There are airbag size traders sold by other companies that I believe deleted the notification aspect. I bought one and haven't put it into play. I'll check for info and post more soonish.
Just as a point on wires, when I was first starting out I stress tested house drops a little too much, started a small attic fire. Fortunately got it out and sorted.
I frequently have that type of issue. Seems like slightly dull chain and not perfectly symmetrical hand sharpening in my case. (Almost always some rain splashed up dirt on my stumps near the bottom.)
Backchaining seems to be a tolerable work around to get through one tree or job. Then I try...
That reminds me of one high end vineyardist client I had. He had a well drilled to get more water to pump out to his vines. He asked the crew to not smoke on his property as it was a dry time of year and dry area in general. While drilling they hit a pocket of gas...at which point one of the...
Cigarette butt and consistent wind making it glow cherry red, I could see that after watching a couple of videos of guys using blowers to amp up the lighting of a brush pile.
I have only used my new 220X one time and didn't perceive longer run time or more power delivery compared to 200X. But the release snaps definitely are easier to grab with a gloved hand. Maybe deeper well indention for glove to push into as well as more prominent ridge to depress.
Oh, by the way, that 60's model powersharp may have been an earlier rendition that failed to catch on. The chain was different. I bought an old Poulan powered one time that came set up that way from the factory.