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| These first few frames show parts of the inside out engine that I designed for a submersible. This project is on hold these days. Many years back I was fortunate enough to work for a company that had contacts with an engineering firm that specialized in fluid dynamics. I shared my design with some of their engineers and they voulenteered a few hundred hours of late night computational time on their fluid analysis software with my first proto-type. They were able to give me lots of constructive input and help streamline the laminar flow while compressing the renoylds layer. I'd love to give them credit here, but as this was done on their companies equipment and it was not billable time it would be best not to. The out come of this work is the change in the actual profile, mounting and angle of attack between the first screw (third one pictured) and the other two (light grey fins). | |
 Cut Away View: |  2'nd View: |
| Some times it's just not enough to build a CAD model. The components in the picture below show some of parts fabricated to test out the electircal design of my inside out multi-pole motor. One of the principle concepts is the idea that no moving/spinning shafts should have to go through a water pressure fitting. | |
 Prototype Components: |  Early Design: |
| Even trying to seal off static joints on a 4" diameter tube at depth, counter acting the force applied at depth is a formidable task. The simple answer is to use O-Rings. Another alternative that I've worked with through a previous employer are permanantly deformed copper seals. In working on a deep diving project subcontracted to the Canadian Coast Gaurd, copper bushings were installed, much like the head liner on a car engine and then deformed in place by an appropriate dispursal of force through multiple SHCS's. The parts modeled here are designed to seal under pressure in this manner. One key advantage of this system for static joints is the reduced requirement for high surface finish that is required with standard O-Rings. | |
   
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