A little iphone test

sparoz · 07-04-2009, 08:45 AM

Just download the dynolicious today and keen to test it out.

As the tires are pretty new, and I am still below the 2000km run-in period and 200kms for my new tires, I decided I would just do a soft launch. I shift gears at just over 4000, and I didn't floor it either, just giving it a gradual throttle increase.

0-100 at 6s - which was quite surprising - but I guess that's the most accurate figure as it is timed.

May be because I was not doing a hard launch, and I actually get the curve pretty linear, it predicted it will do the 1/4 mile at 12.35, with Peak Power at 802kW.

I am not setting it up right? Or is it just because they way I did the test run?

smarm · 07-04-2009, 07:00 PM

How are you securing the iphone. Keeping it in a constant, fixed position is one of the most important things you can do to try and make the results accurate.

x5mad · 07-04-2009, 07:05 PM

This thing is pretty fun. It predicted 224rwkw and when I did the dyno my figure was 222.4rwkw. I was pretty impressed!

Caduceus · 07-05-2009, 02:26 AM

Quote:

Originally Posted by smarm

How are you securing the iphone. Keeping it in a constant, fixed position is one of the most important things you can do to try and make the results accurate.

Pull the thigh support forward on the passenger seat. Stand the iPhone vertically in the gap and then jam the thigh support back into the closed position. Holds the phone nice and firmly without damaging it and allows you to access the start/stop button at the top of the screen.

x5mad · 07-05-2009, 04:13 AM

Another way to securely hold the phone in place would be to get the iphone snap in adaptor. The application also works in a horizontal position.

smarm · 07-05-2009, 05:33 AM

Quote:

Originally Posted by Caduceus

Pull the thigh support forward on the passenger seat. Stand the iPhone vertically in the gap and then jam the thigh support back into the closed position. Holds the phone nice and firmly without damaging it and allows you to access the start/stop button at the top of the screen.

That still gives some movement/tilt, which can affect the accelerometer and in turn accurate readings...

Guran · 07-06-2009, 05:09 AM

Race tape fixes everything!

And you need a very accurate total car weight to give you a good estimate of rwkw.

Breville · 08-25-2009, 06:17 AM

What did you use as drive train loss?

07-04-2009, 08:45 AM	#1
sparoz Brigadier General 191 Rep 4,848 Posts Drives: VO 1///M; Macan Turbo Join Date: Jun 2008 Location: Sunshine Coast iTrader: (0)	A little iphone test Just download the dynolicious today and keen to test it out. As the tires are pretty new, and I am still below the 2000km run-in period and 200kms for my new tires, I decided I would just do a soft launch. I shift gears at just over 4000, and I didn't floor it either, just giving it a gradual throttle increase. 0-100 at 6s - which was quite surprising - but I guess that's the most accurate figure as it is timed. May be because I was not doing a hard launch, and I actually get the curve pretty linear, it predicted it will do the 1/4 mile at 12.35, with Peak Power at 802kW. I am not setting it up right? Or is it just because they way I did the test run? __________________ Macan S Diesel - Carrera White Macan Turbo - White 1///M - Valencia Orange
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07-04-2009, 07:05 PM	#3
x5mad Lieutenant Colonel 352 Rep 1,772 Posts Drives: iX 40 Join Date: May 2009 Location: Australia iTrader: (0) Garage List bmw [0.00]	This thing is pretty fun. It predicted 224rwkw and when I did the dyno my figure was 222.4rwkw. I was pretty impressed!
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07-05-2009, 04:13 AM	#5
x5mad Lieutenant Colonel 352 Rep 1,772 Posts Drives: iX 40 Join Date: May 2009 Location: Australia iTrader: (0) Garage List bmw [0.00]	Another way to securely hold the phone in place would be to get the iphone snap in adaptor. The application also works in a horizontal position.
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07-06-2009, 05:09 AM	#7
Guran Captain 24 Rep 895 Posts Drives: 08 135i Coupe Join Date: May 2008 Location: Wollongong, Australia iTrader: (0)	Race tape fixes everything! And you need a very accurate total car weight to give you a good estimate of rwkw. __________________ 08 BMW 135i Sport Coupe \| Manual \| Sparkling Graphite \| Coral Red Boston Leather \| 10 Speaker Hi Fi
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08-25-2009, 06:17 AM	#8
Breville Scum in the sun 30 Rep 938 Posts Drives: 135i Coupe TiAg Join Date: Sep 2008 Location: Syndey iTrader: (0) Garage List 2008 135i Coupe [0.00]	What did you use as drive train loss? __________________ One should love animals. They are so tasty.
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