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Scratch - BottleBat 3.0 Scratch
| Manufacturer: | Scratch |
| Product Type: | Scratch |
Reviews
- Scratch BottleBat 3.0 By Larry Brand
( Contributed - by Larry Brand - 05/23/06) Brief: I have scaled down the "BottleBat" tubefin rocket I presented a few of months ago in Sport Rocketry magazine from 4" diameter to 3" diameter. This allows it to be constructed from the more available 3" postal mailing tubes. Cost is well under 10 dollars for a L1 capable sport rocket that goes together in a ...
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