That would certainly be possible. To test them would be a bit of a pain. The rudder would have to come off. I am guessing that maybe you could then blow through the tubes to see if you can notice any resistance compared with a similar length of the same size tube. Hmmm...
regards Rob Rob Thompson 0429 493 828 On Sat, Aug 26, 2023 at 8:32 AM Kristin Nowell <kristinnow...@gmail.com> wrote: > In w.n. 3506 the pneumatic lines are run through the stringer tunnels in > the formers in the empennage. peering back I can see many opportunities > for one of the lines to get pinched. > > On Fri, Aug 25, 2023 at 2:49 AM Rob Thompson <amessageto...@gmail.com> > wrote: > >> One line is to the static in the side of the pitot for the ASI and >> Altimeter and the other to the total energy probe for the vario. The other >> line off the vario goes to the bottle. >> The vario already has a callibrated internal orifice. >> I don't recall ever seeing any restrictors in any of these lines. I >> imagine a restrictor would dampen an instrument but also result in more >> lag. >> regards >> Rob >> >> Rob Thompson >> 0429 493 828 >> >> >> >> On Fri, Aug 25, 2023 at 2:59 PM Ric Sutton <ricinthel...@outlook.com> >> wrote: >> >>> afternoon all >>> i had my altimeter out for repair recently and i thought while i was at >>> it i would get the vario zeroed at the same time (it has always read about >>> three quarters of a knot in lift even sitting in the hanger) i had a >>> friend reinstall the vario. however i noted that the vario was a bit >>> 'laggy'. on inspection i noted that my friend had connected the static that >>> was on the altimeter to the vario. when i reconnected the other static line >>> to the vario it appeared to function the way i remembered it. >>> does anyone know if there is a fixed orifice (restriction) in one of >>> these static lines or do i need to investigate further for wasp nests etc. >>> And further to, if one line is supposed to have a restriction in it, which >>> instrument does it go to. >>> thoughts? tips? suggestions? >>> keep well, play well, stay safe and be nice. >>> >>>
