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DRR / Crew
Picture of DragRaceResults
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Good to know. I'd love to double check this as I've found even most track managers aren't fully aware of how a timing system works.

Good thing most tracks don't have them or turn them off for most classes.
 
Posts: 2297 | Location: Gallatin, TN - U.S.A. | Registered: October 12, 2009Reply With QuoteReport This Post
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Our track manager is Jeff Foster, I'm sure he would know! It was Vegas that people are making the accusations. He's the person to talk with, instead of spreading ......!

2BKING Smile

Relaxing


1980 Camaro
Taking the Best Working Small Tire Shyt Box & making it Greater Than Before!
3100 lbs.
Pump Gas 436
 
Posts: 3172 | Location: NV. | Registered: October 20, 2006Reply With QuoteReport This Post
DRR S/Pro
Picture of Lenny5160
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The way it was explained to me is that the Guard Beam serves as a backup for a lazy photocell on the starting line.

If the Guard Beam is broken, the timing system says, "Oh, ****, the wheel just broke the Guard Beam so I better start timing this race!"

I can see how that could be workable in a heads-up race, but doesn't work well in a breakout-type class.


Tony Leonard
 
Posts: 3358 | Location: Inver Grove Heights, MN | Registered: March 18, 2004Reply With QuoteReport This Post
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quote:
doesn't work well in a breakout-type class


It certainly didn't work for my son in the final round of T/S. All of the math (RT a -.011 and ET a + .17) indicates to me that something tripped the clock early. No where near red all day, then adds more delay only to go red by .011 in the final.

Highly doubt it!!!!

Bob
 
Posts: 3448 | Location: Lakeside, Ca | Registered: February 15, 2003Reply With QuoteReport This Post
DRR Pro
Picture of Goob
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quote:
Originally posted by Lenny5160:
The way it was explained to me is that the Guard Beam serves as a backup for a lazy photocell on the starting line.

If the Guard Beam is broken, the timing system says, "Oh, ****, the wheel just broke the Guard Beam so I better start timing this race!"

I can see how that could be workable in a heads-up race, but doesn't work well in a breakout-type class.


Correct, it also guards against anything under the car holding the beam.


"Despite the high cost of living, it remains popular."
Dave Cook
N375
 
Posts: 2105 | Location: Indy | Registered: November 21, 2008Reply With QuoteReport This Post
DRR Pro
Picture of Goob
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quote:
Originally posted by RPROGAS:
quote:
doesn't work well in a breakout-type class


It certainly didn't work for my son in the final round of T/S. All of the math (RT a -.011 and ET a + .17) indicates to me that something tripped the clock early. No where near red all day, then adds more delay only to go red by .011 in the final.

Highly doubt it!!!!

Bob


That would be a classic "backed out" result, although the ET deviation is a bit much...any chance that he gave up on the run early having seen the redlight??


"Despite the high cost of living, it remains popular."
Dave Cook
N375
 
Posts: 2105 | Location: Indy | Registered: November 21, 2008Reply With QuoteReport This Post
DRR S/Pro
Picture of CURTIS REED
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Here is an old interview with Brockmeyer explaining the workings of the original guard beam.

https://competitionplus.com/co...g-system-guard-beam/
 
Posts: 3539 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post



DRR S/Pro
Picture of Lenny5160
posted Hide Post
quote:
Originally posted by RPROGAS:
quote:
doesn't work well in a breakout-type class


It certainly didn't work for my son in the final round of T/S. All of the math (RT a -.011 and ET a + .17) indicates to me that something tripped the clock early. No where near red all day, then adds more delay only to go red by .011 in the final.

Highly doubt it!!!!

Bob


The 60' only slowed .002 from the semis, and the 330' was slow .009.

I'm doubting a clock issue in that case.

I do sometimes wonder how often the clocks are off just a little bit that is within a reasonable margin of human/car error. It's very obvious when the RT and ET are shifting together by .03 or more.


Tony Leonard
 
Posts: 3358 | Location: Inver Grove Heights, MN | Registered: March 18, 2004Reply With QuoteReport This Post
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