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Well there is a few reason really.Does anyone know why the LFP Model Y RWD acceleration is so slow compared to other models? Is it software limited, if so does anyone know why? I own this model and it is slow until you got 30+kph and then it picks up dramatically.
Thanks for the response. Makes sense, just thought it was odd that once it hits a certain speed the famous Tesla acceleration becomes very noticeable, really takes off. My thought was why at 0 to 30km/h was it not the same. Perhaps I’m not familiar with the limitations of battery technology.Well there is a few reason really.
* First of all is a Model Y with just one rear motor only
* LFP battery pack equipped Tesla is a bit slower VS Tesla with a equipped NCA battery pack.
2021/2022 Tesla Model 3 SR+ 0-100 is 6.1 seconds
VS
2017/2020 Tesla Model 3 SR+ 0-100 is 5.6 seconds
* 0-60 times varies depends on at the time battery charge level, road conditions, wind, tires, weight of the car (with or without cargos)
any one of these reason can hinder the speed.
But wouldn’t that mean the acceleration would be the same no matter what speed? The difference between 0-30km/h and 30-80km/h is substantial.LFP batteries are lower energy density so it's just simple physics.. it has less power so will be slower.
I notice the car 0-60 is more responsive and noticeable is not just stomping on the accelerator but instead heel to toes press. Not sure if that make any sense lolThanks for the response. Makes sense, just thought it was odd that once it hits a certain speed the famous Tesla acceleration becomes very noticeable, really takes off. My thought was why at 0 to 30km/h was it not the same. Perhaps I’m not familiar with the limitations of battery technology.
It takes a lot more energy/power to move a car that is standing still. That’s probably why the boost once it’s actually in motion. Again, plain physics. Something like when most electric scooters need the initial pushBut wouldn’t that mean the acceleration would be the same no matter what speed? The difference between 0-30km/h and 30-80km/h is substantial.
Yeah, that makes sense. Cheers.It takes a lot more energy/power to move a car that is standing still. That’s probably why the boost once it’s actually in motion. Again, plain physics. Something like when most electric scooters need the initial push
Tbh that’s what I was more leaning towards. All the teslas I know have an insane acceleration from 0 onwards, this would be the first model I have heard that only starts going hard after it reaches a certain speed. Software limiting the acceleration would make more sense, I don’t know if it’s to protect the LFP or a choice to differentiate the RWD from long range and performance.The acceleration will be at its peak when the motor torque is at peak (1 gear). For the Teslas, the acceleration tends to be flat (and at peak) from 0 to 45 MPH or so. At this point, the motor(s) are power limited, not torque limited, and the acceleration slowly drops off as speed is further increased. There are many draggy graphs on this site that show this. If the car doesn't accelerate as hard from 0-30 as it does from 30-60, it's software, not physics limiting it.
Just a quick point of clarification, the 2018-2019 (maybe even more recent) Tesla Model 3 SR+ was 0-100 in 5.3 seconds, before Tesla downgraded those numbers on their website.* LFP battery pack equipped Tesla is a bit slower VS Tesla with a equipped NCA battery pack.
2021/2022 Tesla Model 3 SR+ 0-100 is 6.1 seconds
VS
2017/2020 Tesla Model 3 SR+ 0-100 is 5.6 seconds
To add on to that.. my Model Y Standard Range does 0-100km (60mph) in 5.3 seconds. Why is that important? Because it weighs about 350lbs MORE than the M3SR+ and still produces exactly equal acceleration. Seems like the motor is capable of much more acceleration.. so its either battery or software holding back the MYSR LFP acceleration to 6.9 seconds.Just a quick point of clarification, the 2018-2019 (maybe even more recent) Tesla Model 3 SR+ was 0-100 in 5.3 seconds, before Tesla downgraded those numbers on their website.
That's backwards. Power is speed times force (or in rotational units, rpm times torque). So getting any given amount of acceleration takes more energy starting at higher speed. As MY-Y said above, most Teslas are torque-limited up to maybe 45 mph, and above that they're producing the maximum power they can, so the torque goes down linearly with speed.It takes a lot more energy/power to move a car that is standing still. That’s probably why the boost once it’s actually in motion. Again, plain physics. Something like when most electric scooters need the initial push
Energy density has nothing to do with power. Energy (kWh) != power (kW).LFP batteries are lower energy density so it's just simple physics.. it has less power so will be slower.
Simple answer to you, it probably is a software limited. I'm living in the other parts of the world where LFP is dominating the market, there are more SR (LFP) than LR Y in the market. I have a 2021 SR Y which in the spec sheet said 0-100 is 5.6sec vs LR is 5.0. People here think that there is almost no difference between the performance and range (455km vs 523), charge to 100% vs 90% most of the time. However, Tesla also noticed it and tuned the no. down to 6.9sec for SR in 2022. That said, it is a software limited but not any physics or any other technical reason.Does anyone know why the LFP Model Y RWD acceleration is so slow compared to other models? Is it software limited, if so does anyone know why? I own this model and it is slow until you got 30+kph and then it picks up dramatically.