Model Rocket Parts

The Estes NC-20 Nose Cone Assortment includes 4 plastic nose cones (2 - NC-20A and 2 - NC-20Y) that fit BT20 (0.736 diameter) body tubes. The Estes NC-20A nose cone is used in these kits - Big Yank, Ninja, Viking, Courier, Mini-Patriot, Hi-Flier, etc...

This Custom Rocket Company plastic injection-molded nose cone is made to fit a BT-50 size body tube. Great for cloning, scratch building and repairs! Specifications: Length: 2.615" Diameter: 0.976" Weight: 0.265 oz Material:...

This Custom Rocket Company BT50 payload adapter is designed to fit into the Custom BT50 payload tube. The part is made out of injection molded plastic and a has hole on one end for the screw eye. Specifications: Outside Diameter: 0.949" Length: 1...

This Custom Rocket Company BT50 clear red payload tube is a great way to add a payload bay to a model rocket that has a BT50 size body tube. It's designed to be used with the Custom BT50 payload adapter or a BT50 balsa bulkhead...

This BT80TC x .125 Lite Ply Bulkhead Assembly is used for adding a payload section to a model rocket. The bulkhead is sized to fit inside Sunward BT80 tube couplers. Comes with a bulkhead plate, threaded screw eye bolt, nut and two washers. Coupler ...

This BT56 x 2 Tube Coupler is used for multi-staging and joining BT56 (1.346 diameter) body tubes. Direct replacement part for Estes, Sunward and other similarly sized model rockets. Grid spacing in photo is 1/2.

This BT55TC x .125 Lite Ply Bulkhead Assembly is used for adding a payload section to a model rocket. The bulkhead is sized to fit inside Sunward BT55 tube couplers. Comes with a bulkhead plate, threaded screw eye bolt, nut and two washers. Coupler ...

The Balsa Machining Service 20/60 centering rings are used to center a BT20 tube (0.736 diameter) into a BT60 (1.637 diameter) body tube. Great for cloning, scratchbuilding and repairs! Made in the USA.

The Balsa Machining Service 20/55 centering rings are used to center a BT20 tube (0.736 diameter) into a BT55 (1.325 diameter) body tube. Great for cloning, scratchbuilding and repairs! Made in the USA.

The Qualman Rocketry CR5080 centering rings come in an 2 pack and are used to center a BT50 tube (0.976 diameter) into a BT80 (2.600 diameter) body tube. They are precision laser cut from heavy gauge cardstock. Great for cloning, scratch building and...

The Custom CD 20-55 centering rings are precision die-cut discs that center an 18 mm (BT20) tube into a BT55 body tube. Comes in a 10 pack. Great for cloning, scratchbuilding and repairs!

Allows you to convert almost any BT70 based model rocket to 2 x 18mm cluster flights!Laser cut lite ply centering rings and motor hooks for each tube.

Plastic injection-molded nose cone to fit BT-20 size model rocket body tubes. Plastic cement required to join top and bottom piece. Actual color of the nose cone may vary from photo.

Plastic injection-molded nose cone to fit BT-20 size model rocket body tubes. Plastic cement required to join top and bottom piece. Actual color of the nose cone may vary from photo.

The Qualman Rocketry CR6080 centering rings come in a 2 pack and are used to center a BT60 tube (1.637 diameter) into a BT80 body tube. They are precision laser cut from heavy gauge cardstock. You can also double up them for extra strength. Great for...

The Qualman Rocketry CR5570 centering rings come in a 4 pack and are used to center a BT55 tube (1.325 diameter) into a BT70 body tube. They are precision laser cut from heavy gauge cardstock. You can also double up them for extra strength. Great for...