CH-640 Fuselage Cabin floor sub-assembly (8 of 18)


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Now mark the rivet locations on the longerons. measure from front of skin 270mm. Mark for A5 P30 to 540mm. Measure from front 600mm and mark A5 P30 to 750mm. Measure from front 810mm and mark A5 P30 to 930mm. Measure from front to 1020mm and mark A5 P30 to 1170mm. We do this so that we do not drill holes in the locations that will have crossing parts on the other side of the skin.
Now mark the rivet locations on the longerons. measure from front of skin 270mm. Mark for A5 P30 to 540mm. Measure from front 600mm and mark A5 P30 to 750mm. Measure from front 810mm and mark A5 P30 to 930mm. Measure from front to 1020mm and mark A5 P30 to 1170mm. We do this so that we do not drill holes in the locations that will have crossing parts on the other side of the skin.


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