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Launchable Harpoon Model Rocket, 18mm Motors 3D Printer File Image 1
Launchable Harpoon Model Rocket, 18mm Motors 3D Printer File Image 2
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Launchable Harpoon Model Rocket, 18mm Motors 3D Printer File Thumbnail 1
Launchable Harpoon Model Rocket, 18mm Motors 3D Printer File Thumbnail 2
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Launchable Harpoon Model Rocket, 18mm Motors 3D Printer File Thumbnail 6

Launchable Harpoon Model Rocket, 18mm Motors

Carini'sLumpyHead avatarCarini'sLumpyHead

March 10, 2026

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Description

Disclaimer

 

This project, including all 3D models, documentation, and associated information, is provided for informational and educational purposes only. It represents an experimental design and has not been certified, tested, or verified for safety, reliability, or compliance with any standards.

Building, modifying, or operating model rockets involves significant risks, including but not limited to property damage, personal injury, or death. This project is intended for experienced users only.

By using these files or any related information, you acknowledge and agree that you do so entirely at your own risk. The author makes no warranties, express or implied, and assumes no responsibility or liability for any damage, injury, loss, legal consequences, or other issues arising from the use, misuse, construction, modification, or operation of this design.

Users are solely responsible for ensuring that any use of this project complies with all applicable laws, regulations, and safety guidelines in their jurisdiction.

 

Launchable model rocket, based on the Harpoon missile. 
Fits Estes 18mm rocket motors (A,B,C).

Approx. 780ft on a B6 motor, 1500ft on a C6

DO NOT CHANGE INFILL. 100% INFILL REQUIRED TO MAINTAIN CP/CG AND FLIGHT STABILITY

Assembly guide is for my Phoenix model, but it's essentially the same.

Boost Me

License:

Standard Digital File License

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