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SORN
by OldSkrote - 31/07/25 02:07 PM
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New
by Rex_tulips - 30/07/25 07:59 PM
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Forums34
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Aug 24th, 2023
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Joined: Sep 2007
Posts: 1,646 Likes: 1
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Sep 2007
Posts: 1,646 Likes: 1 |
At home I have a 100A fused supply, 11kw charge unit that charges at approx. 20 mph.
I also have a 9.9KW solar array with battery back up.
In the winter I charge the car using E7 overnight. In the summer months I will utilise more of the solar energy generated.
Aero 8 GTN. #10
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Joined: Nov 2015
Posts: 490
Learner Plates Off!
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Learner Plates Off!
Joined: Nov 2015
Posts: 490 |
At home I have a 100A fused supply, 11kw charge unit that charges at approx. 20 mph. I bet you have a problem plugging it in. 
"Hasta la victoria siempre"
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Joined: Apr 2014
Posts: 6,830 Likes: 59
Talk Morgan Sage
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Talk Morgan Sage
Joined: Apr 2014
Posts: 6,830 Likes: 59 |
It is more efficient to transmit high voltage DC than high voltage AC. Why are the overhead lines on the railway AC instead of DC, then?
Best Regards
Lang may yer lum reek
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Joined: Aug 2013
Posts: 15,794 Likes: 14
Formerly known as Aldermog Member of the Inner Circle
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Formerly known as Aldermog Member of the Inner Circle
Joined: Aug 2013
Posts: 15,794 Likes: 14 |
100A means that at 240V you could in theory charge at 24KW,
On a sunny day I add another 3.5 to 4 KW from the PV panels!! Electric vehicles, charged at home, make much sense as a second car or local runabout. But for anything over a hundred miles or so then petrol, or petrol hybrid and for regular long distance use, diesel, remain the logical choices. Thanks to the smart meter I see that we used 366KW this month, or about 30KW a day. Charging a car regularly would be a noticeable increase, unless done during a sunny day.
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Apr 2014
Posts: 3,547 Likes: 4
Talk Morgan Addict
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Talk Morgan Addict
Joined: Apr 2014
Posts: 3,547 Likes: 4 |
What have you left on Peter? We run to about 20kw per day combined gas and leccy
Mark - No Longer driving Archie the Old English Sheep Mog........... 2010 Roadster 3.0 V6 (S3) 
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Joined: Mar 2009
Posts: 11,221 Likes: 159
Smile, it confuses them Member of the Inner Circle
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Smile, it confuses them Member of the Inner Circle
Joined: Mar 2009
Posts: 11,221 Likes: 159 |
Its all the polishing of the +8, those machine tools can eat watts.
Everyone loves a Morgan. Even me, unless it's broken again.
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Joined: Aug 2013
Posts: 15,794 Likes: 14
Formerly known as Aldermog Member of the Inner Circle
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Formerly known as Aldermog Member of the Inner Circle
Joined: Aug 2013
Posts: 15,794 Likes: 14 |
What have you left on Peter? We run to about 20kw per day combined gas and leccy Both of us work from home, a bigger house, heating at 21C day, 18C at night, Server, 3 routers, and UPS, usually 2 PCs and 2 printers, HiFi and TV on standby, QUAD ELS 63 always on. And the electric Aga....Combined gas and electricity about 120KW a day.... All lights are now LEDs. Yes, it could be less. In April the server and UPS goes. But in the end it is the way we live.
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Apr 2015
Posts: 18
New to Talk Morgan
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New to Talk Morgan
Joined: Apr 2015
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Just a few figures from my own experience.
Recently got an i3 which is probably one of the more efficient electric cars. In warmer weather acieved about 4.2m/kWh and with temperatures around freezing about 3.8m/kWh. Reduction mainly due to increased battery resistance at cold temperatures and more energy used for car heating.
Biggest inefficiency, which most people tend to forget, is the battery storage efficiency which I calculate is about 80% for this car based on the reported energy used and the amount needed to recharge.
With home charging, rate is restricted to 7kW with a single phase supply. For three phase then rate increases to 22kW. Rapid charge is up to 50kW but this uses DC charge with the AC/DC conversion done in the charging station and not in the car.
Samller battery / range than the Tesla but more affordable and narrow enough to drive up the road to my house.
John.
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