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Old 30-12-2019, 08:43 PM
gb44 (Glenn)
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gb44 is offline
 
Join Date: Jul 2012
Location: Gold Coast
Posts: 316
Good job CP. Its quite a way up the tube isnt it. Can you still get good tube balance - may need weight attached to the tube.

You could draw a ray diagram and check the size of the secondary. The secondary should be oversized and not undersize.

Cheers
GlennB
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