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Defeated by Orthogonality
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12-01-2010, 05:23 PM
Merlin66
(Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
Roger,
I see from your images that you didn't put a clamp plate across the Dec arms ( to keep them roughly aligned and parallel).
IMHO this helps to stop them "twisting" relative to each other.
Merlin66
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