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New Products [more]
Payloader One Model Rocket Kit
$16.14 $15.33
Save: 5% off
Save: 5% off
BT-20 Centering Rings
Centering Rings for BT-20 body tubes and motor tubes
CR520
Centering Ring - BT-5 in BT-20 (18mm Thrust Ring)
A paper centering ring for centering a BT-5 (13mm motor tube) in a standard BT-20 body tube. This is also used as an 18mm motor thrust ring or engine...
Model: CR520
98 Units in Stock
$0.25
In Stock: 98
CR2050-L
Centering Ring - BT-20 in BT-50 (Long)
A one-inch long thick paper coupler which can be used to center a standard BT-20 body tube in a BT-50 tube.
Model: CR2050-L
10 Units in Stock
$0.39
In Stock: 10
CR2055
Centering Ring - BT-20 in BT-55 - Model Rocket Part
A fiber centering ring for centering a BT-20 (18mm motor tube) inside a standard BT-55 tube.
Model: CR2055
28 Units in Stock
$0.25
In Stock: 28
CR2060
Centering Ring - BT-20 in BT-60 - Model Rocket Part
A fiber centering ring for centering a BT-20 (18mm motor tube) in a standard BT-60 body tube.
Model: CR2060
17 Units in Stock
$0.30
In Stock: 17
CR2070
Centering Ring - BT-20 in BT-70 - Model Rocket Part
A fiber centering ring for centering a BT-20 (18mm motor tube) in a standard BT-70 body tube.
Model: CR2070
31 Units in Stock
$0.35
In Stock: 31
CR2080
Centering Ring - BT-20 in BT-80 - Model Rocket Part
A fiber centering ring for centering a BT-20 (18mm motor tube) in a standard BT-80 body tube.
Model: CR2080
42 Units in Stock
$0.45
In Stock: 42
PCR2055
Centering Ring - BT-20 in BT-55 (Plywood)
This light plywood centering ring centers a standard BT-20 body tube in a BT-55 tube.
Model: PCR2055
10 Units in Stock
$0.35
In Stock: 10
CR2050
Centering Ring - BT-20 in BT-50 (24mm Thrust Ring)
This is a standard paper centering ring for centering a BT-20 (18mm motor) tube in a BT-50 tube. This part is often used to create an 18mm motor...
Model: CR2050
0 Units in Stock
$0.25
... more infoIn Stock: 0