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Originally Posted by ving
hi rob,
with the ap mask you made try cutting 3 more 80mm holes and see what that does. you could run with 1 to 4 holes depending on what seeing would allow  |
I think you would then be re-introducing a central obstruction. I did think
about increasing area by changing the shape of the mask to fit the area.
Kinda like a trunicated quarter circle. However this is an extreme shape
far removed from being a circle.
regards,CS