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does any one know what they use on the center line timing system [300ft]
of full size tracks.
I have seen cars move to far to the center line and take them out.
have wondered what there made of as it does little damage to the car.

and how its keep in place from moving from shock wave from a car going by.

and what is used to bounce the laser beam .
 

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does any one know what they use on the center line timing system [300ft]
of full size tracks.
I have seen cars move to far to the center line and take them out.
have wondered what there made of as it does little damage to the car.

and how its keep in place from moving from shock wave from a car going by.

and what is used to bounce the laser beam .
most full size drag strips use foam blocks w/ reflectors on them. they usually glue, silicone, or velcro them down to the track. i would imagine this would work for rc cars too.
 
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