Propeller Off

Having extended the time between overhaul of the propeller by operating on condition, it now seemed prudent to have the prop off and sent to a repair shop for a thorough inspection. The Bölkow 207 is normally fitted with a steel hub Hartzell constant speed prop. The fact that this steel hub model is the only Hartzell prop specified by the airworthiness authority that may be fitted to the 207, is about to cause me a few problems.

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