How is the real one done?
Perhaps you could use a 'bent' rod (think of Steve Martin's arrow through the head prop) so the rod doesn't pass straight through. Alternatively, you might use a rod attached to a flattened lever that is embedded in the shell wall. Just wondering how the real thing is engineered? Although "weightless" the arrays are not massless, and can develop some torque and leverage against the mounting, hence the need for a sturdy connection to resist acceleration. No chewing gum mounting there!
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