Those little “cracks” are actually channels for the oil to travel through as it lubricates the cylinder walls.
Opinion
Ditching depended on design
War-time pilots were told ditching a B-17, P-51, B-24 and other warbirds was a “last resort.”
MOSAIC makes me happy
I’m a huge fan of the loosening up of restrictions on pilots when done wisely, with solid data to base changes on, and with reasonable oversight. MOSAIC looks to be doing just that.
A warning from the past for unleaded avgas
Oil refineries add 0.5 grams of Tetraethyllead (TEL) per gallon to 80/87 fuel. But why?
Questions From The Cockpit: The top 10 causes of GA accidents
The list of the top 10 causes of GA accidents is shocking in that all of the items are basic pilot skills. Shouldn’t anyone with a pilot certificate have a handle on all of these?
It’s a bird. It’s a plane. It’s a problem.
While birds are fascinating to watch, they can be a big problem for pilots and aircraft owners.
Human Factors: A pilot’s last words
What can we learn from a sightseeing flight that proved fatal for a young pilot and his girlfriend’s brother?
Our heroes affect us
Having the pleasure of meeting one’s heroes…well that’s a special thing. As is the aviation game which Richard Bach so meaningfully encouraged me to pursue — even if he had no idea he’d done so.
Why is my engine backfiring?
Question for Paul McBride, the General Aviation News engines expert: I have an engine that will backfire between idle and 1200 rpm. It runs great after that with plenty of power.