Hi rwilke, The chutes gain there arch when all the lines are pulled together at the riser... I do have some used chutes that i may be willing to work with you on.. Do you have a certain line length you need to work with?? I just worked with a group at our University here on a project trying to control the recovery of the electronic equipment and ballon for an air quality testing program.. The problem was getting the chute to deploy without tangling with the ballon... It worked great when it did open and with the GPS system i was able to bring it back to within 300 to 400 yds of us each time...
This chute is complete with lines.. Used with a 3 to 4 lb jumper..
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