REGENERATIVE BRAKING

[son of a ..sven]

Well, in Tesla's case they're hard into the one pedal driving cult and that you should almost never use the brake pedal. To the point that they don't even have blended (regen + friction) on the brake pedal; that activates the friction brakes only.

There is not "should almost never use the brake pedal"...it's that you don't have to use the brake pedal if you have set the "stopping mode in HOLD"

Sponsored

 

[BLachance75]

If there isn't someone behind me, I will use L to slow down on my daily commute when approaching stop lights or stop signs. If I time it right I can come to almost a complete stop at the light and only have to put my foot on the brake at the very end to completely stop.

 

[Darnon]

There is not "should almost never use the brake pedal"...it's that you don't have to use the bake pedal if you have set the "stopping mode in HOLD"

Because they don't have blended breaking using the brake pedal wastes energy since it doesn't trigger any regen especially if you have one pedal driving off or low.

 

[son of a ..sven]

my point is on a Tesla, in hold mode, the regen is so strong that some people only have to use the brake pedal when trying to come to a very quick stop..There are two other setting, weak and weaker..so to speak.

 

[TyPope]

Because they don't have blended breaking using the brake pedal wastes energy since it doesn't trigger any regen especially if you have one pedal driving off or low.

That's not right. It definitely uses regen if I hit the brakes. Now, if I hit the brakes hard, it definitely goes into friction brake mode. But, it's blended. You can change how much it's blended and if the battery is all the way full or it's icy out, regen is automatically minimized.

 

[MetalsGeek]

The motor/generators in the Maverick hybrid are not quite large enough to operate the vehicle in normal traffic. An engine start is required to keep up with everyone else when the traffic signal goes green, but once you are at speed, the electric drive will sustain a cruise up to 55 MPH on level ground. Regenerative braking is similarly constrained to milder rates of slowing and ceases to be effective at very low speeds, so the friction brakes are definitely required to bring the vehicle to a full stop. If you drive gently, the brake pads might last the life of the truck, I think. One characteristic Ford put into the hybrid is that it will use quite a lot of regen braking to limit downhill speed so you need not touch the brakes on most hills, although the effect is identical.
One safety issue I expect to see addressed by NHTSA moving forward is operation of the brake lights in situations like this. Many vehicles that slow with regen braking fail to illuminate the stop lights, increasing risk of a rear-ender. Aside from the hill braking I mentioned, many other situations like intelligent cruise control can have a similar effect. I would expect the gov to soon mandate brake lights illuminating when a vehicle slows more than X meters/sec/sec when compared to a frictionless vehicle on the same grade. If I were dictator, that seems like a good idea to increase safety, which is what NHTSA is all about.

 

[Darnon]

That's not right. It definitely uses regen if I hit the brakes. Now, if I hit the brakes hard, it definitely goes into friction brake mode. But, it's blended. You can change how much it's blended and if the battery is all the way full or it's icy out, regen is automatically minimized.

Looks like Tesla has only recently added an option for blended braking like within the last year or so. But it also sounds like that's only for the computer to automatically apply friction brakes in situations where the regen is inhibited such as a full or cold battery? Hitting the brake pedal is still all brake pads.

 

[TyPope]

Looks like Tesla has only recently added an option for blended braking like within the last year or so. But it also sounds like that's only for the computer to automatically apply friction brakes in situations where the regen is inhibited such as a full or cold battery? Hitting the brake pedal is still all brake pads.

I suppose when I hit my brakes (and can see the regen green bar), it seems like my brake pedal is enabling a stronger regen when in reality, I'm simply adding friction braking to the regen that the car is already engaging making it seem like my brake pedal is doing regen.

Either way, it's seamless to the driver and very well executed.

 

[RobN]

The issue is, there is no official standard in the US for how brake lights ought to work with regenerative braking, and for a long time EU had the dumbest standard imaginable (no brake lights ever for regenerative braking).

YouTube video below covers some of the technical concerns, including why inertia-based brake lights are a good alternative with some issues of their own. (I am not affiliated with that YouTube channel and don't benefit in any way by anyone following the link.)

 

[son of a ..sven]

I suppose when I hit my brakes (and can see the regen green bar), it seems like my brake pedal is enabling a stronger regen when in reality, I'm simply adding friction braking to the regen that the car is already engaging making it seem like my brake pedal is doing regen.

Either way, it's seamless to the driver and very well executed.

Interesting..my 2021 Model 3 feels exactly how it did 2 years ago as far as breaks...checking with the rabid "fan boys "now on the Tesla Motors Club site..gee, will I be moved to the "no politics" thread for this?

 

[Superdog3657]

I've only had my Hybrid a few weeks and have only driven in normal mode , so far the I have not noticed any grabby brakes and regenerative braking seem smooth I don't really notice the transition between regenerative and hydraulic brakes. I did notice that my rotors don't show much use for the 350 miles I've driven , I'm actually concerned about rust on the rotors so I press a little heavier on the brake pedal than I have to just to wear in the pads and rotor , the braking is still smooth but I don't always get 100% recharge.

 

[Superdog3657]

People who have never driven a hybrid need to understand: When you press the break pedal it is almost always doing regenerative breaking until the very end or unless you press the pedal down really hard. Most of this conversation is about how the car behaves when you lift your foot off of the gas.

Aside from the gas savings, hybrids are great for your break pads. My wife's first Prius got well over 90K miles on its first set of pads and her current Prius is on its original brakes at 60K and going strong.

This is my 1st hybrid and your right , I don't notice any regenerative braking until I touch the break pedal and it don't take much pressure to stop and get 100% regenerative charge.

 

[TyPope]

Interesting..my 2021 Model 3 feels exactly how it did 2 years ago as far as breaks...checking with the rabid "fan boys "now on the Tesla Motors Club site..gee, will I be moved to the "no politics" thread for this?

*brakes

 

[son of a ..sven]

*brakes

ok..oops..give me a break on it, ok?

 

[hdave]

I tested with my friend last night and can confirm that brake lights do not come on when I let off the gas and it goes into regenerative braking.

My old Lexus CT, and the Prius also do this.
BUT, both of those apply very little regenerative braking, so it feels similar to letting off the gas pedal and letting the engine slow you down.
The Maverick on the other hand applies more regenerative braking pressure to the point of simulating actual braking.

Sponsored