generaltso

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it uses the friction brakes to adjust speed when the speed limit changes to a lower speed...even if only a 10 mph reduction.
How do you know it’s using the friction brakes? You can get very abrupt deceleration with regen.
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BunsOfSteel

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Ok so not to be taken rude but...
  1. You will never convince me to go the speed limit on I-5 through central California
  2. Your 4.0 mi/kwh is factually incorrect and will never happen. If it was possible the car would have a range of 352 miles which it doesn't have with only 88 kwh usable. If you are expecting this at 70mph (the speed limit) you should just cancel the order now.
  3. Different cars get different mi/kwh. I drove many times from Oakland to Sacramento with an e-Golf averaging over 4 mi/kwh. This mach-E will not get that.
  4. I purchased a GTPE to have fun with it. I didn't purchase it to get range, drive slow or save the environment. Everyone is entitled to purchase a vehicle for whatever reason they chose.
EDIT: This post was originally a reply to a troll that was "moderated into oblivion"
100% agree on central CA I-5. Thanks for the post and TIA for updates, I’ll be doing some north to south on I-5 drives with my GT so this is useful.
 

BadgerGreg

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How do you know it’s using the friction brakes? You can get very abrupt deceleration with regen.
After having driven the car for about six months, I'm getting more familiar with the difference between regen braking and friction braking. The regen braking isn't as abrupt as the friction braking. I'm not 100% sure what I'm experiencing is friction braking, but it sure feels like it.

Whether or not the ICC slowdown (speed limit change) is friction or regen, it is obviously too abrupt and needs to be reprogrammed so as to avoid having someone behind me slam into my car :)
 
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Ok so here's part #2 to the original post. Tonight I returned my nieces and nephew and took the same journey as I did Friday night. This time I had all 5 in the car going down south and only 2 adults on the return. The charging was at the same location and everything was done in the same way as Friday.

Additional information regarding BlueCruise:

Additional Con:
  • This trip made me realize how poorly BC handles expansion joints and it also made me think about other scenarios. What it comes down to is that the car over-corrects and in general over steers. Hitting an expansion joint the car steering wheel goes left, right, left, right etc. It's very disturbing and has me grabbing the wheel at every bridge.
  • I noticed this same behavior when taking fly-ways. The start of the fly-way the car appears to want to go straight, then jolts to the direction of the fly-way so much so that it has to correct itself, then correct that. (i.e. NB I-5/580 connector - I-5 to I-5 right swoop)
To address @duneii question here - Slowing down to the posted speed limit did not help. I created a video of this below.

To address @generaltso question here - The setting does not affect the reading of signs. Even in construction zones the car changed the little speed sign on the drivers display. So even though the setting is worded poorly, in my opinion, it is just for the BC system.

For everyone who wanted to see the disengagement here's a video of that. Notice how there's no audible cue and it tells me to control the car at the very start of the corner.

*If the video won't play click the pop-out icon in the top right corner*

For those interested here's a Plug and Charge Demonstration:

*If the video won't play click the pop-out icon in the top right corner*

Additional information regarding range:

Point A (Start/End) Elevation 125 ft
Point B (Drop off) Elevation 118 ft

Temp Leaving 69
Temp When Returned 60

Winds 3mph out of the West (this was a N/S - S/N route)

BC Set to 75 for ~40 miles of each leg
BC Set to 80 for ~60 miles of each leg

Departure Time: 5:50PM
Starting Charge 100%
Midpoint Charge 47%
Headlights/taillights on for 1hr 20 minutes
5 Occupants
2.4mi/kwh per the car

Departure Time: 9:27PM
DCFC Charge to 80%
Arrival Charge 20%
Headlights/taillights on for 2hr 10 minutes
2 Occupants
2.5mi/kwh per the car

Per the above it's obvious that the car is doing some fuzzy math.

