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Where, not how, is VNE calculated. Does VNE go up with altitude?

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Faralon

Member
Joined
Oct 25, 2010
Messages
6
Location
Maryland
Example 1: Zenith Cruzer | VNE: 145mph.

Example 2: Viking Aircraft's Zenith "Super Cruzer": I just watched a video of it doing 180+ mph, you can see it on their YouTube page, filmed in November 2016.

Yes I know the Viking Cruzer has wings that are blended more aerodynamically to the fuselage/canopy than the factory Zenith as well as most of the control arms for the flaps have been moved inside the wing creating a slicker airframe.

However, the filming is taking place at 10,500ft. Would you be able to take the VNE of the factory Cruzer higher than listed (and still fly safely) at higher altitude?

I can't imagine VNE is calculated at ground level. These are, after all, AIRplanes. So how, or where, is the number calculated, and can you fly that aircraft (SAFELY) above the VNE at higher altitudes?

Not that I intend to do this, its just a curious question.
 
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