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John Rumm John Rumm is offline
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Default size SWA to garage 30m away

On 11/03/2019 08:19, harry wrote:
On Sunday, 10 March 2019 13:08:19 UTC, dennis@home wrote:
On 10/03/2019 07:48, harry wrote:
On Sunday, 10 March 2019 02:15:56 UTC, Johnny B Good wrote:
On Sat, 09 Mar 2019 10:23:31 +0000, dennis@home wrote:

====snip====


25kW for motor running a car at about 35-40mph.

More like 2 to 5 KW at a steady 35 to 40mph on the level...

So five miles will use about 8 minutes at 25kW.
That is about 3.4 kWHr.

Assume 5KW consumption and 35mph. That's 8.57 minutes which works out to
some 0.7KWH's worth of energy from the battery.

You haven't allowed for energy recovery by regeneration.


Yes I have, there isn't any unless you keep slowing and stopping.
Then it takes more to accelerate back to speed.

What there is is seriously exaggerated by greens too.


How would you know?
Obviously there are no hills where you live.


What part of "steady 70 mph on a motorway" do you fail to understand?

Even if there are hills, all that will change is an increase in power
required when going up, and a reduction when coming down. At 70 mph you
will require power output at all times to maintain the speed even going
downhill, so there will be nothing to recover.


--
Cheers,

John.

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