Um, not it is connected. I extruded it. It may be a bit hard to tell from the model. And how do I clean up messy vertices?
Response to not really Kyzor: We've had a conversation on Steam. It's not your style I dislike, it's the size. You could keep it in your style without making it so large. And I told you precisely what I didn't like about it (propeller size), surely from that you could tell how to fix it? It wasn't a really harsh way, either, in my opinion. I wasn't trying to be mean. I didn't realize you were so sensitive. Now I know, so I'll be sure to word it ultra politely in the future.
I wasn't ragging on it. I was telling you how to fix it.
EDIT: If anyone else thinks I was being rude, please tell me. I didn't really think I was, but if anyone else did, I'll be more polite in the future.