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0 to 60 times and setup

you're not in valet mode by chance are you? But i agree with others. Video Record it

No sir. :)
Haven't yet even tried valet - too early to gain that comfort with others on this cute car.

Although I charged to near full today - 295miles and repeated experiment on same location. I got 4.8s, 5.2s and 5.8s.
Next, will try with help of Tesla service in few days and with accurate device.

Unless service centers finds and cant fix something, there is NO need of concern I feel.
 

Twiglett

Single pedal driver
Oct 3, 2014
3,218
3,455
Austin
Can’t see how you can hope to be accurate with manual timing.
All of the variation is going to be with your manual process and not the car (or any car)
If accuracy is important - and as we are talking .1 of a second differences I’m assuming it is, then the only option is buying hardware to do the timing.
 

voip-ninja

Give me some sugar baby
Mar 15, 2012
4,124
5,242
Colorado
Can’t see how you can hope to be accurate with manual timing.
All of the variation is going to be with your manual process and not the car (or any car)
If accuracy is important - and as we are talking .1 of a second differences I’m assuming it is, then the only option is buying hardware to do the timing.

Bingo.

I can't believe OP is going to waste the time of a tech at the Tesla SC with "I try 0-60 runs with google maps and the accelerometer on my phone and don't get consistent results".

What. a. joke.
 

MountainPass

Active Member
Global Vendor
Mar 2, 2018
1,576
3,155
Toronto, Canada
Yes, as others mentioned you don't need to look at GPS or distance data at all. That would be relevant if you were trying to emulate a 1/4 mile run but for 0-60, the best way to do it with a stopwatch (if you HAD to do it that way) would likely be:

Have a passenger holding a stopwatch. Have him "start" the moment he feels his body pressed into the seat (replace him for her if you have an awesome girlfriend). The slight delay in reaction time will closely match up with rollout (+/- 0.1 second I would imagine). Then stop the stopwatch just after you see 59mph on the display. That is likely more accurate than waiting for 60mph as there is some filtering on the speed displayed on the screen.

Alternatively you can do the exact same thing with a GoPro or other camera, as you can clearly see when the acceleration starts and you can see the speed displayed. So you can spend some time looking at the video to determine the exact start and stop point, not ask the passenger "are you sure you pressed stop just after 59mph showed up?"

Try that and compare your results, I'm sure you will find them closer to published numbers.
 
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Bingo.

I can't believe OP is going to waste the time of a tech at the Tesla SC with "I try 0-60 runs with google maps and the accelerometer on my phone and don't get consistent results".

What. a. joke.

If only you speak less and read more, I've mentioned often that I'd be ordering / trying out more accurate device. I am even asking how others do. This is not a forum of "results" but questions, if you realize.

Most of us who do drive cars are certainly not in a full on profession to own acceleration test gear for the cars; let alone after buying a Tesla.
 
Yes, as others mentioned you don't need to look at GPS or distance data at all. That would be relevant if you were trying to emulate a 1/4 mile run but for 0-60, the best way to do it with a stopwatch (if you HAD to do it that way) would likely be:

Have a passenger holding a stopwatch. Have him "start" the moment he feels his body pressed into the seat (replace him for her if you have an awesome girlfriend). The slight delay in reaction time will closely match up with rollout (+/- 0.1 second I would imagine). Then stop the stopwatch just after you see 59mph on the display. That is likely more accurate than waiting for 60mph as there is some filtering on the speed displayed on the screen.

Alternatively you can do the exact same thing with a GoPro or other camera, as you can clearly see when the acceleration starts and you can see the speed displayed. So you can spend some time looking at the video to determine the exact start and stop point, not ask the passenger "are you sure you pressed stop just after 59mph showed up?"

Try that and compare your results, I'm sure you will find them closer to published numbers.

Thanks :)
Just by coincidence this is exactly what I did this morning. Similar results ~ 4.8, 5.3, 4.9. I used a stop watch with a GoPro. Also, this time I had the car fully 100% charged. The voltage (assuming it is proportionately applied directly to the motor without a step down DC regulator in between) will have an impact, yes.

Point noted.

Thanks for all the inputs. I think I am ok, but happy to learn more.
 

voip-ninja

Give me some sugar baby
Mar 15, 2012
4,124
5,242
Colorado
If only you speak less and read more, I've mentioned often that I'd be ordering / trying out more accurate device. I am even asking how others do. This is not a forum of "results" but questions, if you realize.

Most of us who do drive cars are certainly not in a full on profession to own acceleration test gear for the cars; let alone after buying a Tesla.

You are getting better stuff, okay.

It is still mind boggling to me, and maybe others, that you're going to waste Tesla's time with this reporting that you get inconsistent 0-60 times.

Why don't you look into the variation in 1/4 mile times that both professional and serious amateur racers get when testing at professional drag strips.

These are expert drivers who have done hundreds or thousands of laser timed 1/4 mile and 0-60 runs and they see variation... but for some reason you think it's wise to waste Tesla's time with the fact that you are getting inconsistencies.
 

buttershrimp

Click my signature to Go Mad Max Mode
Supporting Member
Jun 17, 2017
3,271
8,737
ATX
Battery was charged to 170 miles and not the full 310+ miles.
No uphill.
Nothing else odd or unusual.
stomp the pedal literally, none of that hard press crap... warm the battery up prior to the test and get a proper measurement of the speed via go pro. test it forward and back on the same street 3 times... report back
 

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