I now need to create a fillet on the rear centering ring. This was particularly difficult to do because the Motor Mount tube is in the way. I could have done a simple dump of 24-Hour Epoxy and created a circular ring of epoxy. This would have looked aesthetically pleasing, but would be excessive amount of weight. So I decided to got for 105/206/403 mix and use my finger to try and create a fillet (inner and outer). Unfortunately it wasn’t terribly even/pretty, but it certainly adds strength to the join. Below are some pictures of the work.

 

 

Used my pinky finger to create the fillets  on Motor mount and air-frame. It wasn’t perfect or pretty, but it will be strong.