by Joe Godfrey | Jan 9, 2021 | SavvyAnalysis Puzzlers
This is part two of an article about sticky valves. Part one is here. The cliffhanger was a Cessna 182 with a wobbly trace in EGT 4 for the first 14 mins of ground ops. Your homework was to decide if it was a sticky valve or something else. Here’s the whole...
by Joe Godfrey | Dec 6, 2020 | SavvyAnalysis Puzzlers
It has been a while since we took a look at sticky valves. I’m not going to write about why valves stick and how to keep it from happening, although I have a great resource for that. Earlier this year Mike Busch wrote an article for AOPA Pilot called Why Valves...
by Joe Godfrey | Nov 13, 2020 | SavvyAnalysis Puzzlers
Recently a client submitted engine data with an erratic EGT trace. It always makes sense to check the connection first, but in this case it looked like a failing probe. When we reported this, he said that he suspected it failed because he hadn’t been flying much...
by Joe Godfrey | Oct 16, 2020 | SavvyAnalysis Puzzlers
I live in California. I moved here from Chicago in 1983. It’s probably safe to say that Californians think about earthquakes every day. Most days it’s a fleeting thought then you go about your life. But when you feel a rumble it becomes top of mind again....
by Joe Godfrey | Sep 19, 2020 | SavvyAnalysis Puzzlers
I’ll go out on a limb and say that priming the engine is not a precise science. Every POH has instructions, but experience often suggests that some engines like a little more and some a little less. What happens to the excess fuel if the pilot over-primes?...