Originally Posted by snaquin

Yep, for a cluster of 4 C5-3's you're into shread a chute - zipper a tube territory. However on two C5-3's with two tubes plugged it's pretty good. Would be a cool flight with nice flame.

I didn't realize these Quest Advanced Kits were so light! For a 2" diameter rocket about 32" long it's a decent sized model rocket but only weighs a bit over 6 oz. I ran the Apogee sim file with four C12-8 and four D16-8 and it's pretty good on those ...