Quote:
Originally Posted by troypiggo
I've gently twisted the secondary vanes to see the effect. The hot dots do come into align sometimes (depending on where they were). But if I back off the screws to manually rotate the secondary, it jumps too far and I have to start again.
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Yes, that's why I used the washers. They allow the secondary holder to rotate even when the alignment screws are fairly tight. Also, I've heard that the marks worn into the back of the secondary holder by the screws can prevent you from getting the right degree of rotation.