I don't know what that ring is for and would take it off. The only adjustment I know of is that the pitot tube should be 3 7/8" from the bottom of the wing. They have a tendency to get bent and that will throw off the airspeed.
Kevin1 --- In [email protected], "Mitchell Williams" <[EMAIL PROTECTED]> wrote: > > > Our Ercoupe has a ring connected to the pitot tube between the total > pressure pickup and the static holes. I assume this can be adjusted, > move fore and aft to calibrate the airspeed. > > I uploaded to picture to the photo section in 99325>Pitot. > > Is this correct and should we adjust on it or remove it. > > I will first check the static and pitot system for leaks. > > Mitch > n99325 >
