Chapter 8 isn't necessarily the longest chapter, but it covered what had to be covered. That's one of the things about breaking a story into pieces. Not all the pieces break into the same size.
In many ways, the same could be said of pretzels and potato chips. I suppose I could come up with something philosophical about that. I'll have to think on that tonight, maybe with a beer, and some pretzels and potato chips.
On the story front, I am now into the low 30s on the chapter count, and I don't think I am at the halfway mark yet. I can definitely see being able to continue publishing up to about chapter 20, and then taking a break. With luck it won't be a long break, but I will want to get ahead of myself.
In the meantime, enjoy!