offers some free options at the .gov locations that use solar power. Otherwise, you pay. They upped their prices to .48 kwh and a per minute charge for the 90kwh charger of .19 a minute and .37 a minute for the large charger.
At this price point and not looking at anything other than mpg, it isn't feasible. I get about 3-3.5 miles per kwh. Add in heat or A/C and you are below 3 miles. Using their new charging rates of .63 per kwh based on my prior time rate, you are looking at .21 per mile. Compared to current pricing, these charging stations are not cheaper than using ICE. |
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Posted: 2/4/2023 8:32:23 PM EDT
[#5]
Quote HistoryQuoted: Just got a notice for my EV charging account from Electrify America. I have only used this company when there was no other options, which is not uncommon with the scattering of EV chargers. This company offers some free options at the .gov locations that use solar power. Otherwise, you pay. They upped their prices to .48 kwh and a per minute charge for the 90kwh charger of .19 a minute and .37 a minute for the large charger. At this price point and not looking at anything other than mpg, it isn't feasible. I get about 3-3.5 miles per kwh. Add in heat or A/C and you are below 3 miles. Using their new charging rates of .63 per kwh based on my prior time rate, you are looking at .21 per mile. Compared to current pricing, these charging stations are not cheaper than using ICE. You live at the Vatican but use EV chargers in America? |
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