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kolibri282;n1125915 said:
After almost 20 years with a one off design I wonder whether it might be a good idea to perform some dye penetration testing in critical areas for cracks. Just a thought....
Hals- und Beinbruch, Vance!
Good thought Juergen!
The Sport Copter rotor assembly was purchased in 2009 and has about 1,400 hours on it. The teeter bearings and most of the hardware is new.
I have the body off now; looking for cracks in the frame and inspect the flight critical parts before each flight.
We have repaired cracks in the frame many times and strengthened it where needed. None of the repairs have had to be redone.
We just redid the rudder pedals for the rear cockpit.
We have rebuilt the rotor control system twice.
We have rebuilt the nose gear three times.
I have patched the wiring many times.
I am constantly battling corrosion.
The fiberglass on the rear body section was just redone.
The windshield is about two years old.
The transponder was replaced last year.
The intercom was replaced two years ago.
The fabric has been redone twice.
She just got new rudder cables for the second time.
Her rebuild in ongoing.
Her engine is still showing good compression.
The magnetos were rebuilt about 200 hours ago.
She gets 100 hours services by an experienced Airframe and Powerplant mechanic with inspection authority (A&P with IA).