A little simple math - for what its worth.......

[Andy Greene]

A 2.6 Diameter Estes PS II Nike Smoke @ 500mph vertically down will leave an approximately 3 inch x 30 inch deep hole.
Oh yeah, and not much left- I did manage to find both rail buttons and I will re use them
Carry on .......................
(feel free to move this to that guys thread about lawn darts- but if you do until today I never had one and hold him responsible monetarily because I read his thread last night )

 

[Bat-mite]

Oh, the humanity!

 

[Steve Shannon]

As my friend, Dale Emery, says, “Old rockets never die; they just get shorter.”

 

[Bat-mite]

As my friend, Dale Emery, says, “Old rockets never die; they just get shorter.”

And less stable ....