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Old October 9th 19, 04:01 AM posted to rec.aviation.soaring
Tango Eight
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Default Replace air lines in Discus tail fin?

On Tuesday, October 8, 2019 at 3:11:47 PM UTC-4, Paul wrote:
I'd like to put a TE probe in an unused tail fin pitot socket, but the 30 year old hose leaks. There doesn't appear to be access from the top, with the horizontal stabilizer removed. Does anybody know if the lines can be accessed with the rudder removed?

Plan B is to mount it in the turtle deck, which is easy peasy, but has the slight downside of adding another hole to the ship.


Probe will be unusable on the turtle deck. It'll be in the low pressure area over the wing and you'll see significant vario excursions due to varying load factor. The second best location for a TE probe (after the top of the vertical fin, where most go) is the middle of the tail boom... but the fin mount is better (further out of the wing wake).

best,
T8