CH-640 Fuselage rear fuselage floor sub-assembly (3 of 47)


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Measure out 250 mm from center line toward each side, then measure from the 1740 mm mark another 620 mm and mark the center line. Measure out 250 mm from center line toward each side again at this mark. Connect all your marks to create a box. Now to create the 50mm radius at each corner measure in from corner 50mm on each side then use a square to extend that mark to the inside of hte box. Set a protractor to 50 mm and put on point on the spot where the two lines intersect and mark the 50 mm radius.
Measure out 250 mm from center line toward each side, then measure from the 1740 mm mark another 620 mm and mark the center line. Measure out 250 mm from center line toward each side again at this mark. Connect all your marks to create a box. Now to create the 50mm radius at each corner measure in from corner 50mm on each side then use a square to extend that mark to the inside of hte box. Set a protractor to 50 mm and put on point on the spot where the two lines intersect and mark the 50 mm radius.


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