Tried it a while ago and compared to a test on the same my car on a dynamometer real was decidedly optimistic (about 15hp more? about 220 of the rolled actual)
Anyway, for an estimate before-and-after pu? also serve, in view of the simplicity, the important ? try to set the parameters of the pi? "right" possible or totally wrong...
? also important that the acquisition lasts more than 10 seconds...
I would also say far more? if you can, otherwise the "transient" they are too influential to have reliable estimates through numerical calculations (and ? what this software does NOT detect the power, the estimate using the numbers...)Originally Written by cjack
a lot of pi? ? hard:-) the output is always obtained by numbers, in a way or another...
Well, I would say no, a tour real calculates the "physical", not only by calculating the times and numeretti...
Hello !
In France c'? an app on the iphone that you need to make measures to guarantee the reels !
It's called PERFEXPERT - for the price of 9€ (a little money to spend) I always use to make measurements !
Try to look on the net, they say those who use it which is almost the same as that of the rollers.
The application ? interesting, it seems to work like powerdyn only that the acceleration instead of being obtained from the variation of the laps in time ? derived from the accelerometer of the phone... This according to me adds a possible error in the measurement.
You should try it, maybe the part of the program that acceleration to get the power ? made better than that of powerdyn....
I have seen a lot of things talking about this app ! but they all say that, and the best system after the physical reels (where you must put the car)
too? the rollers are not always accurate and have different tolerances, it always depends on that quality? and what price are you willing to pay at the time of purchase.
..***** and you spend eat it! ;-)
The data are indicative, but passable for the price.
I know of no other system, Rollers, Powerdyn via induction ? Powerdyn OBD...
Greetings
Leo
But the PERFEXPERT connects via bluetooth to the iPhone?
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