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Old 12-17-2021, 01:56 PM
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Winston2021 Winston2021 is offline
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Join Date: May 2021
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I have an Estes Big Daddy Rocksim file that I got from somewhere and one that I long ago modified with the base drag virtual cone. Just ran some sims:

Loaded with D12-5 - 0.38 stability factor
With virtual cone & loaded with D12-5 - 1.02 stability factor

Considering how close the latter is to the rule of thumb 1.0, perhaps even Estes uses the virtual cone method to create a safe design without specifying a lot of unnecessary nose weight.
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