ISO - someone to build a custom sterling engine

[Spidermangod]

I'm in search of someone that could build me a custom axial 16 cylinder sterling engine.
Basically I want someone to copy the desktop axial 16 cylinder sterling engines but with few modifications.
1 - Make it bigger.
2 - Make it have a double sided center shaft (shaft/axle coming out of both sides of the engine) instead of a single sided center shaft (where the propeller is mounted). Currently thinking the center shaft on the hot side should be splined for attaching an additional tool and or implement but open to suggestions of other options.
3 - change the standard propeller style fan blade on the cold side to a tubular style.
4 - Exclude the heat source design from the build.
5 - add a steel cone to the heat side of the motor that slopes from the pistons towards the hot end of the center shaft.
6 - add heat sink fins from the cold end to the hot end.
7 - possible other modifications based on the builders suggestions.

I'd build this myself but I lack the proper tools and some of the knowledge to build it, hence why I'm here looking for someone with the proper tools and knowledge to build it.

Any help in finding someone who can help is greatly appreciated.

If I have made a mistake in posting this as its own thread or subject of discussion of sorts, please let me know where best to post this and I will move it there.
Thank you.

[Fool]

No promises.

How much are you willing to spend for that emgine?