The one significant thing in this thread is that no one has altered the
drawing and reposted it. I tried but could not open it in 4.1 Turbocad or in
Autocad R14. I think we will really be in the groove when we work out all
the (or enough of) the file exchange problems to exchange drawings freely.
Is this simple but elegant drawing a list first? I mean the first CAD
file.
David Masten wrote:
> Okay summary of my thoughts from this thread for today:
>
> 1. I own the rights - if you can do anything worthwhile with it feel
> free, let me know, give credit. Honestly, I'm not sure the drawing is
> even worth the disk space and bandwidth on my web server.
>
> 2. If you can actually build this thing, I am NOT responsible for your
> stupidity when it blows up or you otherwise hurt yourself, but I'll
> gladly accept credit for your genius when it works :-). There is
> publically accessible information that is far better for design of a
> rocket nozzle than this.
>
> 3. Sorry, I am at work right now so I can't just whip out arbitrary file
> formats, nor am I inclined to put in a whole lot of effort to do so. I
> strongly suggest getting a newer editor. TurboCAD v8.2 (the official CAD
> of the ERPS!) is only $99, gcad is free, as in both beer and speech, and
> there are others available.
>
> 4. There is no point 4.
>
> 5. (this point left intentionally blank - IBM)
>
> 6. How worthwhile it is to optimize an engine for Spike depends on how
> well you can characterize the performance and see differences in the
> flight regime we intend. The closer to theoretical we can get, the
> easier it will be to see the differences through the different regimes.
> Then again if we can't fab it we'll never know, sigh ....
>
> Dave
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