Van's RV-7A HB-YMT » static http://www.flyvans.com/wordpress constructing, flying and maintaining an experimental aircraft. Sun, 29 Jan 2012 14:34:34 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Pitot/Static Calibration http://www.flyvans.com/wordpress/index.php/2010/04/pitotstatic-calibration/ http://www.flyvans.com/wordpress/index.php/2010/04/pitotstatic-calibration/#comments Sun, 04 Apr 2010 09:05:46 +0000 Bernhard Daenzer http://www.flyvans.com/wordpress/?p=137 Also last week, Hanna helped to calibrate the pitot static system… First we had to chase a small leak which turned out to be the a NPT thread fitting that wasn’t exactly tight (not the first problem with thread fittings after all ;-) . After sealing this, everything was well within specs (less than 100ft/min altitude loss and less than 10kts/min speed loss). In the end, the speed drop was about 2 knots and the altitude loss 20ft per minute.

We used a calibration kit from the local maintenance provider to check accuracy. Amazingly, the cheap UMA backup instruments proved to be quite accurate.

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