I-Pace range

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anorak
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Re: I-Pace range

Post by anorak » Sat Feb 09, 2019 10:15 am

I haven't read it thoroughly yet but I am shocked by the effect of the HVAC, especially in the cold to heat the cabins.

An average 41% reduction in range across the cars with the heaters on in cold temperatures. The i3 and Bolt fared particularly badly - over 50% loss of range in the BMW, which is terrible considering it has the more efficient heat pump system.

The cold testing was particularly cold by UK standards (20F, -7C) but certainly not unusual for a lot of North European or US winters!

Surprisingly (having owned one) the LEAF was least affected by temperature, either with HVAC on or off.

My conclusion; (nothing new) wear warmer clothes and leave the heater off if range is tight. Especially in a BMW BEV.

I'll turn the seats and steering wheel on instead I think..
I Pace EV400 S, Caesium blue, Oyster leather, 18" wheels, MY19, delivered 01/2019
IMC: S19A_19.20.4-363281 || Telematics: 14.2


oop north
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Re: I-Pace range

Post by oop north » Sat Feb 09, 2019 10:27 am

Did the i3 tester definitely have the heat pump? It was an option on the BEVs and not available on the REX - mine didn’t have it, and I had to wrap up well and not use the heater to go 80 miles in winter without using petrol
it’s here! Arrived 29.04.19, HSE, MY20, Caesium Blue, tan interior, black bits


Chewy
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Re: I-Pace range

Post by Chewy » Sat Feb 09, 2019 10:43 am

oop north wrote:
Sat Feb 09, 2019 10:27 am
Did the i3 tester definitely have the heat pump? It was an option on the BEVs and not available on the REX - mine didn’t have it, and I had to wrap up well and not use the heater to go 80 miles in winter without using petrol
Same for me. I used to lose at least 30% range in cold weather in the i3 REX. I am one for a comfortable cabin so always run with HVAC set to 22 degC.
Caesium Blue S. 18” Wheels.
250+ miles range driven in the winter.
300+ miles range driven in the summer.
S19A-07, H228


oop north
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Re: I-Pace range

Post by oop north » Sat Feb 09, 2019 11:08 am

Chewy wrote:
Sat Feb 09, 2019 10:43 am
oop north wrote:
Sat Feb 09, 2019 10:27 am
Did the i3 tester definitely have the heat pump? It was an option on the BEVs and not available on the REX - mine didn’t have it, and I had to wrap up well and not use the heater to go 80 miles in winter without using petrol
Same for me. I used to lose at least 30% range in cold weather in the i3 REX. I am one for a comfortable cabin so always run with HVAC set to 22 degC.
I am looking forward to my iPace (due April / May) having enough range so I can use the heater :)
it’s here! Arrived 29.04.19, HSE, MY20, Caesium Blue, tan interior, black bits


jason.birchall
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Re: I-Pace range

Post by jason.birchall » Sat Feb 09, 2019 11:56 am

Does anyone have the information that informs why range increases when Aircon is turned on and decreases when turned off? Also has anyone proven a difference in range and consumption with actual testing?
IPace model S
White, Pano Roof, Black 20 inch wheels, black pack.
Looks and drives great, but is really unreliable.


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anorak
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Re: I-Pace range

Post by anorak » Sat Feb 09, 2019 12:12 pm

jason.birchall wrote:
Sat Feb 09, 2019 11:56 am
Does anyone have the information that informs why range increases when Aircon is turned on and decreases when turned off? Also has anyone proven a difference in range and consumption with actual testing?
Can't say I've ever had the range estimate increase when the A/C is turned on in any of my EVs?

The AAA report linked on the previous page of this thread is based on actual testing. It's all done on a dynamometer in a controlled temperature environment rather than on the road. I imagine there would be just too many variables with road testing to give accurate comparisons between different car models (wind, elevation, humidity, driver input etc.).

I haven't had the i-Pace for long enough yet (perhaps others can comment) but the results for the LEAF are pretty much spot on with my experience over the course of a year.
I Pace EV400 S, Caesium blue, Oyster leather, 18" wheels, MY19, delivered 01/2019
IMC: S19A_19.20.4-363281 || Telematics: 14.2


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J_W
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Re: I-Pace range

Post by J_W » Sat Feb 09, 2019 12:30 pm

AC On = Heat Pump On = more Range
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Baikar
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Re: I-Pace range

Post by Baikar » Sat Feb 09, 2019 12:48 pm

So what is our conclusion for range in the I Pace?
Leave A/C on but turn the temperature down to say 15c

Or

Turn climate off completely?


jason.birchall
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Re: I-Pace range

Post by jason.birchall » Sat Feb 09, 2019 12:50 pm

anorak wrote:
Sat Feb 09, 2019 12:12 pm
jason.birchall wrote:
Sat Feb 09, 2019 11:56 am
Does anyone have the information that informs why range increases when Aircon is turned on and decreases when turned off? Also has anyone proven a difference in range and consumption with actual testing?
Can't say I've ever had the range estimate increase when the A/C is turned on in any of my EVs?

The AAA report linked on the previous page of this thread is based on actual testing. It's all done on a dynamometer in a controlled temperature environment rather than on the road. I imagine there would be just too many variables with road testing to give accurate comparisons between different car models (wind, elevation, humidity, driver input etc.).

I haven't had the i-Pace for long enough yet (perhaps others can comment) but the results for the LEAF are pretty much spot on with my experience over the course of a year.
Thanks for the response. Our range on the GOM changes by 10 to 20 miles when we toggle Aircon, would be interesting to understand the rules/logic behind this estimation.
IPace model S
White, Pano Roof, Black 20 inch wheels, black pack.
Looks and drives great, but is really unreliable.


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anorak
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Re: I-Pace range

Post by anorak » Sat Feb 09, 2019 6:00 pm

oop north wrote:
Sat Feb 09, 2019 10:27 am
Did the i3 tester definitely have the heat pump? It was an option on the BEVs and not available on the REX - mine didn’t have it, and I had to wrap up well and not use the heater to go 80 miles in winter without using petrol
The methodology section on page 32 lists the i3s and LEAF as having heat pump systems and the Bolt, Tesla and Golf as having resistive type heaters.

That's why I was so surprised by the BMW's result. Presumably the i3 without a heat pump is even more adversely affected?
I Pace EV400 S, Caesium blue, Oyster leather, 18" wheels, MY19, delivered 01/2019
IMC: S19A_19.20.4-363281 || Telematics: 14.2


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