Exhaust cracks can be insidious, although sometimes they leave a gray-looking residue. Use a bright flashlight and inspect them every time the cowling is off.
In Case You Missed it
Alternative Energies
Electric motorgliders are leading the way in low-cost, fuel-efficient flight. In the second installment of his two-part series, Dean Sigler profiles seven designs at the forefront of this emerging field.
Finding the Perfect Project
The information in our Buyer's Guide is just the start. Here are some additional insights to help you make the right decision.