Jim Gazur flew the cluster model twice, once with B6-4s, and the second time with the B14s. The model carried a Pnut altimeter on both. The device measured 534' feet on both flights. Jim says it just took the second flight half as long to get there!

__________________
Just remember...G. Harry Stine's first ever model rocket was an RTF !

Check out my wonderful model rocketry blog here:
https://castlerocketeer.blogspot.com/