Kevlar Shock Cord

[powderburner]

Originally posted by Micromister
. . so I switched the Kevlar location to the OUTSIDE centering ring/ bodytube joint. No additional burnoffs have been seen.

Why would anybody want to locate the tether cord right next to the 'fire' in the first place? Kind of makes you wonder if they like to complain about roasted/severed anchor lines?

 

[wwattles]

I experimented with a strange product called "Kevlar Elastic" this past weekend. It appears to be an elastic band (maybe just the rubber portion of elastic) inside a piece of braided tubular kevlar. It has all the elasticity of standard flat elastic, with all the heat flash resistance of kevlar. Specifically, I used it in a rocket with a very large amount of noseweight that I didn't want to have jerk against a non-stretchy 120-lb kevlar shock cord.
It worked beautifully - no scorches, and no signs of damage to the motor mount, the cord, or the nosecone connection.

WW

 

[shreadvector]

has anyone posted this useful link? (I have not read all the messages here - yet)

https://saunders-thread.com/spec-kevlar-p.html