The triple probe on the Stemme extends to about 3 feet in front of the
nose. That should be in pretty much undisturbed air.

On 9/26/2016 12:20 PM, Tango Eight wrote:
On Monday, September 26, 2016 at 1:05:36 PM UTC-4, wrote:
Mechanical varios don't play well with modern pressure transducer type varios and should not share TE sources with them.

Evan Ludeman / T8
A practice many seem to ignore. Do you think there is any advantage to using a fin mounted Prandtl tube versus fuselage pitot/static ports? Do you prefer mechanical or electronic TE? How do you "plumb" your CNvXC and B400?
CNv works great on electronic compensation *provided* the pitot/static system is essentially perfect. The only practical, reliable way to get that is with a triple probe set up on the fin. Don't share the static with mechanical instruments.

I have a triple probe set up plus fuselage static ports.

I plumb all three triple probe sources to CNv, the TE also goes to B400. ASI uses triple probe pitot and fuselage static. CNv works well on the probe (an old venturi style probe) but even better on the pitot/static.

best,
Evan

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Dan, 5J