Cinder Runway?

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Spandau
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Cinder Runway?

Post by Spandau » Wed Feb 13, 2019 6:46 am

In some of the older books written by guys like Ernest K Gann, etc I've read the occasional reference to a "cinder" runway. Anybody know exactly what that would be? Concrete like, as in "cinder block", or more like a gravel runway, or...?
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Hockaloogie
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Re: Cinder Runway?

Post by Hockaloogie » Wed Feb 13, 2019 7:16 am

Like gravel. Cinders were the remnants of coal combustion. When I was a kid there was a factory nearby that had a cinder parking lot. The stuff is like gravel.
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Spandau
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Re: Cinder Runway?

Post by Spandau » Wed Feb 13, 2019 8:44 pm

Ok - that makes sense because I'd heard of cinder runways being graded periodically. Thanks for the help.
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pelmet
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Re: Cinder Runway?

Post by pelmet » Thu Feb 14, 2019 1:06 am

A couple of mentions about it here.

Sounds like a hard surface but not sure...

https://books.google.co.uk/books?id=Fvz ... ay&f=false
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Meatservo
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Re: Cinder Runway?

Post by Meatservo » Thu Feb 14, 2019 10:18 am

Otherwise known as "clinker". Like Mr. hock a loogie said, it's the slag from coal. Enourmous quantities of it are produced by steel plants, power stations, etc. It's part ash and vitrified minerals. It's extremely hard and sharp, and packs down nicely the way mine-crush granite does. However, it's also very sharp and I imagine it would be murder on the tyres. The dust, I'm speculating, would be as nice for compressor blades as volcanic ash.
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