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Race timing help

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gyoung

Joined: 09 Jan 2006
Posts: 211
Location: Republic of Texas

Posted: Tue Jun 30, 2009 8:56 pm Post subject: Race timing help

I just participated  in a type club speed event (without lawyers we'd call it a race) and the time  keeping got unbelievably screwed up for such a small group (18 planes). Even  though there are classes and staggered starts we got folks crossing the finish  tip to tip at pattern altitude. Suffice to say that human errors on both the  pilots and timers parts caused a lot of grief. Sooo... what kind of  technology is out there to assist? All we really need is start and finish times  for each plane. It could be plane based, ground based or a combo but  it needs to be affordable for 20-30 planes to use and able to deliver the  results quickly, e.g. a download and analysis of everyone's 396/496 bread crumb  trail probably won't do. I was kinda thinking of giant barcodes under the wing  and a 10 KW scanner at the finish point;-) Hopefully someone knows  of something simpler, cheaper and more elegant. What's  available?

  

 Thanks,

 Greg  Young

   [quote][b]

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berkut13(at)berkut13.com
Guest

Posted: Tue Jun 30, 2009 10:52 pm Post subject: Race timing help

Many of us in the SARL (www.sportairrace.org) purchased low cost  GPS data loggers to analyze our own performance.  It records at 1sec  (programmable) resolution, Lat, Long, Speed, and Alt for about 5hrs, more  at lower res. The data can then be uploaded into Google Earth and  viewed.  It is very easy to mark the crossing of start/finish lines,  turn points, etc.  From that, you can derive your TRUE course timing - much  more accurately than a human centric process.  Eventually, the races will  be timed off of these units instead of human timers and turn point  observers.

  

 http://www.globalsat.com.tw/eng/product_detail_00000090.htm

  

 This is the one I use, many others are out  there.  Be sure the one you choose has the ability to output or export to  .GPX format.  This is the "standard" GPS data format that is expected by  most data formatting sites and programs.  I also use http://www.gpsvisualizer.com/ to  colorize my track by speed, add a semi-transparent wall connected to the ground,  and other things.  Very neat stuff.  It sure lets you know if you blow  a turn or wander in altitude/heading.  My closest competitor and I share  our data and superimpose our tracks on GoogleEarth to see how each others  performance compared.

  

 At less than $100...this things are golden in my  book!

  

 James Redmon

Berkut #013/Race 13

www.berkut13.com

2007 SARL Silver National  Champion

  

  

 [quote]   ---

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mike109g6(at)insideconnec
Guest

Posted: Wed Jul 01, 2009 12:49 pm Post subject: Race timing help

James,

 Where can you buy one?

 Thanks,

 Mike H

 [quote]   ---

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Sam

Joined: 18 May 2008
Posts: 135

Posted: Wed Jul 01, 2009 7:00 pm Post subject: Race timing help

Greg - Take a look here - "Timing the Race"



http://www.sportairrace.org/id141.html



Sam



 	  Quote: 	
		  	
 



On Tue, Jun 30, 2009 at 11:54 PM, Greg Young <gyoung(at)cs-sol.com (gyoung(at)cs-sol.com)> wrote:

[quote]      I just participated  in a type club speed event (without lawyers we'd call it a race) and the time  keeping got unbelievably screwed up for such a small group (18 planes). Even  though there are classes and staggered starts we got folks crossing the finish  tip to tip at pattern altitude. Suffice to say that human errors on both the  pilots and timers parts caused a lot of grief. Sooo... what kind of  technology is out there to assist? All we really need is start and finish times  for each plane. It could be plane based, ground based or a combo but  it needs to be affordable for 20-30 planes to use and able to deliver the  results quickly, e.g. a download and analysis of everyone's 396/496 bread crumb  trail probably won't do. I was kinda thinking of giant barcodes under the wing  and a 10 KW scanner at the finish point;-) Hopefully someone knows  of something simpler, cheaper and more elegant. What's  available?

  

 Thanks,

 Greg  Young

    	  Quote: 	
		  



ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List

tp://forums.matronics.com

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[b]

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_________________
Sam Hoskins
www.samhoskins.blogspot.com

berkut13(at)berkut13.com
Guest

Posted: Thu Jul 02, 2009 4:55 pm Post subject: Race timing help

Just pull up Google.com and type "DG-100"  in.  Hundreds of vendors.

 -James

  

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ianxbrown

Joined: 16 May 2009
Posts: 80

Posted: Fri Jul 03, 2009 8:39 am Post subject: Race timing help

They use photographs for horses!  How about using a high resolution

camera photographing a clock and the finish line at the same time? You

would need to be able to recognize every aircraft from underneath.  Some

cameras will allow multiple shots at the high resolution needed, or you

could take digital video if you think you'd have enough information.



Ian Brown



On Tue, 2009-06-30 at 23:54 -0500, Greg Young wrote:

 	  Quote: 	
		   I just participated in a type club speed event (without lawyers we'd

 call it a race) and the time keeping got unbelievably screwed up for

 such a small group (18 planes). Even though there are classes and

 staggered starts we got folks crossing the finish tip to tip at

 pattern altitude. Suffice to say that human errors on both the pilots

 and timers parts caused a lot of grief. Sooo... what kind of

 technology is out there to assist? All we really need is start and

 finish times for each plane. It could be plane based, ground based or

 a combo but it needs to be affordable for 20-30 planes to use and able

 to deliver the results quickly, e.g. a download and analysis of

 everyone's 396/496 bread crumb trail probably won't do. I was kinda

 thinking of giant barcodes under the wing and a 10 KW scanner at the

 finish point;-) Hopefully someone knows of something simpler, cheaper

 and more elegant. What's available?

  

 Thanks,

 Greg Young

- The Matronics AeroElectric-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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