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Apogee Components
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Airframe Couplers

Airframe couplers (also called tube couplers, connectors or joiners) are used to join tubes of equal size to make a longer rocket. These couplers are hollow to allow air to flow through them.


Part Name

P/N

Qty/
pack

Price

Place Order

I.D.
(inch)

O.D.
(inch)

Length
(inch)

Wt. (g)

Material

Airframe Coupler AC-13B
(Fits BT-5 tubes)

13014

3

$1.51

.476

.510

2.00

.72

Red Paper

Airframe Coupler AC-18B
(Fits BT-20 tubes)

13015

3

$1.61

.656

.700

1.5

.73

Red Paper

Airframe Coupler AC-24B
(Fits BT-50 tubes)

13009

3

$1.72

.911

.936

1.50

1.5

Red Paper

Airframe Coupler AC-29A

13010

3

$1.87

1.098

1.134

2.5

2.25

Red Paper

Airframe Coupler AC-33
(Fits BT-55 tubes)

13017

3

$2.17

1.25

1.28

2.75

2.4

Red Paper
Airframe Coupler AC-41.6
(Fits BT-60 tubes)
13080
4
$3.49
1.55
1.59
2.00
2.50
Brown Paper

Airframe Coupler AC-56A
(Fits BT-70 tubes)

13043

2

$2.34

2.114

2.174

4.0

11.8

Red Paper

Airframe Coupler AC-66A
(Fits BT-80 tubes)

13045

2

$2.55

2.486

2.554

4.0

19

Red Paper
Looking for couplers for your high-power project? Visit our Blue Tube Coupler or LOC Tube Coupler pages!

Rings-O-Plenty Package Deal

Rings-O-Plenty

P/N: 09521

Are you looking for a bulk assortment of couplers, rings and launch lugs? Check out the Rings-O-Plenty deal. It is enough for a whole fleet of rockets.

Rings-O-Plenty bulk pak


Frequently Asked Questions
Q. Can Airframe Couplers be blocked off and used to make payload bays for small rockets?
A. Yes. See our free YouTube video that will show you the steps to make your own payload bay from the tube couplers shown on this page. If you are on a budget, this is a much cheaper way to make them versus using a balsa nose block.

Other items that people have found useful:
Balsa Nose Blocks

Balsa Nose Blocks, also known as solid bulkheads or tube connectors are used to make payload bays for model rockets. They block off the air flowing through the tube, protecting the delicate payload from the heat of the ejection charge. All you need is a screw eye to attach the shock cord or parachute, and you're ready to go.

Balsa Nose Blocks
Tube Couplers For Large Diameter Rockets

Want to make your own long rockets from the LOC Precision body tubes? You'll need a tube coupler to splice the tubes together and join them to make a long tube. These are from ordinary kraft paper, so they are easy to work with and are a lot cheaper than couplers from exotic materials.

Tube Couplers for High Power Rockets

Blue Couplers - To go along with the Blue Tubes, here are the couplers that can join them together to make longer rockets. These will also fit the standard size LOC tubes, and those other high power manufacturers that make the tubes to standard sizes.

Do you want tips for making dazzling rockets from your parts?
Video Book Collection
Having Apogee's quality parts to work with is only one piece of the puzzle in making a stunning rocket. Now you need techniques and skills for assembling them into an eye-popping model. Our videos can show you the procedures and methods the experts use when they build rockets. Don't you want your rockets to be the center of attention?
Check out our video collection (click here).

Actual Customer Comment:

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--Andrew P.

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Apogee Components, Inc.
3355 Fillmore Ridge Hts.
Colorado Springs, CO 80907 USA
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This page last updated on: 02/1/10