Panthim

There is a PPP by Ralf Homuth held on the INSITA 2013 (in German):
https://www.dfv.aero/downloads/6_-_TECHNIK_-_Fallschirme_in_der_Zerreissprobe.pdf
in the second part You can find some graphs / tables.

Older thing, but may help

http://www.cypres.cc/index.php?option=com_content&view=article&id=153&Itemid=104&lang=en

I had have a Centaurus with Eagles for 400 jumps. No problems!
http://www.naaero.com/sport/centaurus.htm

From there http://www.marsjev.cz/products/n-1.htm?lang=en:

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The deliveries to dealers and customers will start in May 2011.

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If I could only visit one... Zhills. Close to a big city and they do a great job of being friendly.

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also if you know of any dz's on the coast.

I'd go to Sebastian.

So I'd.