HISTORY OF FRICTION MEASURING

“Early it was realized that flight safety required some control of the slipperiness on the take-off or landing surface. Many of the surfaces were in the old days grass surfaces. Only a few airports had hard surface runways…. The need for friction measurements was not pronounced in those days.

“The airport manager in many cases checked the friction conditions by making a skid test. If he was skidding too long, he issued a ban on use of the airport. Due to accidents and incidents it was gradually found that better methods had to be developed for measuring friction of runway surfaces”.

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HISTORY OF FRICTION MEASUREMENTS AT AIRPORTS [PDF]
by Gunnar Antvik

  
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