Starting Range Per the Car (factory reset/default values):
PXL_20211011_005002179.jpg


What BC Looks Like Engaged:
PXL_20211011_010443490.MP.jpg


North To South @ Charger:
PXL_20211011_040552052.jpg


South To North (Returned Home):
PXL_20211011_064403473.jpg
 
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ncaadam

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The speed 6% is far too relatable 😃
 
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The speed 6% is far too relatable 😃
Yeah I know right ... and in the first picture at the charger the acceleration and deceleration must be a bug because there's no way that freeway driving with no traffic resulted in that.
 

phidauex

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After having driven the car for about six months, I'm getting more familiar with the difference between regen braking and friction braking. The regen braking isn't as abrupt as the friction braking. I'm not 100% sure what I'm experiencing is friction braking, but it sure feels like it.

Whether or not the ICC slowdown (speed limit change) is friction or regen, it is obviously too abrupt and needs to be reprogrammed so as to avoid having someone behind me slam into my car :)
The manual notes that the vehicle following distance setting (1 to 4 blue bars) not only changes the following distance, but also changes how quickly the car will slow down or speed up in response to changes in speed limit. Going from 1 bar to 2 or 3 might make the response to a lower speed limit be a little more gentle.

Personally I haven't noticed any friction braking on speed limit changes (though usually it is just a 10mph step, and I'm usually on "2 bars" following distance). On my AWD, friction brakes don't engage until the required regen power exceeds 100kW or so, which rarely happens (monitored with CarScanner).
 

lweisenthal

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My experience with range - Less than desirable
On *many* 120 mile round trips with 1200 ft net elevation increase going out and 1200 ft decrease coming home, I averaged 3.7 - 3.9 M/KWH going uphill and 4.1 - 4.3 M/KWH going downhill.

Secret? Adaptive cruise set to 65 MPH. Let the car drive itself.

Had you done the same, I rather think you wouldn't have had to make a stop to charge. I'll let you be the judge.

For the past 42 years, I'd been a typical aggressive So Cal driver. Continous lane changes to find open road; 80 MPH on the freeway.

But I vastly prefer now simply staying in the 2nd lane from the right, letting the car drive itself at 65 MPH (where I trust the auto cruise more than I would at 80; therefore less stressed). On the 60 mile legs of the 120 mile round trip, I probably arrive all of 7 minutes later, staying relaxed, while the car drives itself at 65. On certain longer trips, I'd probably break even -- slower driving speed, but fewer charge stops.

Plus, with much better "mileage," my electric bill is lower.

What's not to like?

P.S. I've got a RWD Premium with the smaller (68 KWH) battery. So my car is lighter than yours, which may help, also. But my range is consistently > 260 miles, accelerating gently and setting my cruise at 65.

- Larry Weisenthal/Huntington Beach
 

lweisenthal

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Since you're in California I assume you've driven I-5 from Bakers to Sac at one point in life. Anything under 80 on that 4 hour stretch is asking for trouble.
Oh, I agree. On the two lane (each way) sections of that road, you'll have the big trucks tailgating you when you go 70. Big trouble if you try going only 65. My earlier report was on the 22-91-215 (hilly, curvy, 6 lanes each direction) route from Orange County to the Inland Empire, where it's actually possible to set the cruise at 65 in the "slow" lanes.

- Larry Weisenthal/Huntington Beach
 
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On *many* 120 mile round trips with 1200 ft net elevation increase going out and 1200 ft decrease coming home, I averaged 3.7 - 3.9 M/KWH going uphill and 4.1 - 4.3 M/KWH going downhill.
Larry,

Here's the difference... you have a vehicle that is a lot lighter, has a smaller battery, and has one less motor than I have. Additionally, my vehicle is "tuned" for optimal power, not for optimal range. It has performance tires, bigger rims, a different suspension that weighs more, heavier rotors/brakes and the list goes on. I can reset the range to factory default and drive 55 for 10 miles on cruise control and not get into the 3.0 mi/kwh range at all.

