Cluster Rings
Cluster Centering rings are used to keep several motor tubes properly nested within the airframe tube.
Here you will find cluster rings for larger motor tubes (29mm and 38mm). We offer centering rings for low, mid and high-power rockets, you can change your selection by clicking buttons below.
We can also cut custom cluster rings, let us know what you need. Turn-around time on the special order rings is usually 2 days.
Here you will find cluster rings for larger motor tubes (29mm and 38mm). We offer centering rings for low, mid and high-power rockets, you can change your selection by clicking buttons below.
We can also cut custom cluster rings, let us know what you need. Turn-around time on the special order rings is usually 2 days.
 Thrust Rings |
 Smaller Centering Rings |
 Larger Centering Rings (>=29mm) |
 Back to all Centering Rings |
 Back to Build Supplies |
4.0 - 3 x 38mm(T) Centering Ring
4"/98mm Cluster Centering Ring for three 38mm motor tubes. 1/4" plywood. Fits into any 4" cardboard airframe. Works best with Rocketarium 38mm(T) and...
4.0 - 3 x 38mm(P) Centering Ring
4"/98mm Cluster Centering Ring for three 38mm motor tubes. 1/4" plywood. Fits into phenolic 4" airframe. Works best with PML phenolic 38mm Tube -...
4.0 - 3 x 38mm(S) Centering Ring
4"/98mm Cluster Centering Ring for three 38mm motor tubes. 1/4" plywood. Fits into any 4" cardboard airframe. Works best with Rocketarium 38mm (S),...