| Date: |
10-31-2013 |
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| Number of Hours: |
1.20 |
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| Brief Description: |
Pitot/AOA Probe Plumbing |
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Cut the 3/16" dia. Pitot and AOA aluminum tubes coming out of the Dynon AOA/Pitot Probe to about 7 inches in length to fit inside the wing. Practised flaring the tubes using the ROLO-FLAIR 37-degree flaring tool on scrap 3/16" aluminum tubes. Installed AN fittings and final-flared AOA/Pitot tubing. Carefully taped fittings, heating system wiring, and probe, and primed the two 3/16" tubes to prevent corrosion of the aluminum. Installed the remaining AN and NPT fittings and adaptors from SafeAir1 to torque values and placed a dab of yellow Torque Seal. Pitot Tube fittings are torque-sealed at 60 in-Lb. The four oval head phillips machine screws that will hold the Pitot/AOA Probe to the Gretz Aero mast mount have the following specifications: Screw size: M5-.80x#10 Purchased and available at Lowe's. SKU: 008236711431 *UPDATE* Dynon released a Technical Service Bulletin on May 6, 2014 (Revised Oct. 10, 2014) regarding a degraded airspeed indications while the heated probe was in operation. Dynon determined a total recall for affected heated probes, which were sold before October 2014, and/or have serial numbers lower than S/N 6000. This SB was complied with a new Heated Pitot/AOA Probe sent from Dynon on Jan. 02, 2015. Entries for new probe logged. |
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