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
Build Your Skills: Composites (Part 7)
Author Bob Fritz explains how to set up a vacuum-bagging operation in your home shop, using readily available equipment and supplies, which will get you great results on small- to medium-size parts. The object is to mechanically squeeze out excess epoxy for a good-ratio part with maximum weight savings and strength.
Light Stuff
Heres one instance where the sound of silence (as in no engine noise) wont signal the need to start scoping out a place to set down. The Urban Air motorglider offers a compromise that makes the best of both worlds: fuel-efficient powered cruising and exciting powered-off soaring.
