Almost all rubber hoses have a shelf life. Most are around eight years. The symptoms were fluctuating manifold pressure readings, and the hose completely crumbled when grabbed.
In Case You Missed It
Ask the DAR
Periodic inspections are a necessary part of homebuilt aircraft ownership. Mel Asberry explains which ones are needed and how they differ from the certificated aircraft variety.
Wind Tunnel
Nine simple rules, distilled from years of experience (making—and fixing—assorted mistakes), can help any aircraft designer avoid disaster.