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Static problems
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sam(at)fr8dog.net
Guest

Posted: Tue Jun 26, 2007 3:43 pm Post subject: Static problems

It jumps 20 + knots when disconnected! I watched the pitot test, he put a reference speed of 150kts in the test box, and my airspeed indicated 148kts. I don't understand what's happening here, but not giving up yet. Thanks for the response!

 

 Dave Saylor wrote: [quote]         Sam,

    

   When we get static checks, they only test the pitot system if we ask.  Even then it's an "information only" type check, no certification.  There's no requirement for a pitot check in 91.411/413, so having the static system IFR certified could still leave you with a pitot problem.

    

   If you are looking for a pitot leak, remember that it won't show up as a low airspeed indication with the test I suggested.  Airspeed will go to whatever you put in, then bleed off.  If the leak is pretty big, you might not see any indication at all, but since you are getting something close at lower speeds, I doubt you have a huge leak.

    

   The fact that two instruments agree pretty well rules out instrument error but not a leak common to both.

    

   What happens when you open the alternate static port?

    

      Dave Saylor

   AirCrafters LLC

   140 Aviation Way

   Watsonville, CA 

   831-722-9141

   831-750-0284 CL

   www.AirCraftersLLC.com

   

   

   

      From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Sam Marlow

   Sent: Monday, June 25, 2007 9:02 PM

   To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)

   Subject: Re: Static problems

   

   

   I just had a static check by an avionics shop, no leaks, IFR certified. I'm baffled.

       	  Quote: 	
		   

	
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