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  Topic: heat pumps again
jema

Replies: 3
Views: 211
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Wed Nov 30, 22 7:19 am   Subject: heat pumps again
https://www.pv-magazine.com/2022/11/30/mitsubishi-unveils-air-source-heat-pump

Interesting but not exactly domestic.
I have been thinking more and more that we are basically doomed in England at l ...
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Wed Nov 16, 22 1:08 pm   Subject: Long range EVs
It is the same with any new technology. Not too many years ago digital cameras were the same.

Mine is several years old now and has a fairly awful network interface, but I have figured at the end o ...
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Tue Nov 15, 22 7:04 am   Subject: Long range EVs


EVs are frankly brilliant,

The biggest issue I have with EVs is that they are getting better so fast that anything bought now, if you could afford it, is going to look very dated in just a coup ...
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Mon Nov 14, 22 7:19 am   Subject: Long range EVs
Lithium can apparently be extracted from seawater..but with the expense that won't be done.

That's a matter of political will. Once extracted lithium can be recycled.
Intelligence would suggest s ...
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Sun Nov 13, 22 6:39 am   Subject: Long range EVs
Someone was trying to get me to watch a youtube video claiming it would take 10,000 years to extract the lithium needed for cars
Cobalt isn't strictly needed for lithium batteries.
But as yo ...
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Sat Nov 12, 22 6:32 am   Subject: Long range EVs
I love the way with the anti EV mob that simultaneously a million tonnes needs digging to get the elements for a battery, but then somehow it will end in landfill.
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Fri Nov 11, 22 6:20 am   Subject: Long range EVs
At the end of the day these batteries for all their complexity are just chemistry and there's absolutely no reason to suppose than batteries that have now got a track record of lasting 12 years are su ...
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Wed Nov 09, 22 7:50 am   Subject: Long range EVs
The problem I see with electric vehicles is the batteries.
Am I being unreasonable to extrapolate my experience with laptop batteries on to vehicle batteries?
I could presume that they are quite a l ...
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Tue Nov 08, 22 7:20 am   Subject: Long range EVs
To be honest I thought that article and the underlying pdf was a bit sketchy.
They are talking 5.5kw chargers and not mentioning that that does not sound like something that can be on every lamppost. ...
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Sun Nov 06, 22 8:21 am   Subject: Long range EVs
I'm fairly sure that if they can install progressive internet speed infrastructure in streets over the last 25 years, that charging infrastructure is not insurmountable.

BMW are saying their next b ...
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Fri Nov 04, 22 3:07 pm   Subject: Long range EVs
Also notable is that EVs hit 17% of sales in September up 51% on the year.
That would mean dominance in under 3 more years.
That does include plugin hybrids.
  Topic: Long range EVs
jema

Replies: 32
Views: 5445
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Fri Nov 04, 22 7:57 am   Subject: Long range EVs
https://thedriven.io/2022/11/03/first-ev-with-over-800km-range-launched-with-new-qilin-battery-and-its-a-people-mover/

Apparently that#s more than the range of 99% of ICE cars.
My guess is that IC ...
  Topic: Local access point forum.
jema

Replies: 6
Views: 1866
PostForum: IT Matters   Posted: Mon Oct 24, 22 7:07 am   Subject: Local access point forum.
Probably beyond an esp32.
  Topic: BIR base gravy
jema

Replies: 5
Views: 3809
PostForum: Recipes, Preserving, Homebrewing   Posted: Wed Oct 19, 22 6:23 am   Subject: BIR base gravy
Sequel today was another saag aloo.
Plus a butter chicken done with vegan butter and cream since Jean can't do much dairy fat.
It went down really well again. It's only a little of the non tomato ba ...
  Topic: Why not have devices with a solar mode?
jema

Replies: 16
Views: 21096
PostForum: Energy Efficiency and Construction/Major Projects   Posted: Wed Oct 19, 22 6:17 am   Subject: Why not have devices with a solar mode?
Interesting seeing some that are 600 watts. Could be a good fit here.
 
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