Apogee shock cord Attach the parachute's snap swivel to the loop and you are ready to go! With the parachute tied on 1/3 the way down the shock cord, your rocket will fall in three separate parts, all tethered together by the shock cord. R. Tri-Fold shock cord mount is bulky, es-pecially in BT-5, 20 or 50 sized tubes. assuming: V_drogue deployment = 60 m/s Feb 3, 2024 · Tubular nylon is a cheaper alternative to Kevlar® for shock cords. That much strength is not needed but it's easy to work with and not much of anything is actually lighter. This will allow excess material to tie the knots with. May 9, 2015 · 1. im a very impatient person lol May 27, 2018 · Apogee Payload Altitude Rocket Build, Part 6, Shock Cord and Parachute The Kevlar shock cord is glued into a tri-fold mount. It isn't nearly as strong, but it is softer and has less of a tendency to zipper a body tube. Aug 2, 2009 · Yes, there are general rules of thumb or guide lines for shock cord lengths. zmeyxqefsorpyhaafvexvtolpdsawisavtlnobrkwuroonrguoxaibuifruqtusgjfrsetl