Promoting the safe enjoyment of aviation for pilots, aircraft builders and enthusiasts.
Last week, a two-year recertification of an RV-7A's pitot and static systems revealed major leaks, particularly in the autopilot control head. The system's complexity led to numerous potential leak points. Recommendations include simplifying systems, using appropriate fittings, and adding service ports to facilitate easier maintenance and reduce certification costs.
The article discusses replacing O-rings in Zenair CH250 aircraft brake cylinders to eliminate oil leaks. It explains differences between aircraft and car brakes, outlines necessary repairs, and details the replacement process, including parts sourcing and bleeding techniques. The author emphasizes the importance of cleanliness and the specific tools required for the job.
Calgary Recreational Flying Club YYC 