Whatever you choose, place a strobe in a position where it flashes towards the rear so that overtaking airplanes can more easily see you. I've flown...
Where is the grease coming from? Has it been over greased getting into the electric motor? Perhaps it just needs a good internal cleaning. Grease and...
I would say that with all that cutting and fitting to end up with that small amount of remainder, you did very well. You could likely get the pieces...