Hi,

I have Hacker A50-16S V2 motor in my Sebart Wind S 50E.

Here is a picture of the motor before I mounted it the model and after, about 1,5 years ago. And some other pictures.
A note also: I just walked to the room where I have the model and grabbed around the spinner/prop and pulled/pushed hard back/forth and it is basically no play at all. If I use much force I can hear a slight klick when I pull/pushback/forth. Just mount the collar onflat spot.
I haveabout 650 flights on my motor.
I use APC Thin Electric 17x10 prop and Castle Creations ICE 100 ESC.
Suggestion: Go over the whole plywood motorbox and apply a little extra glue since it has happened for some users the motorbox got apart, the gluejoints can be little thin.

/Bo