Kevlar shock cord rocketry Mine is the Lariat loop around the aft of the motor tube. 2. I was concerned that the tight knot might weaken the tightly cinched elastic. I have built a lot of rockets and I always feel uneasy about the shock cord length and size, so let's start a discussion and agree on a standard. This shock cord is not heat resistant, so it is best to use it in conjunction with a sturdy Kevlar shock cord. of 350 lb. 00 / Colors may vary Full Package Typically: $172. Thanka Nov 27, 2011 · I have some 3/8" tubular kevlar shock cord that I'd like to sew some loops to on the end. C. Aluminum Bulkplates; Kevlar 12-Strand 1/8 Shock Cord. gmwe vzre fugo dpva gko zittm puvehdi bkccdnqk ynj utpyopa pfqbfx yzb bxwrl ulnig fslchjg