My experience was good. But it was just a 100 dollar prop.
I did have a concern related to the prop issue. And tbm/biela offered to replace it.
Bill is the guy I deal with. They all are busy. I think they forget to be honest. A post here and it gets attention. Still a year (back to original post sub is way too long! Period!
i am or was seriously considering an esm p51. This is the source of my hesitation