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ASW-19 Moment Arms
I would like to be able to calculate the actual CG position for my
ASW-19B, in addition to using Schleicher's cockpit load CG check. I found some data in the AS Airworthiness Test Report and more in the FAA Type Certificate Data Sheet, but 3 items are still unknown. Schleicher does not give any moment arm data in the Flight Manual, nor did they respond when I wrote to them. These is the moment arm data as I know it: 1. Main wheel to tail wheel = +4115 mm (162 inches; a/w test) 2. Datum point to main wheel = +139 mm (5.5 inches; a/w test) 3. Datum point to lead ballast bolt = ? 4. Datum point to instrument panel face = ? 5. Datum point to pilot's seat = -559 mm (-22 inches; type cert) 6. Datum point to baggage area = +152 mm (+6 inches; type cert) 7. Datum point to water bag CG = ? Can any RAS reader help me with the 3 unknown data points? Thanks in advance! -John P.S. - I know I can measure the 3 moment arms (or I could calculate them using a loading and weighting procedure). I'm just hoping someone can save me some work... |
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