Busting the needle
Today I took a break from programming ForeFlight Desktop 2.0 to get some time aloft. I went out with no plan (after checking for TFRs, of course). I preflighted and hopped in. I flooded the engine at start, but once she belched out the excess gas she ran just fine. I had to clear the right mag again, but that was easy enough. I practiced a new taxi leaning technique I read in a magazine recently: lean at 1500 RPM until the engine starts to sputter, then richen it just enough to smooth it out. That's it. It has two benefits - 1) you save gas/plugs 2) if you forget to go full rich on takeoff the engine will tell you immediately as you throttle up by threatening to cut off. I took off and did a few figure 8s over my house and office - simple goofing off. I put some positive Gs in and a few negatives. I kept hearing this sound like the stall horn coming on momentarily. Eventually I realized it was the tachometer freaking out and making the high pitch grinding sound we noti...