Originally Posted by MarkD
The wheel spin will make the calculated torque and hp lower than it actually is. I'm not sure what is going on with your pocket Dyno but I it appears the calculation is not correct. Does it ask you to put the phone on the dash and hit any button to zero the accelerometers?
Where exactly is the phone located when you accelerate, is it in your pocket?
If so, it will never give you an accurate result.
My Buddy was sitting on the roof holding it while I was unleashing the beast! I got no room for I-phone in my pocket there is already a DYNO there!