Semroc Centering Rings Fiber ST-7 to BT-55(2 pieces set with engine hook slot) SEM-CR-7-55EH
Laser-cut fiber rings which center an ST-7 motor tube inside a BT-55 tube
Especially useful for making a standard engine mount for BT-55 rocket bodies
Requires one set of two rings per engine mount
Thickness is 0.05"
ID= 0.759"
OD= 1.283"
Semroc Centering Rings Fiber ST-7 to ST-9 with Engine Hook Slot(2pk) SEM-CR-7-9EH laser-cut fiber rings which center a ST-7 motor tube inside a ST-9 tube
Semroc Centering Rings Fiber ST-7 to BT-20(2 pieces set with engine hook slot) SEM-CR-7-20EH Laser-cut fiber rings which center an ST-7 motor tube inside an ST-20 tube
Semroc Centering Rings Fiber ST-7 to BT-55(2pk) SEM-CR-7-55 Laser-cut fiber rings which center a ST-7 motor tube inside a BT-55 tube
Semroc Centering Rings Fiber ST-7 to ST-9 with Engine Hook Slot(2pk) SEM-CR-7-9EH laser…
Semroc Centering Rings Fiber ST-7 to BT-20(2 pieces set with engine hook slot) SEM-CR-7-…
Semroc Centering Rings Fiber ST-7 to BT-55(2pk) SEM-CR-7-55 Laser-cut fiber rings…
