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Scratch - Why Not? Scratch
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Reviews
- Scratch Why Not? By John Chapman
(by John Chapman - 08/24/05) Brief: This is an 18mm engine altitude rocket with "Hillary Duff" graphics, built with my daughter to interest her in rocketry. Construction: The BT50 based design has elliptical fins for efficiency, giving good altitude for schoolyard launches on smaller engines. Its light construction gives good parachute duration. Finally, the hot pink ...
Rocksim Design Files
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