Originally Posted by n7ly

On Jan 9, 12:07*pm, Timinnc
wrote:
Sorry guys, can't find the answer via search, but what is a
parallelogram stick?

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Timinnc

There is a flying quality called stick force per G. A parallelogram
helps keep a person's hand and arm from decreasing the fore and aft
stick forces with +-g loads. This is not the only factor involved with
stick force, by a long shot.