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 Lap timers
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Suzuki Jon
Needs a Life!!!

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Joined: 04/08/2007
USA
382 Posts

Posted - 03/03/2010 :  16:25:28  Show Profile Send Suzuki Jon a Private Message  Reply with Quote
I was hoping I would be able to afford some type of data acq this year, but it looks like it's not going to happen.

I would like to find some type of lap timer that would work everytime (unlike my hotlap timer) thats not big $$$.

I have an iPhone and have found a couple different mountain bike timers that are GPS based that I might try.

Forget suggesting I have someone time me and radio it to me. Then I'd have to hire friends.

Thanks,
Jon

Suzuki Jon
2009 Mazda MX-5 Zoom-Zoom

joecam96
Forum Hermit

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Joined: 02/04/2003
Canada
100 Posts

Posted - 03/03/2010 :  16:55:40  Show Profile  Visit joecam96's Homepage Send joecam96 a Private Message  Reply with Quote
I have been looking at these as well. Here are a couple of links.

http://bonadjalins.wordpress.com/2009/04/04/testing-iphones-based-gps-lap-timersentul/

http://web.me.com/hschlangmann/LapTimer_Homepage/Home.html

http://www.firstclass.com/~ron/Lap_Timer/Main.html

Joe Camilleri
Toronto
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Suzuki Jon
Needs a Life!!!

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Joined: 04/08/2007
USA
382 Posts

Posted - 03/03/2010 :  17:46:49  Show Profile Send Suzuki Jon a Private Message  Reply with Quote
I downloaded the Cantrell Motorsports app, but haven't tried it yet.

I also have Motionx GPSlite that I use when I run and maps pretty good.

Suzuki Jon
2009 Mazda MX-5 Zoom-Zoom
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blentz2
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Joined: 04/19/2005
USA
623 Posts

Posted - 03/03/2010 :  18:22:18  Show Profile Send blentz2 a Private Message  Reply with Quote
I used an intercomp timer for years. It worked every session. Battery lasted for years (has auto-off). We never put a beacon up - it would run off anyone's that was on the wall.

Bobby Lentz
GTL Nissan Sentra
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Suzuki Jon
Needs a Life!!!

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Joined: 04/08/2007
USA
382 Posts

Posted - 03/03/2010 :  18:50:54  Show Profile Send Suzuki Jon a Private Message  Reply with Quote
Has anyone used a XT racing timer?

http://www.xtracing.com/en/index.php

Suzuki Jon
2009 Mazda MX-5 Zoom-Zoom
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Joe Harlan
Moderator

Joined: 10/25/2003
USA
1042 Posts

Posted - 03/03/2010 :  20:50:23  Show Profile  Visit Joe Harlan's Homepage Send Joe Harlan a Private Message  Reply with Quote
I use the AIM timer and love it...We put over 600 laps into it at an enduro and it di not miss a beat..

Joe Harlan Member #175515 toptechracing@yahoo.com

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Suzuki Jon
Needs a Life!!!

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Joined: 04/08/2007
USA
382 Posts

Posted - 03/03/2010 :  21:32:19  Show Profile Send Suzuki Jon a Private Message  Reply with Quote
Joe, if I had your money, I'd throw my money away.

Suzuki Jon
2009 Mazda MX-5 Zoom-Zoom
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Joe Harlan
Moderator

Joined: 10/25/2003
USA
1042 Posts

Posted - 03/04/2010 :  02:10:43  Show Profile  Visit Joe Harlan's Homepage Send Joe Harlan a Private Message  Reply with Quote
http://www.aimsports.com/store/product_info.php?products_id=28

299.00? you are almost there with the XT unit.... If you had my money you would be broke...:)

Joe Harlan Member #175515 toptechracing@yahoo.com

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disquek
Ready to Write a Book

Joined: 01/20/2009
99 Posts

Posted - 03/04/2010 :  07:11:53  Show Profile Send disquek a Private Message  Reply with Quote
The idea of an iPhone GPS laptimer is very cool. I looked into it and found this:
http://web.me.com/hschlangmann/LapTimer_Homepage/Home.html

However, they say on their site that the iPhone gets at most 2 updates per second. Hardly ideal.

Good luck!

-Kyle
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markw
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Joined: 02/04/2003
USA
946 Posts

Posted - 03/04/2010 :  08:31:46  Show Profile  Visit markw's Homepage Send markw a Private Message  Reply with Quote
Jon, Peter S. and I use these. http://www.digatronusa.com/products-cars.shtml Mine is a dual display. I can watch EGT and Lap Times. When racing, it displays the lap count if I choose. Mine saves RPM and EGT as an event for all laps run. Afterwards you can download the data and graph it. Peter's has two EGT displays and MPH. Great little units and you get more than just a lap count. We have found EGT a very reliable way of monitoring the engine on track. I have a beacon, but have not had to set it up the last four years. mark
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maloney43
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Joined: 02/10/2003
USA
165 Posts

Posted - 03/04/2010 :  09:10:16  Show Profile Send maloney43 a Private Message  Reply with Quote
I've been looking at the Blind Apex (HUD-9x). I works with the AMB track lap system used by SCCA. Don't have one yet but figure if the transducer works so will the display. It is around $300.00 and you don't need to worry about setting up a beam. Anyone heard any pro's or con's?

Keith Maloney
43honda
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disquek
Ready to Write a Book

Joined: 01/20/2009
99 Posts

Posted - 03/04/2010 :  12:39:11  Show Profile Send disquek a Private Message  Reply with Quote
Keith,

On paper that system looks great (esp the gap feature). But I know people who have sold them because the AMB system at the track is not setup to transmit the data to the display.

Not sure if this has changed, or if your region differs from mine.

-Kyle
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maloney43
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Joined: 02/10/2003
USA
165 Posts

Posted - 03/04/2010 :  13:38:50  Show Profile Send maloney43 a Private Message  Reply with Quote
Good point. I made the broad assumption of if it was AMB it would pick up and transmit. I'll do some checking to see what tracks are able to transmit in our area.

Keith Maloney
43honda
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disquek
Ready to Write a Book

Joined: 01/20/2009
99 Posts

Posted - 03/05/2010 :  08:35:40  Show Profile Send disquek a Private Message  Reply with Quote
Jon,

http://www.apexspeed.com/forums/showthread.php?t=38746

-Kyle

PS: might be some wiggle room on the $$ (just guessing based on the recent price drop).
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disquek
Ready to Write a Book

Joined: 01/20/2009
99 Posts

Posted - 03/12/2010 :  07:50:20  Show Profile Send disquek a Private Message  Reply with Quote
Price dropped on that lap timer again ....

-Kyle
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