I like that tape loop "shock absorber" idea on the cord. Seems like a good way to dissipate energy instead of elastic storing it for the dreaded "snapp back" with the cone bashing into the tube for a nice "Estes Dent"

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When in doubt, WHACK the GAS and DITCH the brake !!!

Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't !
Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY.
ALL systems are GO for MAYHEM, CHAOS, TURMOIL, FIASCOS, and HAVOC !