[TowerTalk] Trylon

[Mike Suljak VA3LR]

I am attempting to size a Trylon Super Titan tower and noticed something in the Canadian catalogue that has me stumped.

The CSA Standards (Class 1 with 10mm Ice, Class 2 with 25mm Ice and Class 3 with 25 mm Ice) are shown with what I believe are specified survival rates in Pa, which I assume is Pascals.  For example, the allowable antenna areas indicated are shown for 350 Pa/450 Pa/550 Pa for each CSA standard.  

In contrast, the Titan line in the Canadian Catalogue does indicates allowable antenna areas for 75/85/100 mph wind speed and does not utilize Pascals.  

Does anyone know if there is a simple conversion of Pascals to mph (or kph) ?  From my research, it does not seem to be a simple answer ... hopefully I am wrong.

I am looking at going with a JK Mid-Tri-40 and the 72' Trylon Titan does not provide enough capacity so I believe that a 70' Super Titan will be required.

Any comments are appreciated.

73

Mike
VA3LR

mike at va3lr.com