Ping Pong Parachute Bottle Rocket Launcher
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Robust air bottle rocket launcher for 2027 Science Olympiad Ping Pong Parachute event. In active development.
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Updated at source:
Model information
- Source
- Printables
- Category
- Engineering
- License
- Open Community License v1.1 + GAtt v1 + Micro v1
Marimo Laboratories Ping Pong Parachute Launcher (P3L) for Indoor Air Bottle Rockets intended for the Science Olympiad event. No official affiliation or endorsement.
Version 0.02 with some v0.03 parts
Cambridge, MA USA
Open Community License v1.1 - GAtt v1 - Micro v1
Ping Pong Parachute Launcher (P3L)
Early public beta. No guarantees for anything and documentation is sketchy. Be careful. Please read the disclaimer at the bottom of this page. Based on the Marimo Labs Water Rocket Launcher.
Build Instructions and Parts List
See Article here: Ping Pong Parachute Launcher v0.02 Build Instructions
Questions?
Please head over to the Article where the most updated discussion will be.
Safety Disclaimer
This launcher design is an experimental work in progress and may change without notice. It is not a toy. Pressurized systems are inherently dangerous.
Pressurize to no more than 60 psi, using a standing bicycle pump with a gauge. Never use a compressor, CO2 or other gases.
Everyone must stay at least 10 feet from the pressurized bottle, including the person pumping and the person triggering.
Never point the launcher at anyone or anything. Never put any part of your body above a pressurized bottle: assume it may release unexpectedly.
Use only carbonated-beverage bottles with the standard PCO-1881 neck (17 mm, the most common in the US). Retire bottles that are scuffed, dented or creased.
Everyone nearby must wear impact-rated eye protection.
Set the launcher on a level, stable surface, or on a tripod with the recommended mount.
To abort launch and depressurize, first disconnect your long air hose extension from the pump. If this does not depressurize (due to a valve in your long extension), disconnect the long extension from the short extension at the launcher, where you previously removed the valve core.
Heat can deform printed parts. Do not store in a hot car or direct sun. Inspect all parts before every use.
Ages 14+ to operate, with adult supervision always required.
Changelog
2026-11-11: Added Valve-and-Wire-Tool_v003, deprecated Schrader-Valve-Tool.
2026-11-01: Core Extension v0.03 uploaded. Optional. Targeting dimensional match of SciOly STL for NERDS launcher retrofit.
2026-10-24: Cores updated to v0.03 of Core17S. PPP rules specify a "standard neck height from flange to bottle's opening of under 1.6 cm" which is measured to the near side (bottom side, in rocket orientation). This corresponds to the standard PCO-1881 Bottle Neck Finish commonly used in the US. Since the rules exclude longer necks (older PCO-1810 21mm), compatibility with longer necks can be excluded for P3L. Retaining ring is no longer needed on v0.03.
2026-10-20: v0.02 posted