Hello,
Fantastic build you have going here! Great combination!
I am a good friend of Mario Seidels and Gotz V.
Just spoke with Mario last weekend and he is not planning the reduction for any other Mokis right now as he is consumed with testing the current unit. He has thought about building one around the 180 as there was some interest over on his side of the pond, but I dont think this will happen anytime soon.
He and I had to laugh one day when we thought about the prop size this 300 would spin with a reduction.
You should check out his web page to see his scale props he can build for the Cat, if you haven't already...
...any how, glad to find your build, I will be very interested to see this bad boy go!
John