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Scratch - Air Pressure Rocket Scratch
| Manufacturer: | Scratch |
| Product Type: | Scratch |
| Style: | Other |
Reviews
- Scratch Air Pressure Rocket By Matt Gillard (August 4, 2009)
There are several air pressure rockets on the market that either use an air chamber that you pressurize by a hand or foot pump and the rocket fires by a release mechanism or allows pressure to build up until it overcomes the friction holding the rocket on the launcher. This one is a variation on this idea. A foot pump builds the pressure inside some copper tubes and is then released via a ball ...
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