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Mad Stab: Chain Drive[]

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Chain drive mad stab as developed by Paige Anderson on his "Flow "design.

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The chain drive Mad stab uses a small gear and a section of plastic chain... taking the place of stab horns or pulley.

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Another view of the gear installed on the stab pivot spar

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Here you can see the gear, small piece of chain, and pull-pull cables

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An example of a standard pull-pull setup on the servo side

Another variation of the pull-pull mad linkage setup uses a section of plastic chain, a gear fixed to the stab pivot spar, and standard pull-pull cables and horn on the servo side. As with the pulley system, the chain drive can rotate the stab a full 180° or more!

The chain drive has been experimented with by a number of pilots with various levels of success. However Paige Anderson, of Future Slope Designs, has refined the setup to a point where he includes the system in some of his slope glider kits... most notably the Flow . Paige has show in numerous videos that gliders utilizing a chain drive system will do single and multiple flips... backwards and forwards. He has put together a number of "how to" videos ... including how to install a chain drive  in a "Flow."

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