REFLECTOR: Failed RSA Bendix Fuel Servo

[Ron Brown]

As I mentioned last week, the new owner of my Velocity had the engine go real quiet while at 10,500 feet and 28 miles east of Birmingham, Alabama while he was flying back home to Texas.

He declared an emergency and got vectors to land at Birmingham International.  When he got within the vicinity of the airport he had too much altitude (GREAT gliders those Velocities!!!).  He made a safe landing and was greeted by a host of emergency vehicles.

His mechanic determined that the Bendix fuel servo was not delivering fuel.  He pulled it off and shipped it to Airflow Performance.  Don and Kyle determined that the nut holding the diaphragm had fallen off.  They checked the torque of the nut and found it was only 1 in oz which probably led to it falling off after 370 hours of operation.

Don said he had never seen this happen before.  He guessed that who ever had rebuilt the fuel servo had reused this nut and should have replaced it with a new one.

Luckily, the new buyer used his emergency training very well and my dearly departed Velocity is still in great shape and will soon be flying again.  And he will be flying with a newly overhauled fuel servo built by Airflow Performance (the folks that know what they are doing!!!! - and highly recommended by me!)

Ronnie Brown  
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