REFLECTOR:Static Port

[KeithHallsten]

Raising a bump BEHIND the static port(s) will raise the static pressure and
lower your indicated airspeed.  However, raising a bump AHEAD of the port(s)
will have the opposite effect.

Keith


----- Original Message ----- 
From: "Scott Derrick" <scott@tnstaafl.net>
To: <reflector@tvbf.org>
Sent: Friday, July 04, 2003 1:12 PM
Subject: Re: REFLECTOR:Static Port


> Ok, let me get this straight...
>
> Raising the bump will raise the static pressure thus lowering your
> indicated airspeed?
>
> Lowering the bump will lower the static pressure thus raising your
> indicated airspeed?
>
> Scott
>
>
> Wayne Owens wrote:
> > Applying a layer of duct tape over the bump should make it read higher.
> > Sanding it off about 0.015 inch at a time should lower your indicated
> > airspeed.
> > Wayne
> > ----- Original Message ----- 
> > From: "Scott Derrick" <scott@tnstaafl.net>
> > To: <reflector@tvbf.org>
> > Sent: Thursday, July 03, 2003 10:25 PM
> > Subject: REFLECTOR:Static Port
> >
> >
> >
> >>In this months Sport Aviation there is an article on how to calibrate
> >>your airspeed indicator.  The article mentions that the most often
> >>problem with incorrect airspeed indicators is the static port not
> >>providing a true static pressure.
> >>
> >>I'm sure mine is off at cruise speeds. I think it reads a lower pressure
> >>than it should thus causing the airspeed indicator to register a higher
> >>indicated speed than it should.
> >>
> >>I have the standard 3 tiny holes in a vertical pattern  with a small
> >>aluminum block in front of the holes.   This is located about 10 inches
> >>below the pilot side elevator on the fuselage.
> >>
> >>Any body else determine theirs was not optimal?  Any easy fixes?
> >>
> >>Scott
> >>
> >>
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