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Simulator and Flight Tests of a Side Force Control System in the A-9A Airplane
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English
Abstract
A new control system, Side Force Control (SFC), has been developed to give aircraft a bombing and strafing accuracy unobtainable with conventional aileron control techniques.
Large gains in accuracy through SFC have been detected through moving-base simulator tests of weapon delivery. “Iron sight” accuracy has also increased with SFC.
SFC involves making aiming corrections in azimuth by turning with wings level. It eliminates the need (of conventional aileron control) for rolling prior to weapon release. Though the SFC turn rate is insufficient for the major maneuvers of initial roll-in from level flight or gross roll-out at diving altitude, it is more than sufficient for small heading change needs of the last seconds before release.
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Authors
Citation
Wheldon, W., "Simulator and Flight Tests of a Side Force Control System in the A-9A Airplane," SAE Technical Paper 740889, 1974, https://doi.org/10.4271/740889.Also In
References
- Hall Warren G. “A Flight Investigation of Direct Side Force Control.” AIAA Paper No. 72-94 January 1972
- Hall Warren G. “Precision Weapons Delivery Study - Northrop Configuration Results.” CAL Report No. AK-5050-F-2
- Van Norman Charles et. al “A-9A Prototype Performance and Flying Qualities Evaluation.” AFFTC Technical Report No. 73-10 March 1973
- Lucero Frank N. et. al “Air Force Flight Evaluation (Systems) of the A-9A Prototype Aircraft.” AFFTC Technical Report No. 73-2 March 1973