Extremely anemic thrust from the motor....it provided less than half the usual boost to this particular model (which was on its 50th flight). This right after another motor from the same date code blew half its propellant out in a fireball (already reported).
Have more motors
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Motor burn time seemed about normal for A10 - but after the initial spike of thrust it barely kept the model flying. I have seen this from other motors from this same date code, though this is the first time I've reported it.