PIO ! ( pilot induced oscillation )

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rv7charlie

Well-Known Member
Joined
Nov 17, 2014
Messages
1,391
Location
Jackson
Hey SB100, on that wing-fuselage trailing edge issue, I'd forgotten that the CAFE Foundation talked about it in one of their reports. If the following link doesn't work, just google 'cafe foundation', then on their website, click the 'research' tab, 'CAFE Reports', 'Local Flow III'.
https://cafe.foundation/v2/pdf_cafe_reports/localflow3.pdf

I learned a lot about practical aero, in more layman's terms, by digging around in the CAFE site.

Charlie
 
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Aesquire

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Joined
Jul 28, 2014
Messages
2,641
Location
Rochester, NY, USA
Venture's landing gear issues were not so much how narrow, but the sag in each main gear leg being unequal, and that did get a fix, but not until the end of production, iirc.
 

rv7charlie

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Joined
Nov 17, 2014
Messages
1,391
Location
Jackson
Yes, the story I got from an owner was that the spring rate in the main gear was miscalculated and the early planes tended to 'waddle' on the runway. Supposedly cured with higher rate springs.
 
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