Calculate the flat form of a flight of screw conveyor | SolidWorks Share

This video shows how to Calculate the flat form of a flight of screw conveyor
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[@Mechtrick]

Very good

[@AdvancedSpiral]

I hate to burst your bubble but the correct flat pattern size is 158.95 for the outside radius and 68.95 for the inside radius. The split angle to make an exact 360 degree flight would be 52.1 degrees.
If SolidWorks have any interest about discussing the possibility of getting these calculations correct in the future please feel free to reach out to me.