[Land-speed] Traction at Bonneville

[Rick Byrnes]

Gee, it is interesting when someone actually tries to measure.
Staggemeir and Eakers performed coastdown tests on the salt in I think 88 
and the data reportedly was something like   0.66  with good dry concrete 
given at 1.0  Salt conditions were hard and dry. (I think)
Physics hasn't changed in 21 years has it?
Did I just say 21 years.  Man doesn't time fly when you are having fun....

Rick
----- Original Message ----- 
From: "Jim Dincau" <jdincau at qnet.com>
To: "land Speed List" <land-speed at autox.team.net>
Sent: Monday, September 14, 2009 2:51 PM
Subject: [Land-speed] Traction at Bonneville


> FWIW
>     This year at Speedweek my brother made a rig to drag a piece of tire 
> tread on the salt and measure the force required. He says;
>
>>From my testing, Bonneville traction is roughly 67% of dry concrete, which
> is the same as dry Asphalt.
>
> Again your mileage may vary.
> Jim in Palmdale _______________________________________________
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