Let's really derail this thread...........
What's this?????

I'm gonna guess that it's DSR's surface expert (Lenny ?) measuring something!
He also has a robot that is connected to one of those devices on his belt . . . which measures - I have no idea! -

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"The Counterfeiter"

It's not Lanny, Jim. This was Mike Guger testing the racing surface. Since this pic was taken (Atlanta), I have noticed Oswald is using one also.

Yep, we usually only leave the track for Church and if close to, an In-N-Out burger

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so a gravel road is built. rains wash that gravel away. the gravel is replenished as needed. after a while what has been done to the natural landscape as all that gravel accumulates where it wouldn't naturally be?

I 'm sorry but I don't believe this is a fight the auto racing community should be fighting, because quite frankly it just makes us look selfish.
Pave the road and have a bicycle race to the top .

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I'm still DamnYankee

"A Friday night run in a Funny Car is just really intense" - Whit Bazemore

Wow Yank..that's a derail to the nth..

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--Medicated for your safety!!--

well I figure you left the other post on the hillclimb up so I replied to it.
and Whit Bazemore cycles so it's relevent.

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I'm still DamnYankee

"A Friday night run in a Funny Car is just really intense" - Whit Bazemore

It's pretty simple, it's a torque wrench attached to a rubber disc. They crank it on the track surface, see what the torque wrench reads as it just slips, and then compare it to other readings. I saw it at LV1, at it *wasn't* Lanny using it, but I don't remember which team it was.