View Single Post
  #4  
Old September 17th 06, 09:54 AM posted to rec.aviation.soaring
Ian Johnston
external usenet poster
 
Posts: 8
Default Are Weak Links really Necessary for Aero Tow?

On Sat, 16 Sep 2006 20:32:50 UTC, "Doug Haluza"
wrote:

: 1/4" poly rope is between 1000 and 1200 lbs breaking strength when new,
: not 1/2" which is much too strong.

If by "poly" you mean polyester, those numbers seem a bit low. For
their prestreched stuff, Marlow quote average breaking loads of 2584lb
for 6mm and 7826lb for 12mm.

http://www.marlowropes.com/public/pa...fm?page_id=130

Ian
--