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      07-29-2008, 10:06 AM   #1
Terp1
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i Phone Dyno, New & Improved with "Dynolicious" Pix

MODS feel free to move if necessary.

Here's a link to an app for a G meter for your i-phone. I haven't actually downloaded it yet, so I can't speak to its effectiveness. I think it's $12.99 for the download via the apple apps site.

http://www.dynolicious.com/
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      07-29-2008, 10:24 AM   #2
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That's awesome! Might have to download that...
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      07-29-2008, 10:33 AM   #3
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I'm downloading it right now onto the phone. I won't get to test it though since I'm still breaking the car in.
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      07-29-2008, 11:07 AM   #4
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very cool.

i wish they would incorporate gps, but the iphone sample rate is only 1 hz for gps right now. perhaps an app could be written to get it to sample faster (why not, after all). considering the cheapest gps lap timer i've seen is the performancebox ($500), it seems worth the effort for an app writer!
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      07-29-2008, 12:05 PM   #5
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New iphone application (Dynolicious)

http://www.e90post.com/forums/showthread.php?t=159715

I just downloaded this for my iphone. I can't wait to test this out!
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      07-29-2008, 12:26 PM   #6
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That is very cool. Hope it proves close to being somewhat accurate otherwise I'd say it's a waste.
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      07-29-2008, 12:41 PM   #7
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Quote:
Originally Posted by R32 View Post
very cool.

i wish they would incorporate gps, but the iphone sample rate is only 1 hz for gps right now. perhaps an app could be written to get it to sample faster (why not, after all). considering the cheapest gps lap timer i've seen is the performancebox ($500), it seems worth the effort for an app writer!
Where did you see the 1hz? looks like the location manager will update with a stop/start, but couldn't find info on the frequency cap.
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      07-29-2008, 12:49 PM   #8
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Subscribed!!

Keep us posted on how the app works!!
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      07-29-2008, 12:57 PM   #9
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The HTC Diamond also has an accelerometer & GPS radio. I wish there was a WM6 version of an application like that.
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      07-29-2008, 12:58 PM   #10
larryn
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Merged the two threads as well...
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      07-29-2008, 01:12 PM   #11
R32
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Quote:
Originally Posted by john970 View Post
Where did you see the 1hz?
you know, i thought i had read that some months ago, but now i've looked i can't find it... i guess software could conceivable tell it to sample as often as one would wish?

edit: looks like 1hz is the typical refresh rate for consumer gps devices. i guess that was what i was thinking about. data loggers for racing applications are 10 hz, from what i've seen.
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      07-29-2008, 01:43 PM   #12
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Very cool! I don't want to pay the $70/mo for an iPhone plan, but I might have to pick up an iPod touch to replace my aging mini.

Dan
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      07-29-2008, 03:54 PM   #13
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Plan on testing tonight
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      07-29-2008, 05:11 PM   #14
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Just went out and played with the software. No real times just street driving 0-60 in 8+ seconds

Seems to be accurate and well built.
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      07-29-2008, 05:54 PM   #15
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Quote:
Originally Posted by Dan203 View Post
Very cool! I don't want to pay the $70/mo for an iPhone plan, but I might have to pick up an iPod touch to replace my aging mini.

Dan
Ipod touch won't run that software, since it doesn't have a GPS radio nor the accelerometer though.


Edit.. researched, and I guess I'm wrong. Never Mind - Emily Latella
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      07-29-2008, 06:17 PM   #16
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I can't get my phone to perform the calibration test. It gets all the way to the one where you have put the screen face down. I put the phone face down but it never moves past that point.

I have a 1st Gen iphone, BTW
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      07-29-2008, 07:04 PM   #17
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What did you guys enter for the drivetrain loss for the 135?
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      07-29-2008, 08:01 PM   #18
larryn
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Lol!! I didn't get to delete that darned thing in time for quickdraw Xin! lol

All you need is an un-jailbroken iPhone/Touch updated to v2.0, supposedly.

I did update my post above though.
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      07-29-2008, 08:21 PM   #19
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0 will give you wheel HP. This will be more accurate that entering a % for motor power.

Quote:
Originally Posted by Xin1120 View Post
What did you guys enter for the drivetrain loss for the 135?
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      07-29-2008, 08:47 PM   #20
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Dyno Program for iPhone

I just tried it out (0-60, I was driving on the highway and didn't want to speed so the 1/4 mile time was something like 20 seconds) and for $13 it is an incredible program. I am using 2.0 on an original iPhone, I don't know if it is dependant on GPS for 0-60 and 1/4 as the 0-60 time was pretty slow (6 seconds and I know I did faster than that) the G forces and horsepower rating seemed to be right on (.95 G acceleration and 295 horsepower to the tires). I am interested if anyone else, especially with a 3G phone has tried it out.
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      07-29-2008, 09:48 PM   #21
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I gave it a few tries.

0-60 was consistantly around 5.5 seconds, 1/4th in the high 13s at 102-107, with 2.4s 60'. No idea how accurate it is. Trap speed seems to be in the right ballpark, but 60' seems a bit slow to me.
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      07-29-2008, 11:50 PM   #22
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Im going to test this tomorrow in my various cars, but my arm moving around my head produced 1200 hp and more than a G of force! HA!

I'll use my Escort G at the same time and see what the difference is.
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