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Automotive

11 Members
About cars. Mostly electric cars3 Servers

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31 Jan 2021
@Nebukadneza:ghostdub.deNebukadnezahuu … lemme try to do that math, sec12:09:56
@Nebukadneza:ghostdub.deNebukadnezaah, that’d be about 18.5kWh/100km, right?12:15:27
@stevieh4130:matrix.orgstevieh4130Sounds about right. It’s significantly better in summer.12:16:22
@Nebukadneza:ghostdub.deNebukadnezawith ~ 0-8°C here, mostly damp/slightly wet roads, i’m at somewhere around 17.5-18kWh / 100km (which, i think, works down to ~3.65 miles / kWh)12:16:23
@Nebukadneza:ghostdub.deNebukadnezaquite similar12:16:33
@Nebukadneza:ghostdub.deNebukadnezaheatpump here, btw … works like a charm above 0°C, but below it doesn’t seem too efficient12:16:49
@stevieh4130:matrix.orgstevieh4130Yh, both cars are fairly light considering their batteries.12:17:08
@Nebukadneza:ghostdub.deNebukadnezaluckily though — i really don’t understand that trend of building these super heavy cars at all ☹️ 12:17:30
@stevieh4130:matrix.orgstevieh4130Interesting on the below zero.12:17:39
@stevieh4130:matrix.orgstevieh4130Me neither. Just means a huge pack and more weight.12:18:04
@Nebukadneza:ghostdub.deNebukadnezayeah, i think the theoretical design-point is that it can do something useful down to a much lower temperature, but … afaik, below -5°C, it’ll start up resistor heating elements to support the heatpump12:18:46
@stevieh4130:matrix.orgstevieh4130Which isn’t good. Kinda makes it a bit pointless 😳12:19:32
@Nebukadneza:ghostdub.deNebukadnezamh, not sure12:19:39
@Nebukadneza:ghostdub.deNebukadnezai mean, you do have a heatpump too — one that’s designed to only cool, i.e., only work in one direction12:19:53
@Nebukadneza:ghostdub.deNebukadneza's called an AC 😅12:20:04
@Nebukadneza:ghostdub.deNebukadnezaand … assumption on my side here … i think that a heatpump will only get so much bigger/heavier when adding bidirectional capabilities, it probably makes sense to carry that little extra weight to have efficiency gains when the outside temperature is a range where it can be more efficient12:24:29
@stevieh4130:matrix.orgstevieh4130Agreed. Just disappointing that it has less effect when you really need it below zero. I’d much rather have one than not 😀12:42:49
@stevieh4130:matrix.orgstevieh4130So I’m guessing your in Norway? Just guessed by your username and from watching Bjorn Nyland YouTube videos 😎12:47:18
@Nebukadneza:ghostdub.deNebukadnezahaha … not really — southern germany14:28:19
@Nebukadneza:ghostdub.deNebukadnezai mean — as long as its not absolute zero at 0K, there is theoretically energy to be harvested from the air xd14:29:08
@Nebukadneza:ghostdub.deNebukadnezabtw, do you care about battery "conservation"? if so … whats your everyday strategy?14:29:47
11 Feb 2021
@Nebukadneza:ghostdub.deNebukadneza stevieh4130: Just have some interesting test data 14:19:50
@Nebukadneza:ghostdub.deNebukadnezaScreenshot_20210211-151812_CanZE.png
Download Screenshot_20210211-151812_CanZE.png
14:20:19
@Nebukadneza:ghostdub.deNebukadnezaScreenshot_20210211-151413_CanZE.png
Download Screenshot_20210211-151413_CanZE.png
14:20:20
@Nebukadneza:ghostdub.deNebukadnezaI'm just standing still somewhere and have to wait in car, with heating on14:20:40
@Nebukadneza:ghostdub.deNebukadnezaIt's on full heat pump mode, while heating up to 20°C using ~1600-1800W14:21:24
@Nebukadneza:ghostdub.deNebukadnezaAfter reaching setpoint it spins down the compressor and is at ~600-1000W14:21:56
@Nebukadneza:ghostdub.deNebukadnezaAnd pretty much stays there14:22:44
25 Feb 2021
@jmau2002:matrix.orgJean-Marc Autexier changed their display name from 1001010 to Jean-Marc Autexier.05:33:33
7 Mar 2021
@Nebukadneza:ghostdub.deNebukadnezaYou know what's nice?11:15:05

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