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CH650B - W&B Datum position
CH650B W&B Question. On the W&B calc sheet, a note puts the Datum line at Station 1790 mm. along the leading edge of the wings. To my knowledge, Station line 0 should be the aircraft centre line. Or should I measure this from the side of the fuse? Ideas?
Comment
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Comment by Alain Dufresne on March 31, 2020 at 10:04pm
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Thanks Ron. Yes - now I see the stations on the drawing. Nose Rib 1 is at Station 190 so 1790 bring me just outside (20mm) of NR 5 located at Station 1770. Rheal - you have std tanks so for you it will be 300mm past NR4. So wing station has nothing to do with AC centerline.
Thanks Ron for the help.
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Comment by Ronald Kline on March 31, 2020 at 8:14pm
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I have a 601 XL my weight and balance form says station 1790 is on nose rib no. 4 Drawing 6-W-3 shows the wing stations. Hope this helps
Ron
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Hi Ronald - The Datum is on the leading edge we all agree. The position is 1790 mm. But measured from where? The side of the fuselage or the aircraft centerline?
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Comment by Rheal Comte on March 31, 2020 at 6:40pm
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Ronald you are not addressing the question. Is the reference point from the fuse? If from the center line it becomes offset by 22 in.
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You need to use the datum that is given to measure from. Other wise the arm that is given for fuel seats and baggage will not be correct.
Ron
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