REFLECTOR: TAS calibration?
Kurt Winker
nmflyer1 at aol.com
Sun Sep 29 10:43:28 CDT 2013
Sounds like a trip-strip may be in order.
Kurt
Sent from my iPhone
> On Sep 29, 2013, at 6:47, Scott Baker <scottb33333 at gmail.com> wrote:
>
> I would assume that you are factoring altitude and temperature when calculating TAS. If so, airspeed error might be related to a pressurization of the static system (a common problem in Velocity aircraft that have their static port located forward of the entry door).
>
> Scott Baker
>
>> On Sep 28, 2013, at 8:29 PM, Geoff Gerhardt <geoff.gerhardt at gmail.com> wrote:
>>
>> Guys,
>>
>> Flying today I realized that my ground speed seems to be always greater than my TAS. I figured at least some of the time it should be less (i.e. into a headwind). But it always seemed to be greater. So, today, I flew in a box, E, W, N, S and recorded my TAS and GS. My TAS was constant at 159ktas on each leg, and my GS (GPS) was 185, 179, 171, 175 for the W, N, E, S legs. If I add all those up and divide by four, I get 177.5kts, yet my TAS registered 158ktas. Am I missing something? Is my airspeed indicator reading too low?
>>
>> Thanks.
>>
>> Geoff
>>
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