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Thread: Gravel runway - turbo prop operation - design criteria for runway surface
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Old 11th August 2008 | 20:44
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FlightTester
 
Joined: Jan 2008
Posts: 127
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From: Wichita, USA
Gravel Runway
A lot of the data has to do with CBR (California Bearing Ratio). I believe that the spec contains the details you're after. If memory serves me correctly, you'd be looking for a CBR of around 30 for a gravel runway. Hydro Quebec operates several gravel strips, they should have some details.

Cheers

FT
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