Fenrir Flight 18

Taylor, Brian
2015-05-21
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Fenrir Flight 18

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2015-05-21

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C.G. for balanced nose low at 23.25 inches aft of the nose. There were pitch excitations on L1/R1, L3/R3, and L4/R4. Pilot input is blended on L2/R2 (anti-symmetric) L3/R4 (symmetric) and L4/R4 (elevon). The pitch damper was running with a gain of 0.2 on L3/R3 only. There were 3 excitations on L3/R3, 2 excitations on L4/R4, and 1 excitation on L1/R1. There should have been two of each, but it looks like the pilot accidentally disengaged and re-engaged the excitations which cycled the ordering. There is quite a lot of pitch rate response to each excitation. The pitch damper was very active during the flight. The pilot was mostly out of the loop during the excitations; although, there are sections, especially early in the excitation, where he is active. No relationship was noticed between pitch rate and airspeed.

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Taylor, Brian. (2015). Fenrir Flight 18. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/172538.

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