I started to build a "Rhine Tug" it's a pusher called the Egrete, from a set of plans that I bought. Selected it because it had some neat challenges. 1st was making the telescoping wheelhouse so that the pilot can see over 2 containers stacked on top of each other. The second was designing/building a KORT SCHOTTEL drive unit.

The reason I am starting this blog is to see if any others have build their own Kort drive units. Size wise, I am using a 2" dia. nozzle with a 1.75" propeller. I have the gearing/motor/rudder all worked out and operating, what I don't have is a good method for securing the back end of the propeller shaft to the nozzle. I am looking for suggestions on how to make an assembly that can be assembled/disassembled.

The attached photos are version 1 & 2 of what I tried, and a photo of the entire assembly.

Thanks in advance for helping. Jeff

Just realized that the version 1 & 2 pictures did not upload, so here they are.