I could not open the cad files. I am curious who could open the
drawings, which drawings and what software they used. I really would
like to be able to modify and reply.
    This brings up a second point. Ownership of the drawing was not
specified, should we assume when not specified that it is public domain?
Also although unbuildable as drawn there was no disclaimer. Has any one
came up with a short text file that could be used for this.

    Back to the subject;
    I was not sure if this is a round engine or a long flat affair. if
it is round I would suggest a technique for an experimental approach.
Build a H2O2 gas generator with a flange on it's exhaust. Bolt on what
ever nozzles you want to test to this flange. This way you could get the
cat pack working as a separate issue. Also you could avoid having to
redo the details of this part every time you switch nozzels. Perhaps
since you would now have a standard flange on the nozzle side (to match
the gas generator flange) it would be wise to make a jig for a machine
tool (lathe if it is round) to cut setup costs in manufacturing. Having
the flange as a reference point would allow you to cut and paste "G"
code to give any fancy shape you might come up with in the nozzle.

--
>>>>>>>>>>>>>>>>----<<<<<<<<<<<<<<<<<
........ Alex Fraser  N3DER .........
......... [EMAIL PROTECTED] .......
[~]_>^</\-[~]_>^</\-[~]_>^</\-[~]_>^<


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