Would coasting improve range?

[ExCivilian]

The 1 pedal mode being more efficient mode of travel compared to coasting claim has been extensively tested and debunked as many times as it’s stated.

regeneration doesn’t produce energy. it, at best, can only reclaim energy spent. This isn’t even worth debating at this point—it’s not an opinion and there are enough self-identified engineers in this community that this really shouldn’t even come up in the threads anymore.

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[RickLightning]

there are enough self-identified engineers in this community that this really shouldn’t even come up in the threads anymore.

You must be new here and in forums in general...

 

[hturnerfamily]

all things being equal, the laws of physics says that there can be no difference between regen, one-pedal, normal, or neutral, when it comes to what is more 'efficient' and might put more 'range' back into your battery...

what IS different, though, is how YOU perceive what is more comfortable to your driving character - some will love one-pedal, since they drive with their foot on the pedal all the time, but many of us will prefer 'normal' mode, where releasing the pedal and 'coasting' is more normal - some will even switch into Neutral, just for kicks...and then there is the other regen modes available within 'Towing' mode and 'Sport/Power' mode, etc... all have their own niche characteristics.

 

[chillaban]

If you’re wastefully speeding up and slowing down on 1 pedal mode, it is less efficient, but not to a huge extent compared to the energy it takes to push your 6200lb pickup truck through the air. If it gets to the point that it matters, please supply plenty of Dramamine for your passengers.

Does anyone know if the F-150 really has a neutral? Usually Neutral on an EV is a fake software concept where torque is commanded to zero. You can’t free-spin a PM motor and not really for an induction motor either without generating hundreds of volts. The only way to really do neutral is to mechanically disconnect the motors from the wheels. Again, the energy difference would be negligible compared to the drag of a pickup truck.

 

[sotek2345]

If you’re wastefully speeding up and slowing down on 1 pedal mode, it is less efficient, but not to a huge extent compared to the energy it takes to push your 6200lb pickup truck through the air. If it gets to the point that it matters, please supply plenty of Dramamine for your passengers.

Does anyone know if the F-150 really has a neutral? Usually Neutral on an EV is a fake software concept where torque is commanded to zero. You can’t free-spin a PM motor and not really for an induction motor either without generating hundreds of volts. The only way to really do neutral is to mechanically disconnect the motors from the wheels. Again, the energy difference would be negligible compared to the drag of a pickup truck.

No, the Lightning does not have a mechanism to disconnect the drive motors. Neutral is software controlled as you described.

 

[BigNerd]

I like coasting due to foot fatigue just how I like hold mode (in an ICE) or 1PD at a stoplight.

Maybe instead of regen paddles (like on Hyundai/Kias), there should be a coast paddle.

 

[RickLightning]

I like coasting due to foot fatigue just how I like hold mode (in an ICE) or 1PD at a stoplight.

Maybe instead of regen paddles (like on Hyundai/Kias), there should be a coast paddle.

Wouldn't that fatigue your fingers?

#UseCruise

 

[BigNerd]

Wouldn't that fatigue your fingers?

Depends on the implementation. I was thinking toggle on/off coast... not hold it down.

 

[chillaban]

Honestly if you have pedal fatigue, I find the two pedal driving on the Lightning to be fairly excellent. The brake pedal has smooth travel and after a day of practice I consistently get 97% or above on the braking coach. You're not losing out on much efficiency compared to 1 pedal driving if you don't like resting your foot on the pedal to cruise.

 

[FirstF150InCasco]

all things being equal, the laws of physics says that there can be no difference between regen, one-pedal, normal, or neutral, when it comes to what is more 'efficient' and might put more 'range' back into your battery...

what IS different, though, is how YOU perceive what is more comfortable to your driving character - some will love one-pedal, since they drive with their foot on the pedal all the time, but many of us will prefer 'normal' mode, where releasing the pedal and 'coasting' is more normal - some will even switch into Neutral, just for kicks...and then there is the other regen modes available within 'Towing' mode and 'Sport/Power' mode, etc... all have their own niche characteristics.

Love your comment, in particular this phrase: "what IS different, though, is how YOU perceive what is more comfortable to your driving character - some will love one-pedal, since they drive with their foot on the pedal all the time, but many of us will prefer 'normal' mode, where releasing the pedal and 'coasting' is more normal.."

 

[greenne]

I turned off 1-pedal drive. Even when you're coasting, the display indicates that it is regenerating power to the battery, and the blended brakes will also regen as long as you don't put too much pressure on the brake pedal. I consistently get 99 or 100% on my brake score. My mi/kWh never changed either.

I think 1-pedal drive is a non factor on vehicles with blended brakes.

This 100%^^

To me one-pedal seems like a lot of trouble(finding the sweet spot on the accel pedal) for no or minimal additional regen. Seems like a much smoother ride to coast then lightly regen using blended brakes.

 

[greenne]

The 1 pedal mode being more efficient mode of travel compared to coasting claim has been extensively tested and debunked as many times as it’s stated.

regeneration doesn’t produce energy. it, at best, can only reclaim energy spent. This isn’t even worth debating at this point—it’s not an opinion and there are enough self-identified engineers in this community that this really shouldn’t even come up in the threads anymore.

It keeps getting recycled because the braking system in the Lightning is a blended braking system whereas the Tesla is not. It is my understanding the only way to get decent regen in the Tesla is to enable 1-pedal. Otherwise you are using friction brakes to slow down.

In the Lightning the 1-pedal OR using the brake pedal gets you the same result as long as you are not heavy on the brakes.

 

[greenne]

all things being equal, the laws of physics says that there can be no difference between regen, one-pedal, normal, or neutral, when it comes to what is more 'efficient' and might put more 'range' back into your battery...

what IS different, though, is how YOU perceive what is more comfortable to your driving character - some will love one-pedal, since they drive with their foot on the pedal all the time, but many of us will prefer 'normal' mode, where releasing the pedal and 'coasting' is more normal - some will even switch into Neutral, just for kicks...and then there is the other regen modes available within 'Towing' mode and 'Sport/Power' mode, etc... all have their own niche characteristics.

Well actually there are transition losses if you are constantly using energy(acceleration) and then generating energy(deceleration).

How much of a factor I don't know...but no system is 100% efficient....

 

[ExCivilian]

Well actually there are transition losses if you are constantly using energy(acceleration) and then generating energy(deceleration).

How much of a factor I don't know...but no system is 100% efficient....

This is what I was alluding to. Just a technicality in a theoretical world I agree though

 

[Skidrowe]

Some responses here make my head hurt. Others capture the subtleties of energy lost through the processes of transferring energy from one form to another. Potential engergy - your truck at the top of a hill. Kinetic energy - your heavy truck at a specific speed. Chemical energy - the state of charge of your battery. Thermal energy - the warmth in your tires and road after the two surfaces interact with each other. You're always transferring energy from one of these forms to another and some is lost in the process to another form of energy you can't or don't capture with the ability to reuse.

Blended braking makes the differences in transference methodologies based on your specific use case so small that you should use whatever makes driving more comfortable and safe for you.

I'm a 2-pedal driver and a fan of what blended braking introduces (and doesn't) to my driving style.

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