Tire pressure can affect grip too. You can try lowering by 5psi for more grip. Do it for science.
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Dual Motor Performance 0-60 times
- Thread starter forkee
- Start date
Swampgator
Active Member
Track vs vbox vs Dragy results
Has his own data, and the thread also links to:
Dragy GPS Performance Meter Review and Racelogic VBOX Comparison
Has his own data, and the thread also links to:
Dragy GPS Performance Meter Review and Racelogic VBOX Comparison
Daniel in SD
(supervised)
Your times are without 1 foot rollout right? That would definitely bring it down below 3.5s.
The problem with California is that it's very hard to find a place to run 0-60 that's both flat and empty
I've got a VBOX and it's shown me that that it's very hard to get magazine times on an ICE vehicle.
The problem with California is that it's very hard to find a place to run 0-60 that's both flat and empty
I've got a VBOX and it's shown me that that it's very hard to get magazine times on an ICE vehicle.
Daniel in SD
(supervised)
Maybe I should have gotten Dragy! Though I got the VBOX because it interfaces with Harry's Laptimer.
Why do the g-force measurements on Dragy look so horrible? They look much more precise on the VBOX.
Swampgator
Active Member
So it looks like 1 foot roll out can lower 0-60 about 0.2 secs.
If I am right that the 20" wheel/tire combo will give about 3.3 with no roll out, we could be looking at 3.1 with roll out. That is about what I thought they would deliver for the past year and a half. Just enough to separate from the S and X, but still a serious value for the money.
If I am right that the 20" wheel/tire combo will give about 3.3 with no roll out, we could be looking at 3.1 with roll out. That is about what I thought they would deliver for the past year and a half. Just enough to separate from the S and X, but still a serious value for the money.
Swampgator
Active Member
Yeah. I found that out in my S2000. I had a g-force? meter and remember I had to rev to 6K, then drop the clutch hard and hold on in order to come close to MT timesYour times are without 1 foot rollout right? That would definitely bring it down below 3.5s.
The problem with California is that it's very hard to find a place to run 0-60 that's both flat and empty
I've got a VBOX and it's shown me that that it's very hard to get magazine times on an ICE vehicle.
So much easier in a Tesla.
Knightshade
Well-Known Member
Yeah. I found that out in my S2000. I had a g-force? meter and remember I had to rev to 6K, then drop the clutch hard and hold on in order to come close to MT times
I recall like 15 years ago reading a comparison in some car mag of all the little droptop sporty cars in the class (S2k, miata, MR2, etc), etc and they described the S2000 as "the most fun to drive like an escaped mental patient"
Swampgator
Active Member
Yeah. I found that out in my S2000. I had a g-force? meter and remember I had to rev to 6K, then drop the clutch hard and hold on in order to come close to MT times
RIP your clutch lol
What was the S2000 VTEC RPM tip in point?
Whoa - peak of 1.5g is pretty crazy. Seems dubious. Looks like maybe the tires broke loose in 0-10 though? Your good runs made about 0.8g in that range but these runs ramped slower and flattened out around 0.6g. My theory is the lower SOC and uphill in previous runs actually helped avoid some wheel spin - slightly reduced power and more normal force on rear tires.
I was wondering about the accel readings too. I’m guessing maybe they don’t have an real accelerometer but just derive acceleration from GPS velocity data, which might not be stellar in all cases if their filters have lag/overshoot. That might explain the wild jump to 1.5g in the latest plots - you can see the slope of the velocity curve gets steep about the same time.
It only uses the phone as a data logger saver, the gps workings are in the dragy device itself.
Petra
Member
Except for, you know, the entire inland part of California...The problem with California is that it's very hard to find a place to run 0-60 that's both flat and empty
The middle of nowhere is only 10 minutes away from Palmdale/Lancaster.
Jigglypuff
Member
Palmdale/Lancaster ARE the middle of nowhere.Except for, you know, the entire inland part of California...
The middle of nowhere is only 10 minutes away from Palmdale/Lancaster.
Pretty sure it's not hard to find a place to run 0-60 that's both flat and empty. Plenty of local roads down in Irvine has speed limit of 55mph. Just go out at late-night the road will be empty.Your times are without 1 foot rollout right? That would definitely bring it down below 3.5s.
The problem with California is that it's very hard to find a place to run 0-60 that's both flat and empty
I've got a VBOX and it's shown me that that it's very hard to get magazine times on an ICE vehicle.
Swampgator
Active Member
Yeah when I first heard about Dragy I assumed it was one of those apps that use the phone accelerometer. I didn't realize until later that there's a dedicated GPS box. Looks to be very accurate from review I've seen online.
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