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Thank you sooooo much for the 3D work & printable files. This is why I purchased a 3d printer in the first place: to rebuild this rocket!!! I had this rocket when I was a teenager, and got rid of my rockets after college........what a huge mistake. I bought the big Creality CR-10 S5 printer so I...

I was reconsidering the issue, and maybe just clustering d12's. If I don't cluster, will one Aerotech E14 or E20 be enough to lift that rocket?

Can I use my Estes Pro Series II launcher with the Aerotech motors? Will it have enough power for those igniters?

so, if an Aerotech "E" motor is th esame size as an estes "D" motor, can I use the stock estes engine tube & meta clip? or do I have to use something else?

Did you use an estes F engine? Did you also move the motor mount more toward the rear of the rocket? How high did it go on an F engine?

Thank you for that important info.

Hi, I'm new to the forum, but not rocketry. I'm a BAR, and after watching a friends stock Estees Saturn V crash without chute deployment on a D12-3, I wanted to get one & modify it for a successful launch. His rocket barely hit 80 feet, went horizontal & crashed. I know I'll have to replace...