The reason I say I'm disappointed with the range is because Ford advertises 250-260 for the GTPE, and there's no way that's happening unless there's some update that I haven't got. I can get in the range of 220-230 but pushing more than that and the car wouldn't be driven like it's supposed to be.

Here's a review by another member of his GTPE on a 1100 mile road trip. He averages 2.4-2.5 (very similar to my averages) in the car while alone: https://www.macheforum.com/site/threads/gt-pe-1100-mile-road-trip.9540/

You have a different beast than I do. My review is specifically for the GT Performance Edition model.

However, if you are actually getting those numbers consider yourself lucky. I've read, and seen, a number of reviews at 10k miles of ownership claiming 2.5-2.7 on the highway. Most EV sites claim the "real" mi/kwh is in the 2's. But of course, there are multiple trim levels and you happen to have one of, it not, the lightest possible version.

where it's actually possible to set the cruise at 65 in the "slow" lanes.
I go to Newport all the time ... If you see a Dark Matter Gray GT waving at you from the "fast" lane you know it's me. Be sure to keep that bright yellow shirt on so I can spot you! :D
 
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120ea x 3



Per windy, the wind was the same mph from the west (4pm vs 7pm). I traveled N-S and S-N on I-5 and HWY 99. It's possible it was wind, but I'm not too convinced.



Speed was the same both ways (BC set to 80), there was more traffic going down so possibly a slight gain for lower speeds while in traffic. Climate use according to the car was 1% on the way home and 6% on my way there.

Per the logs... 40kw used to get there 51kw to get back.
I'm not surprised. Driving on I-5 at 80mph I had 2.5mi/kWh in one direction and about 1.8kWh on return trip with just two adults in the car. The elevation change was not significant, the wind is hard to know, though I think the return trip had some headwind. It doesn't take much to affect the efficiency of an electric car.
 

GoGoGadgetMachE

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I'm not surprised. Driving on I-5 at 80mph I had 2.5mi/kWh in one direction and about 1.8kWh on return trip with just two adults in the car. The elevation change was not significant, the wind is hard to know, though I think the return trip had some headwind. It doesn't take much to affect the efficiency of an electric car.
one reasonable (*) complaint folks coming from other EVs/PHEVs is that usually the instrument panel will coach you in some way to help you drive more efficiently should you care, and other than the driving coach in Journeys, and the trip computer in Sync, there's nothing to help like that on the Mach-E, certainly nothing real-time. For the "normal driver new to EVs" that a lot of us think Ford was targeting, that's okay, but for folks that are used to that guidance, not having it is unfortunate.

I know I have wished for it at times, although to be completely honest, in the Fusion I cared more, since it was a practical family sedan and not a Mustang, and the battery was PHEV-sized. 😉

(*) I'm being judgmental, but folks here should be used to that by now 😜
 
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but for folks that are used to that guidance, not having it is unfortunate.
I agree 100%!!! I wish that there was at very least a real time mi/kwh stat. I never used the guide systems in previous EVs because it really wasn't necessary. If you have just the mi/kwh you can see how different things will affect the range and that's all I really need to see.
 

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I agree 100%!!! I wish that there was at very least a real time mi/kwh stat. I never used the guide systems in previous EVs because it really wasn't necessary. If you have just the mi/kwh you can see how different things will affect the range and that's all I really need to see.
yeah, even that would be something.

The Fusion had the Ford standard dual-LCD-with-speed-in-middle layout, and the left side had four different radial graph choices for real-time monitoring as well as a short-term coach... if you cared, you could really drive it super efficiently with the car's guidance....

1634000871934.png


Although if you drove it "perfectly" in the city, you'd piss off everyone else for a..c...c...e...l..e..r...a...t..i...n....g sooooooooooooooooo sllllllllloooooooowwwwwwwwllllyyyyy... 🐢
 
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