Thrust Rings

Thrust rings or engine blocks are glued inside the motor mount and prevent motors from going forwards. Model rocket motors with a thrust ring (such as Aerotech motors) do not require an engine block installed in the rocket. Motors without a thrust ring (such as Estes A/B/C/D/E) require a motor block installed in the rocket.

We offer centering rings for low, mid and high-power rockets, you can change your selection by clicking buttons below.

All Centering and Thrust Rings
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Centering Rings
Smaller Motor Tubes
Smaller Centering Rings
Larger Motor Tubes
Larger Centering Rings (>=29mm)
Cluster Rings
Cluster Rings
Back to Build Supplies
Back to Build
Supplies

BT5 Thrust Ring. 5 Pack

5 Engine Blocks for Mini Engines. Fits BT-5 Tube.
$1.00

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BT20 Thrust Ring. 6 Pack

6 Engine Blocks for Standard Engines. Fits BT-20 Tube. Engine Block or Thrust Ring is used to position the engine in the engine tube.
$1.50

Add to Cart


BT50 (24mm) Thrust Ring. 6 Pack

6 Engine Blocks for 24 mm Engine Mount. Fits BT-50 Tube. Engine Block or Thrust Ring is used to position the engine in the engine tube.
$1.55

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29mm Thrust Ring. 5 Pack

5 Kraft paper Thrust Rings Dimensions: 1.124" O.D. 1.02" I.D. 0.625" long Weight: 1.5g
$2.00

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