center of gravity

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    General Testing Cg On A Warbird

    I'm setting up my first low-wing plane that has retracts. I know that low-wing planes have to be CG tested when inverted; my question is this: Should the gear be down or retracted when I do the CG test?
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    General Weights Used To Address Cg Issues

    I have a bunch of fishing sinkers in various sizes / weights. I'm wondering if there's any reason why I couldn't use them to adjust for a CG issue. If they'd be suitable, what ideas do you have for installing them? Thoughts?
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