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Overview

The finocyl grain is the lowest grain in the Hermes 2 Motor.

Manufacturing

This grain will require slightly modified casting hardware. The mandrel will be a foam core as demonstrated in the Monolithic Grain Test. For additional rigidity, and to reduce the amount of foam dissolved, a central support will be included. This might be PVC or aluminum tube.

The .dxf of the mandrel is here. 2 of these need to be foam cut. a minimum of 20 inches long. This has been converted to a .dat file here.

The foam cutter will follow the following path:

The following .dxfs are for the casting hardware. They should be waterjet from 1/8in aluminum sheet.

Top Plate : Finocyl Casting Top.DXF

Finocyl Plate : Finocyl Casting Plate.DXF

Base Plate : Finocyl Casting Base.DXF

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