Viewport Retaining Rings

Viewport retaining rings 70.35 Kb	Rough cutting 71.05 Kb	Finished rough-cutting 72.79 Kb	Drilling the center hole 70.77 Kb
The hole is now drilled. 67.41 Kb	Is that a nice cut or what? 72.06 Kb	The rough-cut ring 73.43 Kb	Machining one face of the ring. 73.28 Kb
A nice shiny viewport retaining ring. 63.50 Kb	Here I'm having the computer and stepper motor cut the interior hole. 67.62 Kb	Here's the difference between a human cut versus a machine cut 74.59 Kb	Next step was to transfer the bolt holes on the sub to the viewport rings. 33.02 Kb
Here is the outline of the viewport frame as well 33.64 Kb	Transferring the paper markings to the viewport ring. 42.29 Kb	Drilling the holes in the viewport ring. 73.99 Kb	And one ring in place! 65.32 Kb
And another. 61.62 Kb	The same procedure was used for the front viewport ring as well. 64.19 Kb