Sirangelo showing video of latest SS2 flight. Exhaust plume from hybrid rocket still looks like a tire fire. They did put it out, though.
2 thoughts on “Sierra Nevada”
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Sirangelo showing video of latest SS2 flight. Exhaust plume from hybrid rocket still looks like a tire fire. They did put it out, though.
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The standard hybrid problem of uncontrolled mixture ratio…
The motor is running really rich, I like your descrioton of a tire fire 😉 as bad as it looks that problem can be fixed by putting in a proper biprop.
I thought the un commanded roll oscillation looked more worrisome. It looked like it was some aero elastic flexing of the pivoting feather booms… that could get out of hand quickly…
Paul, I agree, the roll oscillation is of greater concern to me as well.