File:Rocket grain shape.jpg
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Rocket_grain_shape.jpg (283 × 272 pixels, file size: 17 KB, MIME type: image/jpeg)
The typical star shape of a rocket motor's solid propellant. It contains 10-15% of a rubbery material, commonly referred to as HTPB.
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current | 23:17, 7 April 2023 | 283 × 272 (17 KB) | Antonio di Biase (talk | contribs) |
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