Sizing the container, and release methods. should be at the wishes of a competent chute builder.
Packing it too tight will be the cause of many failures.
A chute builder with mostly drag strip experience may fail to realize the moisture the chute will absorb after the first use and it expands dramatically.
A clean chute that fits just right, or even a dirty one, will work where a wet one is just too tight.
When the panels are wet, they are also lazy to deploy and the material design selection is compromised because the material will allow a measured percentage of air through it and if it is wet, all bets are off..
Find out about you chute and recognize you must care for it as if your future depends on it.
A guy most of us know, used a 16 foot ring slot on a tiny 200mph roadster.
It was so big, we commented that with a head wind, it would back him up.
He took a shower with it every night and it was for sure clean and dry before he loaded it up himself.