Larger Centering Rings >=29mm

Centering rings are used to keep a motor tube nested within the airframe tube.

Here you will find centering rings for larger motor tubes (29mm and bigger). We offer centering rings for low, mid and high-power rockets, you can change your selection by clicking buttons below.

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Supplies

4.0 - 1.6 Centering Ring

4.0" - 1.6" (4" - 38 mm) centering ring holds 38mm motor tube inside 4" airframe. 1/4" plywood. Fits into any 4" airframe. Works best with Blue Tube, Madcow Paper and Fiberglass, LOC Paper and Phenolic 38mm motor tube. (1.625 - 1.635" motor tube OD) Please see next item for same ring cut for...
$3.50

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4.0 - 1.6 (P) Centering Ring

4.0" - 1.6" (4" - 38 mm) centering ring holds 38mm motor tube inside 4" airframe. 1/4" plywood. Fits into any 4" airframe. Works best with PML and GLR phenolic, Hawk Mt and LOC fiberglass 38mm motor tube. (1.65" motor tube OD) Please see previous item for same ring cut for different 38mm tubes.
$3.50

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2.6 - 2.2 Centering Ring

2.6" - 2.2" (2.6" - 54 mm) centering ring holds 54mm motor tube inside 2.6" airframe. 1/4" plywood. Fits into any 2.6" airframe including BT-80 tube. Works best with Madcow kraft, GLR fiberglass, some LOC Paper 54mm motor tubes. (2.23-2.24" motor tube OD) Please see next item for same ring cut for...
$2.75

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2.6 - 2.2 (P) Centering Ring

2.6" - 2.2" (2.6" - 54 mm) centering ring holds 54mm motor tube inside 2.6" airframe. 1/4" plywood. Fits into any 2.6" airframe including BT-80 tube. Works best with PML and GLR phenolic, Madcow, Hawk Mt and Performance Rocketry fiberglass 54mm motor tube.(2.26-2.27" motor tube OD) Please see...
$2.75

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3.0 - 2.2 Centering Ring

3.0" - 2.2" (3" - 54 mm) centering ring holds 54mm motor tube inside 3" airframe. 1/4" plywood. Fits into any 3" airframe. Works best with Madcow kraft, GLR fiberglass, some LOC Paper 54mm motor tubes. (2.23-2.24" motor tube OD) Please see next item for same ring cut for different 54 motor tubes
$2.95

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3.0 - 2.2 (P) Centering Ring

3.0" - 2.2" (3" - 54 mm) centering ring holds 54mm motor tube inside 3" airframe. 1/4" plywood. Fits into any 3" airframe. Works best with PML and GLR phenolic, Hawk Mt and Performance Rocketry fiberglass 54mm motor tube. Please see previous item for same ring cut for different 54 motor tubes
$2.95

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4.0 - 2.2 Centering Ring

4.0" - 2.2" (4" - 54 mm) centering ring holds 54mm motor tube inside 4" airframe. 1/4" plywood. Fits into any 4" airframe. Works best with Blue Tube, LOC/Precision and Madcow paper 54mm motor tube.
$3.50

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4.0 - 2.2 (P) Centering Ring

4.0" - 2.2" (4" - 54 mm) centering ring holds 54mm motor tube inside 4" airframe. 1/4" plywood. Fits into any 4" airframe. Works best with PML and GLR phenolic, Hawk Mt and Performance Rocketry fiberglass 54mm motor tube.
$3.50

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4.0 - 3.0 Centering Ring

4.0" - 3" (4" - 75 mm) centering ring holds 75mm motor tube inside 4" airframe. 1/4" plywood. Fits into any 4" airframe. Works best with Madcow paper, Performance Rocketry fiberglass, Quantum tubing 75mm tubes. (3.0 - 3.12" motor tube OD) Please see next item for same ring cut for different 3"...
$3.50

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4.0 - 3.0 (P) Centering Ring

4.0" - 3" (4" - 75 mm) centering ring holds 75mm motor tube inside 4" airframe. 1/4" plywood. Fits into any 4" airframe. Works best with PML and GLR phenolic, Hawk Mt and Performance Rocketry fiberglass, LOC paper, semroc paper 75mm motor tube. (3.15 - 3.25" motor tube OD) Please see previous item...
$3.50

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