Recent content by jetman

Hi Chris, haha another rocketeer on the forum..cool For my cert 2, used pml Quantum, with lots of couplers inside.was stiffer. The fins wer 3/16 ply sanded/painted and bolted to aluminum brackets..BUT the PML lower scratch built fincan was sleeved with the white pvc sewer pipe...this way the...

Hello, I design high powered rockets in our Tripoli rocket club. A particular plastic type of tube used is the Quantum 3.9 in dia plastic (sewer pipe) it is a thin wall design. http://www.publicmissiles.com/ They state that this basic tube is good for just .86 mach for compression loads...