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
Grinvalds Orion
Jean Grinvalds’ plansbuilt four-seat pusher design was ahead of its time, predating the Bede BD-5, VariEze, Prescott Pusher and Cirrus VK-30. By Geoff Jones.
Archive: October 1999
Mike Arnold’s hyper efficient AR-5 was on our October 1999 cover with a report...
Ask the DAR
Overweight LSA, paperwork confusion for a DAR inspection, converting an SLSA to an ELSA.
Nuts and Bolts
Aircraft quality nuts, bolts, washers and other hardware are the right things to use if they hold the things together that keep you in the air.