I've seen on at least one RV, a NACA duct where the ramp of the duct pivoted outward on a screw to close the duct. In the end it was flush with the surrounding panel. Google searches have not turned up any results. Can anyone point me in the direction?
The RV4 that I purchased has ducts like you describe on the right side of the canopy. The plastic screw is broken on one and I would like to know if a replacement is available.
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John Morgensen
RV-9A N946PM 600+ hours since 2013
Nevada/Arizona
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RV-9A (empennage completed, both wings completed, fuselage and finish kit completed, engine hung, working on panel and wiring)
N677AT reserved
Superior XP O-320, 160HP
Picture log: http://s271.photobucket.com/albums/j...8tor215/RV-9A/
Closing NACA duct
Linear Mode
